Modular electronic
devices
www.elkoep.com
CONTENT
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 Introduction
 General information
 Practical application of relays
 Relay overview
 Marketing support
 The end of the presentation
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INTRODUCTION
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Company's founding
 1993 – Jiří Konečný – ELKO (natural persona)
 1997 – ELKO EP, s.r.o.
Operating in the market
 More than 80% share of the Czech market
 3rd position in Europe in relays field
 Branch offices – Slovakia, Poland, Hungary, Russia, Romania,
Ukraine, Germany, China, Austria, Spain
 export to more than 60 countries
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Turnover
 > 300 mil. CZK (12 mil. EUR)
 Current-year sales growth 20%
Human resource
 Total number of employees in ELKO EP Group: 226
 Czech Republic: 170
Certification
 ISO 9001, ISO 14001
 CE, CCA, ČSN-EN, Gost, UL
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GENERAL INFORMATION
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Product load (relays contacts) – by type
LOADS
RELAY
CONTACT
16 A
LOADS
RELAY
CONTACT
16 A
LOADS
RELAY
CONTACT
8A
RELAY
CONTACT
MIN LOAD
RELAY
CONTACT
MIN LOAD
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Cross-reference chart – time relays according to the functions,
ranges, outputs
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Cross-reference chart – monitoring relays according to the functions,
controlled ranges, hysteresis
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General technical information of relays
Power supply:
230 – AC 230V / 50-60 Hz
UNI – AC/DC 12-240V (AC 50-60 Hz)
Time ranges:
1s
10s
1min
10min
1h
10h
1day
10days
30 days
100 days
0,1-1s
0,1-1min
1-10min
0,1-1h
1-10h
0,1-1day
1-10days
3-30days
10-100days
1-10s
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Support for projections
Database of the projection programs can be found at www.elkoep.cz/podpora/
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PRACTICAL APPLICATION OF RELAYS
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RELAY OVERVIEW
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Time relays
Installation contactors
Latching (memory) relays
Auxiliary relays
Staircase switches
Time switch clock
Twilight switches
Dimmers
Thermostats
Level monitoring relays
Power supplies
Control and signal devices
Monitoring voltage relays
Monitoring current relays
Power factor monitoring
Thermo-valve
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Time relays
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Single-function time relays – CRM-81J, CRM-83J

Time switch, possible to be used for pump delay after
switching heating off, switching of fans…

Choice of 3 functions: - ZR - Delay ON
- ZN -Delay OFF

- BL - Repeat Cycle (1:1)
Output contact: CRM-81J: 1x changeover 16 A
CRM-83J: 3x changeover 8 A
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Delay OFF without supply voltage – CRM-82TO
 Example of use: back-up source for Delay OFF in case of voltage failure (e.g. emergency
lighting, emergency respirator, or protection of el. controlled doors - in case of fire)
 CRM-82TO 2 time functions adjustable by rotary switch:
- Delayed return after disconnecting of supply
- Delayed start
 Time range (adjustable by rotary switch and fine setting by potentiometer): 0.1 s - 10 min
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Double stage delay unit – SJR-2

For gradual switching of high power (e.g. el. heating), prevents current strokes in the
main

Function: 2x Delay ON (2 time relays in one)

Time scale 0.1s - 10 days divided into 10 time ranges

t1 and t2 are switched on after supply voltage connection

Power supply AC 230V or AC/DC12-240V
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Delay ON star/delta – CRM-2T


It serves for delay ON of motors star/delta
Time t1 (star) – time scale 0.1 s - 100 days divided into 10
time ranges

Time t2 (delay) – time scale 0.1 s - 1 s

Output contact: 2x changeover16A

Power supply:AC230V, AC/DC 12-240V
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Asymmetric cycler - CRM-2H
 Time relay – cycler with independent adjustable switch ON/OFF
Used for:
– regular room ventilation
– cyclic dehumidification
– light control
– circulating pumps
– illuminated advertising
 2 time functions:
1) Cycler beginning with pulse
2) Cycler beginning with pause
 Function choice is done by an external jumper of terminals S-A1
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Multifunction time relay– CRM-61

To be used for electrical appliances, control of lights, heating, motors,
pumps, fans, etc.

6 functions:
- 3 time functions controlled by supply voltage
- 3 time functions controlled by control input

Output contact: 1x changeover 8 A
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Multifunction time relay – CRM-91H, CRM-93H, CRM-9S

Multifunction time relay can be used for electrical appliances, control of
lights, heating, motors, pumps and fans etc.

10 functions: - 5 time functions controlled by supply voltage
- 4 time functions controlled by control input „S“
- 1 function of latching relay

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
CRM-91H, CRM-93H: universal power supply AC/DC 12 – 240 V or
AC 230 V
Output contact: CRM-91H – 1x changeover 16 A
CRM-93H – 3x changeover 8 A
CRM-9S: Universal supply voltage AC 12 - 240 V, absolutely noise-less switching, 1x
static contactless output (triac) 01.7 A (60A/<10 ms), switches potential A1
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Multifunction time relay – CRM-91HE, asymmetric cycler - CRM-2HE
 Control by external control unit - potentiometer (can be placed/mounted for
example on switch board doors or in panel)
 CRM-91HE multifunction time relays:
- 10 functions - 5 time functions controlled by supply voltage, 4 time functions
controlled by control input, 1 function of latching relay
- 10 time ranges
 CRM-2HE asymmetric cycler with 2 time functions:
- cycler beginning with pulse
- cycler beginning with gap
(function selected via external wired link on control input S-A1)
 Universal power supply AC/DC 12 - 240 V
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Programmable digital relay – PDR-2/A, PDR-2/B

Used to control lighting, fans, contactors; system of countdown and blocking, remote
control using external buttons…

PDR-2/A: 16 functions, choice of functions of the other relay, 20 memory places for
most frequently used times

PDR-2/B: 10 functions, 1 output of 10 functions can be assigned to each relay = 2
relays in one device

Time range: 0,1s-100h, min. step 0,01s, accuracy 0,01%

Relay contacts: 2x16A/AgNi
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Plug-in time relay – PRM-91H, PRM-92H, PRM-2H

Used to control lights, heating, motors fans, etc.

Multifunction time relays are equivalents by module types of relay,
designed to standardized plump 11 or 8pin socket

PRM-91H – 10 time functions, time scale from 0.1 s to 10 days is
divided into 10 ranges, output contact 2x 8 A /2000 VA, 250 V AC1

PRM-92H – 10 time functions, time scale from 0,1 s to 10 days is
divided into 10 ranges, output contact 2x 8 A /2000 VA, 250 V AC1

PRM-2H – 2 time functions, time scale from 0,1 s to 100 days is
divided into 10 ranges, output contact 2x 8 A / 2000 VA, 250 V AC1
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Super-multifunction relay – SMR-K, SMR-T, SMR-H,SMR-B

Relay designed for installation into a wiring box or under wall-switch in an existing electrical
installation (SMR-K, SMR-T works without the connection of a neutral conductor)
 SMR-K – 9 functions – very low power of control inputs enables
connection of LED bulbs and energy saving bulbs
 SMR-T – 9 functions - 3-wire connection, works without the connection
of a neutral conductor
 SMR-H – 9 functions - 4-wire connection
it can not be used for fluorescent lamp and energy saving bulb
 SMR-B – 10 functions - 4-wire connection
- enables switching of fluorescent lights and
also energy saving lights
- suitable for switching loads greater than SMR-K
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Installation contactors
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Installation contactors with AC/DC coil „VS“
VS120
- 1.3kW / AC3
(230V) – 1 contact
VS220
- 1.3kW / AC3
(230V) – 2 contacts
VS420
- 2.2kW / AC3
(400V) – 4 contacts, only AC coil
VS425
- 4.0kW / AC3
(400V) – 4 contacts
VS440
- 11 kW/ AC3
(400V) – 4 contacts
VS463
- 15 kW/ AC3
(400V) – 4 contacts
Control coil voltage AC/DC 24,48,110,230V

different configurations of NO / NC contacts

terminals protection IP 40 on request

mounting: DIN rail, type VS420 also on board

noiseless operation
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Installation contactors with manual control „VSM“

For switching hot water appliances
VSM220 - 1.3kW / AC3
(230V)
VSM425 - 4 kW / AC3
(400V)

Coil control voltage AC12,24,42,48,110,127,230V

Different configurations of NO / NC contacts

AUTO – common function as with installation contactors without
manual control

1-contacts are open until there is another impulse to a contactor coil

0-contacts are open (operational contact) or closed (stand-by
contact) regardless voltage
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Latching (memory) relays
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Latching (memory) relays – MR-41, MR-42



Monostable flip-contact, pulse control from more locations via two wires, lights in
stairs, hallways, etc..
MR-41 – output contact: 1x changeover / SPDT 16 A
MR-42 – options:
- 2x parallel contacts or the other relay is latching
- function selected via external jumper between B1 - B2
- output contact: 2x changeover /SPDT 16 A
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Auxiliary relays
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Power relays modular type „VS“
 used for switching larger load output, strengthen or „multiplying“ contacts of
the existing device...
 VS116K VS116U
 VS308K VS308U
Relay contact: 1x16A/AgSnO2
Relay contact: 3x8A/AgSnO2
Power supply: AC 230V/50-60Hz- „K“
UNI AC/DC 12-240V( AC 50-60Hz) – „U“
Different colors of LED lights
- red, green, yellow, blue, white

VS116B/230 in design MINI, mounting into an installation box or
ceilings
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Power relays modular type „VS“
 VS316/230 Power supply:
AC 230V/50-60Hz
 VS316/24 Power supply:
AC/DC 24V (AC 50-60Hz)
Relay contact: 3x16A/AgSnO2
Enables switching of different phases or 3 phase voltage.
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Power relays plug-in type – 750L,782L

strengthen or „multiplying“ contacts of the existing device, quick
replacement in industrial operation, coils for various voltages

mechanical indication, LED indication included, cadmium-free gold-plated
contact, locking lever

750L – 3x changeover contacts of 10 A/AgNI + Au admixture

782L – 4x changeover contacts of 6 A/AgNI + Au admixture
 Power supply
DC – 6, 12, 24, 48, 110V
AC – 6, 12, 24, 120, 230V
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Staircase switches
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Staircase switch – CRM-4
 Used for delayed switching of lights in the corridors, entrances, stairways,
halls or for delayed finish (OFF) of fans (WC, bathroom, etc.)
 Operating system switch:
AUTO – normal function according to set time
OFF – permanently OFF (e.g. when changing bulbs)
ON – permanently ON (e.g. while cleaning, servicing)
Time range: 0.5 - 10 min, time setting by potentiometer.
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Programmable staircase switch with signaling before switch off – CRM-42, CRM-42F

Intelligent staircase switch, the same use as CRM-4, but with enlarged possibility of
control in mode „PROG“, it is possible to select time of delayed OFF by number of
button pressing.

CRM-42 – warning flashes - 40s and 30s before switch off output

CRM-42F – Staircase switch without warning flashes
 Operating system switch:
ON – output is constantly ON (service mode)
AUTO – functions according to set time 30s-10min.
PROG – timing with time prolongation option by number button
pressing
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Time switch clock
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Digital time switch clock SHT (SHT-1, SHT-3, SHT-1/2, SHT-3/2)

Control appliances depending on real time, automatic control, switching
lights, time-controlled el. heating, etc.

Switching according the program: AUTO, CUBE, MANUALLY

Winter / summer time, 100 memory locations

Backup: real time 3 years, program data 10 years
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Digital time switch with an astronomical program – SHT-4

Used for controlling the lighting (billboards, advertisements, shop windows,
etc.) with no light sensor required
 By entering the geographic coordinates, the lighting can be switched on/off by
sunrise and sunset
- astro-clock with adjustable interruption
- operating hours counter for each channel
- timer - switching on the basis of real-time
 Two-channel design, where each channel is programmable independently of
the other
 Automatic switching between winter and summer time
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Time switch – SHT-6 with DCF control novelty

Used for controlling appliances depending on real time, that is synchronized by a DCF 77
signal, thanks to the automatic time settings (with DCF 77 signal) it eliminates inaccuracies
and errors by time running

Automatic switching between winter/summer time

Easy replacement for the backup battery with plugging module without detaching the device

DCFR-1 Length of connecting cable is up to 100 m

Visual indication of proper function module
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Twilight switches
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Twilight switch – SOU-1

Used for switching street illumination and garden lights, illumination of
advertisements, shop windows, etc.

Adjustable time delay to eliminate short term fluctuation in illumination

External sensor IP56 suitable for mounting on the wall – maximum length of lead
wire 50m

Relay contacts: 1x16A/AgSnO2
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Twilight switch – SOU-2
 Used for control of lights on the basis of ambient light intensity and real time (combination of
SOU-1 and time switch clock SHT-1 in one device)
 INNOVATION – User-replaceable battery
 Adjustable light intensity 10-50000 lx
 Function „random switching“ enables simulation of presence in a house when nobody is at
home
switching:
- according to a program (AUTO)
- permanently manual
- random (CUBE)
 External sensor IP56 is suitable for mounting on the wall/
in panel (cover and sensors are part of delivery)
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Twilight light switch with IP65 protection – SOU-3

used as control of the device on the basis of ambient light intensity, quick settings,
outdoor and harsh environments
 Functions:
-twilight switch 1-1 000Lx in 3 ranges
-light switch 100-100 000Lx in 3 ranges
-delay t1 in 3 ranges
-fine adjustment in the range of potentiometer

Relay contact: 1x12A/AgSnO2
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Dimmers
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Staircase switch with dimming – DIM-2
 Used mostly in blocks of flats and their doorways or hallways, but also
as garden lighting
 Designated for dimming el. bulbs, halogen lights and halogen lights
with winding transformers
 Values are set by potentiometers on front panel of the product

options:
Brightness:
Dim-up time t1:
Time delay t2:
Dim-down time t3:
10-100%
1-40s
0s-20min
1-40s
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Controlled dimmer – DIM-5
 For switching and dimming lights in corridors, stairways... control input for pushbuttons (parallel connection possible)
 Short press turns light on/off , longer press (> 0.5 s) provides dim up / dim down
 When switched off, brightness level is stored in a memory and when ON again it
restores last brightness level
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Controlled dimmer – DIM-14
 Designed for loads R, L, C - dimming bulbs (R) and halogen lights with
wound (L) or electronic – capacitive transformer (C)
 Short impulse switches ON/OFF, longer impulse (>0.5s) enables gradual
light intensity setting
 Protection against over-heating inside the device – output off + flashing
LED indicator!
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Dimmer for LED bulbs and dimmable energy-saving lamps – SMR-M

Designed for dimming of LED bulbs and LED light sources /
dimmable saving energy-saving lamps. Used in new projects with
modern lighting. Installing into and KU 68 box.

Type of light source (LED or energy-saving lamp) is set by
switch-over on the front panel of device
Minimal luminance, set by potentiometer on the front panel,
eliminates flashing of some types of saving fluorescent lamps
We recommend to use the sources tested in our company

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Dimmer for LED bulbs and dimmable energy-saving lamps - DIM-15
 Designed for dimming of LED bulbs and LED light sources / dimmable saving energysaving lamps. Used in new projects with modern lighting. DIN rail design
 Type of light source is set by switch-over on the front panel of device
 Minimal brightness is set by potentiometer on the front panel
 We recommend to use the sources tested in our company
 Output: 2 x MOSFET ,300W
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Controlled dimmer – DIM-6

Designed for loads R, L, C - dimming bulbs and halogen lights 230V (R), low-voltage
halogen lamps with wound (L) or electronic – capacitive transformer (C)
 output: 4 x MOSFET ,10A
R,L,C – 2 000VA (Do not connect simultaneously L and C loads!)
 control options:
-Push-button (buttons connected in parallel)
-external potentiometer
-analog signal 0-10V (1-10V)
-iNELS BUS System

Connection of 8 pcs DIM6-3M-P enables to dim
loads up to 10 kVA
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Controlled dimmer – SMR-S
 Dimmers – for R,L loads – dimming bulbs and halogen lights
230V (R), low-voltage halogen lamps with wound transformer (L).

output: 1 x triac (fuse protection F1,6A)
R – 10-300VA / L - 10-150VA
connection WITHOUT NEUTRAL

Options:
- Short press: turn the lamp ON/OFF
- Longer press (over 0,5 s): continuous adjustment of light intensity,
which is stored in memory.
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Controlled dimmer – SMR-U

Designed for loads R, L, C – dimming bulbs and halogen lights
230V (R), low-voltage halogen lamps with wound transformer (L)
and electronic ballasts (C)
 output: 2 x MOSFET
R,L,C – 500VA (over 300VA cooling is required!)
Connection WITH NEUTRAL
 options:
- Short press: turn the lamp ON/OFF
- Longer press (over 0,5 s): continuous adjustment of light
intensity, which is stored in memory

electronic over-heating protection - output off in case
of short-circuit or overload!
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Lighting intensity controller – LIC-1

R,L,C,LED,ESL control (Dimmable energy saving lamps) – automatically regulates
the intensity of light in a room

External sensor (the same as for SOU-1,2) scans the intensity and based on the
preset value it decreases or increases the brightness of light

Operating status:
1 - Off
2 - Automatic regulation
3 - Cleaning (maximum level of illumination)
4 - Setting the minimum lighting brightness
5 - Setting the desired level of illumination)

Blocking the automatic control via external signal
power supply 230V AC
possibility to connect up to 50 push-buttons with glow lamps


output: 2 x MOSFET
R,L,C,LED,ESL – 300VA
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Lighting intensity controller – LIC-2 novelty
 serves as control unit for dimmers or electronic ballasts with analog
control 0-10 V / 1-10 V
 brings an easy way to control fluorescent lamps
 one control unit LIC-2 can control up to 50 electronic ballasts
 keeps a preset lighting intensity (automatic regulation)
 setting the basic parameters of lighting is performed by potentiometer
 min. brightness of illumination
 maximum illumination level
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Dimmer LED DALI/DMX DCDA-33M/RGB novelty
 serves to dim monochrome LED and RGB LED light sources with power supply 12-24
V DC which are current-controlled
 dimmer can be controlled from DALI bus or DMX
 it can be controlled directly through iNELS BUS system, where the installation CIB
bus is the communication interface
 actuator has 3 independent channels, each of output channel can be independently
controlled and addressed
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Thermostats
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Thermostat - Analog room and floor thermostat – ATR, ATF, ATC

Analog thermostat

Temperature range: +5 .. +40 oC

Floor or room sensor

ON indicator – OFF indicator – the temperature
drops at night
Thermo Room ATR: room thermostat
Thermo Floor ATF: floor thermostat
Thermo Combined ATC: combination of ATR and ATF
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Thermostat – digital room and floor – DTR, DTF, DTC
 Temperature range: +0 .. +50 oC
 Backlit display, the possibility of display settings - current or
set temperature
 Program or manual mode
Thermo Room DTR: Digital programmable thermostat with a
built-in room sensor
Thermo Floor DTF: Digital programmable thermostat with a builtin floor sensor
Thermo Combined DTC: Digital programmable thermostat with a
built-in room and floor sensor
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Digital thermostat – Thermostats (21232,21233) novelty
 Programmable thermostat 21232
- Automatic summer/winter time changeover, holiday mode
- Possibility to connect floor temperature sensor
 Simple thermostat 21233
- Possibility to control via IR remote controller
- Possibility to connect floor temperature sensor
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Thermostat – TEV-1

Two-level thermostat with function “WINDOW” - Used as
protection against freezing (gutters, driveways, pipelines etc.)

Relay contact: 1x16A/AgNi

optional functions:
- heating/cooling
- temperature monitoring -20…+20°C
 Other functions:
- monitoring short-circuit and
sensor disconnection

IP 65 protection
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Thermostat – TEV-2

Simple one-level thermostat – used in demanding environments

Relay contact: 1x16A/AgNi

optional functions:
- heating/cooling
- temperature monitoring -20…+20°C
 Other functions:
- monitoring short-circuit and
sensor disconnection

IP 65 protection
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Thermostat – TEV-3

Simple one-level thermostat – used in demanding environments with frequent
temperature changes

Relay contact: 1x16A/AgNi

optional functions:
- heating/cooling
- temperature monitoring +5…+35°C
 Other functions:
- monitoring short-circuit and
sensor disconnection

IP 65 protection
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Thermostat – TEV-4

Simple one-level thermostat – used to temperature control and monitoring in
outdoor spaces and demanding environments.

Relay contacts: 1x12A/AgSnO2

optional functions:
- heating/cooling
- temperature monitoring -30…+60°C – 3 ranges by jumper
- hysteresis settings 0,5/1,5/4°C – 3 values by jumper

Other functions:
- built-in sensor included in the package

IP 65 protection
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Temperature sensor – type PT100, TC, TZ

Accessories for thermostats, temperature sensors – from NTC thermistor in various
designs.
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Thermostat – TER-3 (A, B, C, D, G, H)
 Single thermostat for temperature monitoring and regulation in range 30..+70°C – 6 ranges
 It can be used for temperature monitoring e.g. in switchboards, heating
systems, liquids, radiators, motors, devices, open spaces, etc.
 Universal power supply AC / DC 24-240 V, not galvanically isolated
 Output contact 1x switching 16A / 250 V AC1
 Temperature ranges: TER – 3A -30..+10°C TER – 3D 0..+60°C
TER – 3B 0..+40°C TER – 3G 0..+60°C
TER – 3C +30..+70°C TER – 3H -15..+45°C
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Thermostat – TER-3 (E,F)

Single thermostat for temperature monitoring and regulation in range 0..+65 °C

It can be used for temperature monitoring e.g. in switchboards, heating systems, liquids,
refrigerators, coolers etc.
 Temperature range 0..+65°C
 TER-3E – choice of external temperature sensors with double insulation in standard lengths
3, 6 and 12 m
 TER-3F – sensor is a part of device, serves for monitoring temperature in a switchboard
 Output contact: 1x switching 16 A / 250 V AC1
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Double thermostat – TER-4

Double thermostat (2-stage) – used to monitor and control wide range of temperature
-40.. +110°C using two temperature inputs NTC, two thermostats in one device

Relay contact: 2x16A/AgNi

Optional functions:
- Thermostats dependent / independent
- Monitoring of short-circuit and sensor disconnection
- Function of heating / cooling
- Adjustable hysteresis for switching 0.5 or 2.5 ° C
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Thermostat with time switch clock – TER-9

Multifunction digital thermostat – Temperature monitoring and control based on real-time
with two temperature inputs NTC, two thermostats in one device with 6 functions

Relay contact: 2x8A/AgNi

Options:
- two independent thermostats
- 1x dependent
- differential thermostat
- 2-stage thermostat
- zone thermostat
- thermostat with dead zone

Other functions:
- Monitoring of short-circuit and
sensor disconnection
- SW settings
- Reference temperature calibration
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Thermostat – TER-7

Thermostat for monitoring temperature of motor winding monitors motor coil
temperature, using PTC sensor

Relay contact: 2x8A/AgNi

Options:
- function „MEMORY“
- reset:
a) button on the front panel
b) by external contact (remote by two wires)

Other functions:
- Monitoring of short-circuit and
sensor disconnection
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Hygro-thermostat – RHT-1

Hygro-thermostat in switchboard - used for monitoring temperature and relative
humidity in the switchboard

Relay contact: 1x16A/AgSnO2
 Options:
-range T – 0…60°C
-range RH – 50..90%
-hysteresis T – 2,5°C
-hysteresis RH – 4%
 Other functions:
-8 functions + ON/OFF --˃ see
chart
Thermostats
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Hygrostat – RHV-1

Hygrostat IP65 - used for regulation of humidity in harsh
environments and outdoor spaces

Relay contact:1x12A/AgSnO2

Options:
- moisturizing/dehumidifiying
- monitoring humidity 0…90% – 3 ranges by jumper
- hysteresis settings 2/3/4% – 3 ranges by jumper

Other functions:
- built-in sensor part of the product
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Level switches
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Level switch – HRH-1

Level switches – Used to control the level in wells, reservoirs,
tanks, pools, tankers, containers, etc…

Relay contact: 2x16A/AgNi

Options:
- single-state monitoring (full/empty)
- double-state monitoring (ON – 1st, OFF – 2nd)
- 2x independent single-state monitoring
- PUMP IN/PUMP OUT/combination
- adjustable time delay 0,5-10s
- adjustable sensitivity 5-100kohm

Galvanically isolated power supply (from circuit)

Measuring parameters: AC5V/50Hz
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Level switch – HRH-7 novelty
 suitable to operate/work in harsh conditions due to the high
degree of protection IP65 – e.g. basements, garages, shafts,
industrial premises …
 Configuration options:
- one-level switch of conductive liquids monitors one level (by
connecting H and D)
 - two-level switch of conductive liquids monitors two levels
(switches on at one level and switched off at another level)
 Galvanically isolated power supply UNI 24.. 240 V AC/DC
 Output contact 1x changeover 16 A / 250 V AC1
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Level switch – HRH-5

Level switch - used for monitoring levels in wells, reservoirs, pools,
tanks …

Relay contact: 1x8A/AgNi

Options:
- single-state monitoring (full/empty)
- double-state monitoring (ON – 1st, OFF – 2nd)
- PUMP IN/PUMP OUT/combination
- adjustable time delay 0,5-10s
- adjustable sensitivity 5-100kohm

Galvanically isolated power supply (from circuit)

Measuring parameters: AC3,5V/10Hz

Set of level switch, switchboard ECH-4G with IP
65 protection and gland
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Level switch – HRH-6

Level switch - used for monitoring levels in wells, reservoirs, pools,
tanks … Connected set

Relay contact: 1x10A / AgNi

Options:
- F1-monitor MAX. MIN level, mounted jumper
- F2- maintaining water level in reservoir, jumper removed
- PUMP UP/OFF/PUMP DOWN (functions can be switched)
- adjustable time delay 1-10s
- adjustable sensitivity 10-150kohm



6 pcs LED – 5 levels/6 sensors
Possibility to connect signaling outside the unit
Measuring parameters: AC3V/10Hz

Galvanically isolated power supply (from circuit)
(AC 230V).
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Level sensor and cable – SHR-x
 Sensors for level switches – usage: wells, drilling, tanks, flooding etc.
 Types:
SHR 1M (brass sensor) - used as a suitable indicator of basement flooding
SHR 1N (stainless steel sensor) - used as a suitable indicator of basement flooding
SHR 2 (stainless) - partially covered with PVC (certification for drinking water)
SHR 3 (stainless) - bipolar, suitable for closed tanks

Cable and wire for level sensors (for SHR-1, SHR-2):
- One-core cable D05V-K 0,75/3,2
- Three-core cable D03VV-F 3x0,75/3,2
Cable D03VV-F 3x0,75/3,2
SHR-1M
SHR-1N
SHR-2
SHR-3
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Level set – HRH-4 (HRH-5 + VS425)

Level switch – used for monitoring levels in wells, reservoirs,
pools, tanks … Connected set

Relay contact: 4x25A / AC3 / 5,5kW/400V

Options:
- single-state monitoring (full/empty)
- double-state monitoring (ON – 1st, OFF – 2nd)
- PUMP IN/PUMP OUT
- adjustable time delay 0,5-10s
- adjustable sensitivity 5-100kohm



Galvanically isolated power supply (from circuit)
.
Measuring parameters: AC3,5V/10Hz

Installation a fuse is required
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Level Sets for level monitoring novelty
 used to monitor levels in wells, reservoirs, tanks...
 The possibility of connection to 1 or 3-phase pump (depending on the
type of set)
 There are Level sets placed in switchboard with IP65 protection
(protected against dust and against water jets)
 HRH-VS: level switch HRH-5 with installation contactor VS425-40 (25A
contact)
 HRH-MS-1A: level switch HRH-5 with motor starter MS18 0,63-1A
 HRH-MS-1,6A: level switch HRH-5 with motor starter MS18 1-1,6A
 HRH-MS-VS-2,5A: level switch HRH-5 with installation contactor VS42540 (25A contact) and motor starter MS18 1,6-2,5 A
 HRH-MS-VS-4A: level switch HRH-5 with installation contactor
VS425-40 (25A contact) and motor starter MS18 2,5-4 A
 HRH-MS-VS-6,3A: level switch HRH-5 with installation contactor
VS425-40 (25A contact) and with motor starter MS18 4-6,3 A
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Power supplies
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Power supplies – PS range
 PSB-10: switching stabilized power suppliers with fixed output
voltage, for mounting into an installation box (for example KU-68)
PSB-10-12 (12V/10W)
PSB-10-24 (24V/10W)
 PS-10: switching stabilized power suppliers with fixed output
voltage, 1-MODULE design
PS-10-12 (12V/10W)
PS-10-24 (24V/10W)
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Power supplies – PS range
 PS-30: switching stabilized power suppliers with fixed output voltage, for
monitoring into an installation box, version 3-MODULE
PS-30-12 (12V/30W)
PS-30-24 (24V/30W)
PS-30-R (12-24V/30W)
 PS-100: stabilized power supply with fixed output voltage, version 6module
PS-100-12 (12V/100W)
PS-100-24 (24V/100W)
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Power supply – DR-60

Stabilized switching power supply DR with fixed output voltage, galvanically
isolated, power supply of control systems and machines


DR-60-12: power supply with fixed output voltage DC 12 V, stabilized 54 W
DR-60-24: power supply with fixed output voltage DC 24 V, stabilized 60W

max. load 12 V – 4.5 A, 24 V- 2.5 A
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Power supply – ZNP-10

Power supply with fixed output voltage – using in the various
electronic applications

Supply voltage: AC 230V

Output voltage: DC 12V(24V) unstab.
AC 12V(24V)
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Power supply – ZSR-30

Regulated stabilized power supply ZSR-30

Supply of various devices and appliances by safe voltage with fully
galvanic separation from the main

Input voltage:

Output voltage: DC 5-24V stab.
DC 24V unstab.
AC 24V

Output current is limited by an electronic fuse, 3- MODULE
AC 230V
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Bell transformer– ZTR

For general use – e.g. for home bells supply, door locks supply,…

Voltage range: AC 230 V

Output voltage: ZTR 8-8 - AC 8V
ZTR 8-12 - AC 12V
ZTR 15-12 - AC 4,8,12V
8 VA
8 VA
5, 10, 15 VA
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Controlling and signaling modules
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Controlling and signaling modules – USS

controlling and signaling modules – used for switching, controlling and
signaling of power circuits,

It´s possible to „click into“ different types of switches and signaling
units into the basic module.

15 types of units: push buttons, switches, signal lights of different
colors including flashing lights
Order example : USS - ZM
+ USS - 07
+ USS - 11
Controlling and signaling modules
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Optical signaling of three-phase main – MPS-1

used for optical signaling of the voltage level in three phases

four-wire connection - L1, L2, L3, N

monitors phase voltages against neutral wire

not dependent upon order of phases
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Monitoring voltage relay
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Monitoring voltage relay– range HRN-3x and range HRN-6x



Serves to control supply voltage for appliances sensitive to supply tolerance, protection of
the device against under/over voltage
Relay contact: 1x 16A/AgNi
Voltage range: AC 48-276V/50-60Hz
it doesn´t separated galvanically !

function:

More types of HRN, the same function but with these difference:
HRN-34, 64
- DC 18 up to 30 V
HRN-35
- AC 160 up to 276V – every level has each relay
HRN-37, 67
- AC 80 up to 150V
- monitoring overvoltage / undervoltage
- 1contact for both levels Umax, Umin
- HRN-33 relay contact in normal state is switched on
- HRN-63 relay contact in normal state is switched off
exceeding Umax level – close
lower than Umin – open
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Monitoring voltage relay – HRN-41, HRN-42

Monitoring voltage – 1 phase, monitoring overvoltage/undervoltage
AC/DC, 3 ranges, galvanically separated supply voltage

Relay contact: 2x16A/AgNi

Function: „HYSTERESIS“, or „WINDOW“
„MEMORY“ – manual reset button

Ranges:

hysteresis HRN-41 – adjustable Umax. Umin adjusted as % Umax.
When the upper level is changing, lower level is changing also.

window HRN-42 – adjustable Umax and Umin. Individually in %
of rated monitoring range.
Monitoring voltage relay
AC/DC 10 – 50V
AC/DC 32-160V
AC/DC 100-500V
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Monitoring voltage relay – HRN-55, HRN-55N
 Relay monitors phase sequence and failure, exceeding of
monitored voltage in 3 phase main.
 HRN-55 – supply from all phases, which means that function
of relay is applicable also if one phase fails
 HRN-55N – supply L1-N, it means that relay also monitors
break of neutral point
 Output contact 1x changeover 8A / 250 V AC1
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Monitoring voltage relay – HRN-57, HRN-57N
 It serves to monitor voltage in a switchboard, protection of devices in 3-phase
main
 Relay doesn´t monitor phase sequence
 HRN-57 – supply from all phases, it means that relay is functional also in case
of failure in one phase
 HRN-57N – suppy L1-N, it means that relay monitors also failure of neutral
wire, replacement for HRN-52.
 Output contact 1x changeover 8 A / 250 V AC1
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Monitoring voltage relay – HRN-54, HRN-54N
 Serves to monitor voltage, phase failure and sequence in switchboards, protection of
devices in 3-phase mains it is possible to set upper and lower level of monitoring
voltage
 HRN-54 – supply from all phases which means that relay is functional also in case when
one phase is faulty
 HRN-54N – supply L1-N, means that relay monitors also failure of neutral wire
 Output contact1x changeover 8 A / 250 V AC1
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Monitoring voltage relay – HRN-56
 Relay monitors phase sequence and failure (e.g. Control of correct motor
winding etc.)
 Designed for monitoring 3-phase mains
 Supply and monitoring supply Un:
1 – MODUL
HRN-56/120 – 3x120V
HRN-56/208 – 3x208V
HRN-56/240 – 3x240V
HRN-56/400 – 3x400V
3 – MODUL
HRN-56/480 – 3x480V
HRN-56/575 – 3x575V
 Output contact 1x changeover 8 A /250 V AC1
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Monitoring voltage relay – HRN-43, HRN-43N

Voltage relay - 3 phase mains, undervoltage and overvoltage, in the range
138-276V or 280-480V (3x400V), phase asymmetry, complete monitoring of 3-f

Voltage range: AC 3x400V/230V/50 - 60Hz
AC/DC 24V (AC 50-60Hz)

Output contact: 2x16A/AgNi

Function: „MEMORY“ – manual reset
galvanically separated power supply Un
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Frequency monitoring relay – HRF-10
 The relay is designed for monitoring frequency of AC voltage, e.g. in photovoltaic
power stations, generators
 The monitored frequency 50/60/400 Hz selected by switch
 Supply from monitored voltage
 Two adjustable levels of frequency (Fmin, Fmax) in the range 80–120%
 Adjustable difference level
 Adjustable delay level
 Switchable ranges of rated frequency Fn
 3-module
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Current monitoring relays
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Current monitoring relay – PRI-32

Current monitoring relay – monitoring overloading / discharge (machine, motor …),
load sensing, diagnostics of remote device (interruption, short circuit consumption
increase…)

Voltage range : AC 24-240V 50-60Hz
DC 24V

 Relay contact:
1x8A/AgNi

Function : adjustable time delay for each level
potentiometer 1-20A /AC

Galvanically separated from the measured current
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Current monitoring relay – PRI-51

Current monitoring relay – monitoring overloading / discharge (machine, motor …),
load sensing, diagnostics of remote device (interruption, short circuit consumption
increase…)

Voltage range:

Relay contact: 1x8A/AgNi

Function: adjustable time delay for each level
potentiometer 1-16A /AC in 6 ranges

Galvanically separated from the measured current
AC 24-240V 50-60Hz
DC 24V
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Current monitoring relay – PRI-52

Current monitoring relay – monitoring overloading / discharge (machine, motor
…), load sensing, distant device diagnostic (short circuit, take-off increasing)

Voltage range: AC 230V 50-60Hz

Relay contact: 1x8A/AgNi

Function:

Galvanically separated from the monitored current
adjustable time delay for each level
potentiometer 0,5-25A /AC
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Monitoring current relay – PRI-41, PRI-42

Monitoring current relay - to monitor overloading / discharge (machine, motor ..),
load sensing, diagnostics of remote device (interruption, short circuit, current
consumption increase … ), monitors AC/DC 1 phase current in 3 ranges

Voltage range: AC 230V 50-60Hz
AC/DC 24V (AC 50-60Hz)


Relays contact: 2x16A/AgNi
function: „HYSTERESIS“, or „WINDOW“
„MEMORY“ – manual function

control range:
AC/DC 0,4-1,6A
AC/DC 1,25-5A
AC/DC 4-16A
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Monitoring three-phase relay – PRI-53

Intended for monitoring the current in the three-phase devices (e.g. cranes, motors,
etc.) Adjustable function Under/Over – monitors the drop in the strength of current
below the preset value I / exceeding the preset value I.

Power supply: AC/DC 24- 240V (AC50-60Hz)



Relays contact: 2x8A/AgNi
Function: UNDER/OVER
2 types depending on the strength of rated current In: 1A (adjustable 40-120% In)
/overload capacity 2A
- 5A (adjustable 40-120% In) / permanent load 10A


Galvanically separated from the circuit
Option of connecting via the current transformers to increase
the value of the monitored current by up to 600 A
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Current transformer – SR





Series monitoring „ winding “ transformer SR
Constant overload capacity: 1.2 x In
Output current 0-5A
DIN rail mounting
accessory to monitoring relay series PRI
 Max cable size:
- solid conductor: max. 6 mm2
- wire max. 4 mm2
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Power factor control COS-1
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Relay for power factor control – COS-1

Relay monitors phase shift between current and voltage cos-φ in 3-phase and also
1-phase mains for monitoring overload/unloading of motors.

Power supply:

Output contact: 2x16A/AgNi

Functions:
 Cos-φ motor underload or overload
 Options „MEMORY“
 Adjustable delay-start motor

Monitored range of cos-φ,
- upper level
0,1-0,99
- lower level
0,1-0,99
AC 230V 50-60Hz
AC 400V 50-60Hz
AC/DC 24V (AC 50-60Hz)
 Galvanically isolated power supply
from the monitored current
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Thermo-valves
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Digital thermovalve ATV-1
 Energy digital saving thermovalve is programmable controller for
heaters, especially radiators
 It can be used to control temperature in closed rooms, thus helping
to reduce your heating energy use.
 Programmable USB for thermovalve ATV-1
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Thermodrivers – TELVA AA
 Intended for the zone or individual regulation with high differential
pressures
 regulating thermostatic valves of floor, radiator and convector heating
 Types of thermodrivers:
TELVA AA 230V/NO
TELVA AA 230V/NC
TELVA AA 24V/NO
TELVA AA 24V/NC
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Marketing support
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Training
If you are interested in our products, you are kindly welcome
to attend our trainings which take place in our company.
For more information about training, see here:
http://www.elkoep.com/fairs-trainings/information-abouttrainings/
http://www.elkoep.com/solutions/
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Price offer to download: www.elkoep.com/solutions
Check list to calculate a price offer
Interactive price offer
Marketing support
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Technical catalogue
Product overview
Dimming lamps
Brochure
Poster
Prospectus
Recommended lighting source
Functional democase
Marketing support
Poster
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Thank you for your attention!!!
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