CONNECTING COMPETENCE.
W DATA SHEET: EHDREH500 / EHDREH1200
ROTARY DIMMER 500 VA AND 1200 VA
W FUNCTION
Dimmer operated by a rotary knob for the power control of all standard types of illuminations, such as e.g. incandescent lamps,
high-voltage and low-voltage halogen lamps with electric or conventional transformers.
The these resistive-inductive loads or resistive-capacitive loads the dimmer can work in a normal or reverse phase control mode. If
the operating mode has been set incorrectly, or if a short-circuit occurs, the dimmer will automatically disconnect the load. In
addition, the LT 500 M and the LT 1200 M are equipped with thermal overload protection, electronic short-circuit cut-out, overvoltage protection and a soft-start function.
The device is also provided with electronic half-wave balancing and idle monitoring. This ensures the prevention of magnetic bias
when conventional mains transformers are connected and of overvoltages when idling.
SCHRACK TECHNIK GMBH
Seybelgasse 13, A - 1230 Vienna, PHONE +43 1/866 85-0
E-MAIL info@schrack.com, INTERNET www.schrack.com
PAGE 1/4
DATA SHEET: EHDREH500/1200-E / 09-2009
Errors and omissions excepted.
CONNECTING COMPETENCE.
W FEATURES
•
•
•
•
•
•
•
•
Operated by integral rotary knob
Dimming capacity: 15 VA – 500 VA (LT 500 M)
Dimming capacity: 40 VA - 1200 VA ( LT 1200 M)
Phase control and reverse phase control dimmer
Overload protection
Optical feedback of the active load exit
LT 500 M, 2 module widths only
LT 1200 M, 4 module widths only
W MOUNTING METHOD
• Snap-on fastening on DIN-rail to EN 50022 possible in all standard distribution panels
• Any mounting position possible
W NOTE
The function is not guaranteed to dim compact fluorescent lamps (energy savings lamps).
W APPLICATIONS
• Lighting control in
- Restaurants
- Stage lighting
- etc.
SCHRACK TECHNIK GMBH
Seybelgasse 13, A - 1230 Vienna, PHONE +43 1/866 85-0
E-MAIL info@schrack.com, INTERNET www.schrack.com
PAGE 2/4
DATA SHEET: EHDREH500/1200-E / 09-2009
Errors and omissions excepted.
CONNECTING COMPETENCE.
W TECHNICAL DATA
EHDREH500
EHDREH1200
Operating mode
Rotary switch
Output
Semiconductor output
Rated voltage
230 V ± 10 %
Frequency range
50 Hz
Own consumption
4.5 W
Overload protection, thermal
14 W
Load disconnected when exceeding limit temperature
(automatic reconnection upon falling below temperature)
Overload protection, short-circuit
Load disconnection resulting from internal fault detection
(fault reset by means of mains power disconnection for at least 2s)
Load type
adjustable via rotary switch
Phase angle control (R,L)
Yes
AC modulation control (R,C)
a)
Yes, (observe manufacturer´s specification of min. load)
Incandescent lamps
High-voltage halogen lamps
500 VA
1200 VA
500 VA
1200 VA
Low-voltage halogen lamps
b)
with conventional transformer
500 W
1200 W
Low-voltage halogen lamps
b)
with electronic ballast
500 W
1200 W
Min. dimming capacity
10 VA
40 VA
Max. dimming capacity c) d)
500 VA
1200 VA
Dimmable energy-saving lamps
No
Fluorescent lamps
No
Mercury vapour lamps
No
Parallel compensation
No
Switch-on delay
approx. 1 s, of 0% to 100% (soft start)
Switch-off delay
approx. 1 s, of 0% to 100% (soft stop)
Switching cycles
> 100000
Indicator
red LED
Off
Output switched off
On
Output switched on, trouble-free operation
Flashing sequence, slow (1Hz)
Flashing sequence, fast (5Hz)
Housing
Excess temperature
Short-circuit, incorrect operating mode, overvoltage, idle monitoring
Distribution installation housing to DIN 43880
Material
polycarbonate PC
Installation
rail-mounting to DIN EN 50022
Connection type
Strain relief clamps
Torque
0.6 Nm
Contact area
0.4 - 2.5 mm²
1.1
L in
1.5
L out
2.1
N (neutral)
2.5
N (neutral)
Ambient temperature
Atm. humidity
Encl. protection type
- 10° C up to + 45° C
max. 85% (exposure to dew not permissible)
IP 40 after installation in distribution board
Design requirements
Dimensions (W x H x D in mm)
Weight
SCHRACK TECHNIK GMBH
Seybelgasse 13, A - 1230 Vienna, PHONE +43 1/866 85-0
E-MAIL info@schrack.com, INTERNET www.schrack.com
IEC 669 / DIN EN 60669
36 x 85 x 58 / 2 modules
72 x 85 x 58 / 4 modules
0.139 kg
0.222 kg
PAGE 3/4
DATA SHEET: EHDREH500/1200-E / 09-2009
Errors and omissions excepted.
CONNECTING COMPETENCE.
W TECHNICAL DATA – Continued
Conventional transformers for LV halogen lamps should be loaded least 20%. Too high an inductivity will result in the
dimmer´being switched off (idle detection). It is imperative tu use only trasformers ap¬proved by the manufacturer für phase angle
control (i. e. dimmer control at on).
a)
In the case of LV halogen lamps the transformer´s own power consumption has to be added to the lamp´s wattage when determining the total dissipated energy. With a matched transformer this may be assumed to be approx 10% of the lamp´s wattage.
b)
The dimming capacity is dependent upon the ambient temperature and applies to the specified range. Always allow for sufficient
ventilation in the distribution board. If serveral dimmers are mounted next to each other in the distribution board and also subject
to high loads, a ventilation space of approx 10 mm is recommended.
c)
d)
Observe the manufacturer´s specifications.
DESCRIPTION
ORDER NUMBER
Rotary Dimmer 10 VA - 500 VA
EHDREH500
Rotary Dimmer 40 VA - 1200 VA
EHDREH1200
SCHRACK TECHNIK GMBH
Seybelgasse 13, A - 1230 Vienna, PHONE +43 1/866 85-0
E-MAIL info@schrack.com, INTERNET www.schrack.com
PAGE 4/4
DATA SHEET: EHDREH500/1200-E / 09-2009
Errors and omissions excepted.