Command and signalling technical details
E 259 installation relays
E 259 INSTALLATION RELAYS
Information about lamp insertion between phase and neutral
Power [W]
Number of switchable
lamps
Incandescent lamps (230 V a.c.)
Power [W]
Low pressure sodium vapor lamps (SOX)
15
120
55
6
25
72
90
4
40
45
135
3
60
30
180
2
75
24
185
2
100
18
150
12
70
10
200
9
150
5
300
6
250
3
500
3
400
2
1000
-
High pressure sodium vapor lamps (NAV)
Fluorescent lamps without power factor capacitors
18
50
36
25
Metal halide and high pressure mercury vapor lamps (HQL)
50
16
40
23
80
10
58
16
125
7
65
13
250
3
400
2
1000
-
Fluorescent lamps with power factor capacitors
10
18
17
36
13
40
12
150
12
58
8
250
7
65
7
300
6
400
4
Fluorescent twin-lamps
230 V halogen lamps (HQI)
2 x 18
50
500
3
2 x 36
25
1000
2
2 x 40
23
2 x 58
16
20
72
2 x 65
13
50
29
75
20
1 x 18
38
100
15
1 x 36
30
150
10
1 x 58
17
200
7
2 x 18
19
300
5
2 x 36
15
2 x 58
8
Lamps with electronic reactor
10/238
Number of switchable
lamps
System pro M compact® | 2CSC 400 002 D0211
Very low voltage halogen lamps (12 or 24 V AC)
Operating principle
The E 259 installation relays are 16 A contactors specifically
engineered for residential and commercial applications and
are available in a wide range of contact layouts and coil voltages.
Example of installation
As shown in the diagrams, one of
the possible applications is to
mount the E 259 16-11 installation relay with a NO and a NC
contact inside the electric system of a hospital ward. The first
control sent through a switch to the command circuit of the
relay will turn off the ceiling lights and turn on the corridor
lamps, while the second command returns to the previous
state.
Application environments
The E 259 installation relays are particularly indicated in residential and commercial buildings for lighting control.
AUXILIARY
L1
L1
N
10
1
0 1
E221-10
3
C
C
S1
2
4
A1
E 259-R11
C
A2
N
LIGHT UNIT
1
LIGHT UNIT
2
2CSC400810F0202
E 259
2CSC400809F0202
AUXILIARY
System pro M compact® | 2CSC 400 002 D0211 10/239
Command and signalling technical details
E 250 latching relays
E 250 LATCHING RELAYS
Information about lamp insertion between phase and neutral
Power
Number of switchable lamps
[W]
E 250 - 16 A
E 250 - 32 A
15
200
266
55
27
36
25
120
160
90
16
22
Incandescent lamps (230 V a.c.)
[W]
E 250 - 16 A
E 250 - 32 A
40
75
102
135
11
14
60
50
65
180
8
11
75
40
52
185
8
10
100
30
40
150
20
26
70
15
18
200
15
20
150
8
10
High pressure sodium vapor lamps (NAV)
300
9
12
250
4
6
500
5
7
400
3
4
1000
1
1
18
81
110
36
44
58
50
30
40
40
38
53
80
18
25
58
29
35
125
12
16
65
26
34
250
6
8
400
3
5
1000
1
2
20
27
Fluorescent lamps with power factor capacitors
Metal halide and high pressure mercury vapor lamps (HQL)
18
103
132
36
63
81
230 V halogen lamps (HQI)
40
40
77
150
58
41
52
250
12
16
65
37
48
300
10
13
400
7
10
Fluorescent twin-lamps
2 x 18
82
110
500
6
8
2 x 36
41
55
1000
3
4
2 x 40
35
50
2 x 58
23
30
20
116
160
2 x 65
22
30
50
46
64
75
31
42
18
83
112
100
24
32
36
46
61
150
15
21
Lamps with electronic reactor
10/240
Number of switchable lamps
Low pressure sodium vapor lamps (SOX)
Fluorescent lamps without power factor capacitors
10
Power
Very low voltage halogen lamps (12 or 24 V AC)
58
31
38
200
12
16
2 x 18
40
56
300
7
10
2 x 36
23
30
2 x 58
14
19
System pro M compact® | 2CSC 400 002 D0211
Use of lighted pushbuttons
Latching relays can be controlled through lighted pushbuttons, without any limitations in terms of connection of three-terminal
types.
In two-terminals pushbuttons the current that flows through pushbutton lamps can trigger an unwanted activation; in order to
avoid this there is the E 250 CP compensation module, installed in parallel on the coil.
Number of E 250 CP compensation modules
Number of connectable lighted pushbuttons
0
1P – 2P types
3P – 4P types
8
9
1
18
22
2
45
38
Maximum length of very low voltage connections
Too long feeding cables can cause a drop in the supply voltage, which could be inadequate for guaranteeing standard operating conditions of latching relays, in particular for very low voltage types.
For this reason the wiring must not exceed the maximum lengths (outward and return) shown in the table.
UN
0.5 mm2
0.75 mm2
1 mm2
1.5 mm2
8 V~
28 m
41 m
55 m
90 m
12 V~
68 m
102 m
136 m
224 m
24 V~
272 m
412 m
548 m
896 m
48 V~
1096 m
1640 m
2184 m
3584 m
Relay DC switching capacity
V DC
E 259
E 250 (16 A a.c.)
E 250 (32 A a.c.)
≤ 12
16
16
32
24
16
16
20
30
16
16
16
48
10
10
10
60
8
8
8
110
5
5
5
230
2
2
2
10
E250-series and E259-series DC switching capacity
V d.c.
16A relays
32A relays
230V
110V
60V
48V
30V
12V
2A
5A
8A 10A
16A
20A
32A
I(A)
Max load
2CSC400486F0202
24V
System pro M compact® | 2CSC 400 002 D0211 10/241
Command and signalling technical details
E 250 latching relays
Accessories for E250 series latching relays
Accessories for E259 installation relays
Auxiliary contacts
max. two per
relay
without other
accessories
No accessory
for E255
Auxiliary contacts
max one for E259 relay
with 3 or 4 contacts
E250H
E255
Auxiliary contact
max one if the
relay is
coupled with
other accessories
Central
command
max one
per relay
E250H
E257CM
E259
3 or 4
E250H contacts
Power
contact
max one
per relay
E251
E252
E256
E250CM
Auxiliary contacts
max two for E259
relay with 1 or 2 contacts
Accessories of E257C and E258C series latching relays
Auxiliary
contacts
max two for
E257 relay with
single contact
Auxiliary
contacts
max one for
E257 with two
or more contacts
and for E258
relays
E257C
2 or more
contacts
E258C
E250H
E250H
E257C
1 or 2
contacts
E250H
Other accessories for E250 series latching relays
These accessories do not
require any mechanical
connection and can be
used with all the latching
relays.
10
Group module
Can be connected to the
central command circuit to
create subgroups of relays.
Suitable only for use with
E257 and E258 devices, or
with E250 equipped with
the E257 CM accessory.
See specific connection
diagram.
Compensator module
To be connected in
parallel with the command
circuit if using illuminated
pushbuttons with two
terminals.
See table for max. number
of installable pushbuttons
in technical details.
E 257 - local and central command by push-buttons
E 257 - permanently supplied
Each local push-button controls a single relay.
Pressing the central ON(/OFF) button puts all the relays in the ON (/OFF)
position irrespective of their previous state.
It is possible to permanently supply the central
command, for example using a change-over
switch to control the relay.
OFF
ON
OFF
ON
E257
E257
OFF
OFF
ON
E257
ON
Local
Local
L
L
N
N
Connect the push-buttons on the same line for both local and central command.
With alternating current use either the phase (L) or neutral (N)
With direct current the positive (+) pole must be used.
10/242
System pro M compact® | 2CSC 400 002 D0211
In this configuration a local actuating
coil cannot be used.
1CSC400068F0202
Central
E259
1 or 2
contacts