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ELR72P
2CSG152424R1202
ELR72V24P
2CSG452424R1202
Front panel
residual
current relay
A Type
Connection
Wiring diagram with shunt trip and Fail Safe OFF
Connect the terminals 10 and 11 when undervoltage release is used.
ALIMENTAZIONE
SUPPLY
TERRA
EARTH
N L1 L2 L3
Aux
SHUNT
Ba
TRIP
TR...
Auxiliary Power Supply Vaux:
Toroidal transformer connection:
ELR72P
- To link terminals 7 and 8 with toroidal
• Terminals 2 - 3 = 110 V ac (±20%)
terminals S1 and S2 (measure)
• Terminals 1 - 2 = 230 V ac (±20%)
- To link terminals 5 and 6 with toroidal
• Terminals 1 - 3 = 400 V ac (±20%)
terminals T1 and T2 (test)
ELR72V24P
Remote reset / Autoreset:
• Terminals 2 - 3 = 24 V ac/dc (±20%)
- To link terminals 15 and 16 with NO pushbutton
• Terminals 1 - 3 = 48 V ac/dc (±20%)
in order to realize remote reset function.
- To link terminals 15 and 16 each other to
realize autoreset function.
Description
FRONT VIEW
1
5
6
ELR ID:
1,5
1
2
0,5
0,3
3
ON
ON
ALARM
ALARM
FAULT
FAULT
Ι∆n (A)
ALARM
off
on
tx10
tx1
Ι∆nx1
Ι∆nx0,1
Ι∆nx10
TEST
Fault
off
Alarm
FAIL SAFE
IEC/EN 60947-2 Annex M
3
Minidip
Legenda:
1) - Sensitivity setting IΔn
2) - Delay time setting
3) - Test pushbutton
4) - Reset pushbutton
5) - GREEN Led: auxiliary supply presence
6) - YELLOW Led: alarm contact intervention
7) - RED Led: trip contact intervention
8) - Terminals for auxiliary supply and toroidal connection
9) - Terminals for output contacts connection
Technical features
Auxiliary Power Supply
Maximum consumption
remote
RESET
(auto reset)
ouput
Sensitivity setting IΔn
relay
ALARM
ouput
relay
TRIP
Delay time setting
input
current
Signallings
out test
signal
Alarm contact intervention
Toroidal transformers
*
V aux
Output contact capacity
Adjustable features
ELR72P
Operating temperature
Storage temperature
Max humidity
Dielectric test
Mounting position
Wiring type
Protection degree
Standard
REAR VIEW
7
2
ELR72P
TR ID:
1
9
0,2
0,3
2
10
0,1
0,4
0,06
3
11
0,5
0
∆t (s)
4
12
5
13
14
6
7
15
RESET
8
16
4
8
9
ELR72P: 110, 230, 400 V ac (±20%); 50-60 Hz
ELR72V24P: 24-48 V ac/dc (±20%); 50-60 Hz
4 VA
0,03 ÷ 0,3 A with K = 0,1
0,3 ÷ 3 A with K = 1
3 ÷ 30 A with K = 10
0 ÷ 0,5 sec. with K = 1
0,5 ÷ 5 sec. with K = 10
led ON, led ALARM, led FAULT
60% IΔn set
TR range
5 A 250V
Autoreset, Alarm, Fail Safe, Remote reset
-10 ÷ 60°C
-20 ÷ 70°C
≤ 95 %
2,5 kV 60 sec.
Any
Screw terminals/ cross section cables 2,5 mm²
IP52 frontal with cover
(IP40 frontal) - IP20 terminals
IEC EN 60947-2 Annex-M
Minidip Set Up
1
0
ALARM
A
off
on
B
tx10
tx1
∆
C
I
x1
∆
I
x0,1
∆
D
I
x10
Fault
E
off
F
Alarm
FAIL SAFE
A - Alarm function
position 1: Alarm is OFF
position 0: Alarm is ON
B - Delay time multiplication constant
position 1: K = 10
position 0: K = 1
C/D - Sensitivity multiplication constant
c,d in position 0: K = 0,1
c in position 1, d in position 0: K = 1
c,d in position 1 K = 10
E - Fail Safe (Trip Contact)
position 1: the relay is normally energized (Fail Safe)
position 0: the relay is normally de-energized
F - Fail Safe (Alarm Contact)
position 1: the relay is normally energized (Fail Safe)
position 0: the relay is normally de-energized
Dimensions (mm)
72
80
(with cover)
9
R3
68
102
62
12
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