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ELR48P
2CSG252211R1202
ELR48V24P
2CSG452211R1202
Front panel
residual
current relay
A Type
Connection
Wiring diagram with shunt trip and Fail Safe activated.
Connect the terminals 7 and 8 when undervoltage release is used.
ALIMENTAZIONE
SuppLy
TERRA
EARTh
N L1 L2 L3
SOR
ShuNT TRIp
TR...
Auxiliary Power Supply Vaux:
ELR48P
ELR48V24P
• Terminals 2 - 3 = 110 V ac/dc (±20%)
• Terminals 2 - 3 = 24 V ac/dc (±20%)
• Terminals 1 - 3 = 230 V ac (±20%)
• Terminals 1 - 3 = 48 V ac/dc (±20%)
Toroidal transformer connection:
To link the terminals 4 and 5 with toroidal terminals S1 and S2
Description
FRONT VIEW
1
5
1,5
1
2
0,5
0,3
3
Ι∆n (A)
auto
tx10
Ι∆nx1
Ι∆nx10
RESET
off
4
Legenda:
1) - Sensitivity setting IΔn
2) - Delay time setting
3) - Test pushbutton
4) - Reset pushbutton
5) - GREEN Led: auxiliary supply presence
6) - RED Led: trip contact intervention
7) - Terminals for connection of output contacts
8) - Terminals for auxiliary supply and toroidal connection
Technical features
Auxiliary Power Supply
Maximum consumption
Aux
Sensitivity setting IΔn
Delay time setting
Signallings
7 8 9 10 11 12
Toroidal transformers
Output contact capacity
ELR48P
Adjustable features
Operating temperature
V aux
Storage temperature
5 4
3
2
1
Max humidity
Dielectric test
Mounting position
Wiring type
Protection degree
Standard
REAR VIEW
6
2
ELR48P
0,3
0,2
ON
ON
FA
FAULT
FAULT
0,4
0,1
0
0,06
0
0
0,5
0
5 4 3 2 1
∆t (s)
RESET
12 11 10 9 8 7
man
tx1
Ι∆nx0,1
TEST
on
FAIL SAFE
IEC/EN 60947-2 Annex M
Minidip
3
7
ELR48P: 110, 230 V ac / 110 V dc (±20%); 50-60 Hz
ELR48V24P: 24-48 V ac (±20%); 50-60Hz
3 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 FAULT
TR range
5 A 250V
Fail Safe, Autoreset
-10 ÷ 60°C
-20 ÷ 70°C
≤ 95 %
2,5 kV 60 sec.
Any
Screw terminals / cross section cables 2,5 mm²
IP52 front with cover
(IP40 front) - IP20 terminals
IEC EN 60947-2 Annex-M
Minidip Set Up
1
8
auto
tx10
Ι∆
nx1
Ι∆
nx10
off
A - Reset Mode
position 1: automatic reset
position 0: manual reset
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 - Output contacts Fail Safe
position 1: the relay is normally de-energized
position 0: the relay is normally energized (Fail Safe)
Dimensions (mm)
48
54
(with cover)
R3
45
0
RESET
A
man
B
tx1
C
Ι∆
nx0,1
D
E
on
FAIL SAFE
44
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