ELR-3E
EARTH LEAKAGE RELAY - MODULAR VERSION 3 MODULES
GENERAL CHARACTERISTICS
• Earth leakage relay type A
• External toroidal
• Green power LED indicator (ON)
• Red relay tripped LED indicator (TRIP)
• Front TEST and RESET buttons
• Manual resetting
• Modular DIN housing, 3 module, with transparent cover
• Degree of protection: IP20 terminals, IP40 on front with cover
ORDER
CODE
RATED AUXILIARY
SUPPLY VOLTAGE
OUTPUTS
CONTACTS
WT
[kg]
ADJUSTMENTS
ELR-3E 48
24-48 VAC/DC
1
0,190
Configurable tripping
set-point (I∆n)
ELR-3E 415
110 VAC/DC-240-415 VAC
1
0,190
OPTIONS
T
Configurable tripping
delay time (t)
Tropicalisation
0,03A
0,1A
0,3A
0,5A
1A
0,02s
0,2s
0,5
1s
5s
LEGENDA
5
3
6
ELR-3E
0.03
ON
0.2
0.5
2
t(s)
4
PR OTECTI O N I N S T R U M E NTS
2
Fault current to earth adjustment
3
TEST key.
Causes tripping of the relay.
4
RESET key.
To reset the relay after tripping. For remote reset,
simply shut off the auxiliary supply for about 1 second.
5
ON LED.
Indicates the presence of auxiliary voltage.
6
TRIP LED.
Lighting up indicates the cutting in of the TRIP relay due to exceeding
the I∆n set.
1
RESET
I∆(A)
Tripping delay time adjustment
0.02
0.3
1
|
TRIP
0.1
0.5
28
TEST
1
1
5
ELR-3E
EARTH LEAKAGE RELAY - MODULAR VERSION 3 MODULES
TECHNICAL CHARACTERISTICS
ELR-3E
CONTROL CIRCUIT
Toroidal transformer
Adjustments tripping set-point (I∆)
Adjustments tripping time (t)
AUXILIARY SUPPLY
Auxiliary voltage (Us)
Rated frequency
Maximum power consumption
OUTPUT RELAYS
Contact arrangement
Rated contact capacity Ith
INDICATIONS
Auxiliary voltage available (ON)
Relay tripping (TRIP)
INSULATION
Insulation test
AMBIENT OPERATING CONDITIONS
Operating temperature
Storage temperature
Relative humidity
ENCLOSURE
Version
Degree of protection
CERTIFICATIONS AND COMPLIANCE
Reference standards
External
0,03 A o 0,1 A o 0,3 A o 0,5 A o 1 A
0,02 s o 0,2 s o 0,5 s o 1 s
24-48 VAC/DC | 110 VAC/DC-240-415 VAC
50-60 Hz
3 VA
1 changeover (trip)
5 A (240 VAC)
Green LED
Red LED
2.5kV for 1 minute
-10÷60 °C
-20÷80 °C
≤90%
3 modules DIN
IP20 terminals | IP40 with protective cover
IEC/EN 61010, IEC/EN 61000-6-2 | IEC/EN 61000-6-3, IEC/TR 60755 | CEI EN 60947-2 Annex M
WIRING CONNECTION
Load
GRD
N L1 L2 L3
Us
BA (shunt coil)
9 8 7
4 3 2 1
TRIP
1 2
12 11
1-4 = 380-415 V ac
1-3 = 220-240 V ac
1-2 = 110-125 V ac / dc
--------1-3 = 48 V ac/dc
1-2 = 24 V ac/dc
Load
MECHANICAL DIMENSIONS
52,5
65
0.03
ON
TEST
TRIP
0.1
0.02
0.2
0.3
0.5
0.5
1
45
85
ELR-3E
1
RESET
I∆(A)
t(s)
5
44
58
P R O TE C TI O N I N S TR U M E NTS |
29
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