ELR-3C Ground Leakage Protection Relay (Zero-sequence Current Detection)

Auxiliary Voltage supply: 24~48 Vacldc 110 Vac/dc;230~415 Vac±20%
Frequency: 50~60 Hz
Maximum consumption: 3 VA
Current tripping ajustment range I△N: 0.025~0,25A K=0,1 - 0.25~2.5A K=1 - 2.5~25A K=10 (25~250A To be customized)*
Tripping time adjustment range t: 0.02~0,5 sec. K=1 - 0.2~5 sec. K=10
Output: 1 changeover contact: 5A 250V
Working Temperature: -10 + 60°C
Storing Temperature: -20 +80°C
Relative humidity: <90%
Standards: CEI41-1/IEC 255/VDE 0664/IEC755/CEI 64.8/EN 61008-1(1999-11)/EN 62020(1999-09)/EN61543(1996-09)/EN61326-1(1998-04)/EN61326/A1 (1999-05)-IEC 60947-2ANNEX M
Mounting: 35mm rail type
Protection degree: IP20

Function

1.Modular exterior Design (3*17.5mm appearance width)

2.Intensive electronic circuit design, strong anti-jamming performance Intensive electronic circuit design, strong anti-jamming performance

3.Accurate grounding leakage fault protection function, suitable for power system and motor grounding fault protection Accurate grounding leakage fault protection, suitable for power system and motor grounding fault protection

4.Zero sequence current transformer detects ground fault

5.The leakage current can be set in a wide range,Min Set is 25MA and Max is 25A.

6.Action delay time set a wide range, the minimum can set 0.02 seconds, the maximum can set 5 seconds

7.The action current and the action delay can be separately adjustable

8.Manual and automatic reset can be selected by dial code switch to select

9.LED lamp indicating power input and fault state

10.TEST test key and RESET reset button

11.A product collection of multiple supply voltage inputs: 380-415VAC; 220-240VAC; 110-127VAC/DC

12.35mm Guide rail installation

Application

1.Distribution line grounding fault protection

2.General grounding fault protection load

3.Direct grounding protection

4.High resistance grounding fault protection grounding

1.	Current release setting potentiometer
2.	Trip time setting potentiometer
3.	Microswitch for programming In position 1 automatic reset, 0 manual reset Multiplication constant selection Action tripping delay time, position 1 K=10 times; Position 0 K=1 times; C.D selects tripping current times constant:position is 0 K=0.1 times C at position 1D at position 0 K=1 times; C,D at position 1 K=10 times
4.	Test button
5.	Manual reset button
6.	Green power supply normal indicator light
7.	Red TRP Fault indicator for Relay tripping

Selected Products

ELR-3C Ground Leakage Protection Relay (Zero-sequence Current Detection)

Hookup

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