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ELR-4 / ELR-4m

 

　

ELR-4 / ELR-4m External CT. 1 operation threshold. Flag indicator. 2 TRIP relays.

Earth leakage relay with 1 operation threshold, flush mount 48x96mm. External CT. Flag indicator.


Introduction
Range ELR
Product name ELR-4(m)
Product type Residual current protection relay
Current sensors compatibility CT-1 earth leakage current sensor

Technical characteristics
Application Residual current protection relay
Supply voltage 240/415 VAC 50/60Hz
110 VAC/DC
24/48 VAC/DC (optional)
Power consumption 4 VA
Type of measurement Earth fault current internal measurement
Residual earth-leakage adjustment type 0,025...25 A
Residual earth-leakage time delay adjustment type 0,02...5 s
Earth-leakage protection class Type A
Test function Local
Output relays 1 changeover (TRIP)
5 A (240 VAC)
Display indications Green LED (power ON)
Red LED (TRIP
Red LED (ALARM)
Mechanical trip memory (version ELR-4m)
Mounting mode Flush mount 48x96 mm (ELR-4O)
Flush mount 96x48 mm (ELR-4V)
Standards IEC/EN 61010
IEC/EN 61000-6-2EN
IEC/EN 61000-6-3
IEC/TR 60755
CEI EN 60947-2 Annex M
Weight 390g

Environment
IP degree of protection IP40 front
IP20 terminals
Relative humidity 5...90%
Operating temperature -10...+60 °C
Storage temperature -20...+80 °C

Options
Tropicalization
3rd harmonic filter
Transparent cover IP65

 

 		 　
　

　

杭州嘉瑞电气有限公司 JR Electric(China) Co.,Ltd. 地址:杭州凤起东路8号江能大厦505/529室  邮编(Zip):310020

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