what is elcb

4 Pole ELCB Earth Leakage Circuit Breaker , 300mA ,500mA ELCB 3 phase 440V up 60A adjustable current

VFL001 ELCB Earth Leakage Circuit Breaker TYPE AC, TYPE A, TYPE ASi

100A Curve D ELCB Circuit Breaker Earth Leakage Protection Unit

ELCB MCCB MCB 6 Way Db Box 3 Phase Flush Din Rail Mounted

Multimeter Electrical RCD Test Equipment，Digital ELCB Tester Ergonomic Design

LBQ-III 1000mA Portable Leakage Current Test Equipment , ELCB Operation Testing Equipment

Non Contact LCD 300V Digital Rcd Elcb Tester GT5206A

16A 32A 40A 63A ELCB RCD Circuit Breaker RCCB Residual Current Breaker

NB7LE Elcb Earth Leakage Circuit Breaker 6~63A 1P 2P 3P 4P AC230/400V 50~60Hz

Residual Current Circuit Breaker Earth Leakage ELCB 30 300 500mA

16A 30MA Earth Leakage Circuit Breaker 1p+N C16 Elcb Rccb Rcd Rcbo

RCCB ELCB SCB8LE Residual Current Circuit Breaker

High Quality 2p 63A 30mA Magnetic RCCB/ELCB circuit breaker

Instant Electric Water Heater With Cast Aluminium Heater LED Display And ELCB Leakage Protection

Original Mitsubishi breaker Mitsubishi AE NF NF63-CW BH-D6 ELCB NV30-CS 3p 25A

Vocational Training Tools And Equipment Electrical Lab Equipment Electrical Measuring and Testing Module