ZHEJIANG QIANNA ELECTRIC CO.,LTD

Update July 19, 2023

What are the leakage circuit breakers leakage leakage circuit breaker model selection principle

An earth leakage circuit breaker is a switch that automatically operates when a leakage current in a circuit exceeds a predetermined value. The commonly used leakage circuit breaker is divided into...

Update July 19, 2023

Leakage circuit breaker working principle _ leakage circuit breaker wiring diagram and the difference between leakage circuit breaker and air switch

A switch that automatically operates when the leakage current in the circuit exceeds a predetermined value. Commonly used leakage circuit breakers are divided into two types: voltage type and current...

Update July 15, 2023

What is the ELCB symbol on a water heater?

Water heaters are indispensable in every family bathroom, helping you and your loved ones always have hot water to use. With the current hot and cold products, the integration of ELCB is extremely...

Update July 15, 2023

Leakage Circuit Breaker Principle Leakage Circuit Breaker Selection

Leakage circuit breaker is mainly used to quickly cut off the power supply when personal electric shock or leakage occurs to protect personal safety and prevent electric shock accidents. Some leakage...

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