Technical FAQs 4

How does an earth leakage circuit breaker work?

Our earth leakage circuit breaker is generally composed of a ZCT (Zero-phase-sequence Current Transformer) + Earth leakage relay + Circuit breaker. The ZCT detects earth leakage current, notifies the electronic circuit, and shuts off the circuit using an internal tripping device.

Can an earth leakage circuit breaker cause a fire?

A leakage current of 100 mA or more can cause a fire. An earth leakage circuit breaker detects earth leakage of approximately 15 to 30 mA, and immediately shuts off the circuit within 0.1 seconds, preventing an accident.

What is an earth leakage circuit (ELC)?

An Earth Leakage Circuit (ELC), also known as an Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD), is a crucial electrical safety device designed to protect people and property from electrical faults and the risk of electric shock.

What is earth leakage circuit breaker (MCB)?

MCB is a fundamental protection device used to restrict the current & fault within a circuit. The earth leakage circuit breaker works on the principles of current balancing which means it computes the net of inward current as well as outgoing current.

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