RCCB differential, 2P 40A 300mA AC, Easy9

There are many types of Circuit Breakers Single-Pole,two-pole that are designed to protect house wires from overheating or causing a short-circuit. The circuit breaker is for use with dishwashers, waste disposals, refrigerators, washing machines, televisions and window air conditioners. Triple and four-pole circuit breakers allso used mainly in industry