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Shunt Trip Breaker Wiring Diagram

Sikandar Haidar 8 Comments

Shunt trip breaker wiring diagram, This post is about the single wiring diagram of the MCCB shunt trip breaker. In the diagram, an MCCB (moulded case circuit breaker) is shown which is wired for 3 phase system. The breaker shunt trip coil is controlled by the emergency switch. Which is also known by the name of the kill switch.

MCCB Shunt Trip Breaker Wiring Diagram With Kill Switch

shunt trip breaker wiring diagram

In the above MCCB shunt trip breaker wiring diagram. The incoming 3-phase 4-wire system supply is shown. The shunt breaker is 3 pole. Which is used for the 3-phase system. But the coil of the shunt is 220 VAC. So neutral is required also. The neutral wire is connected to the shunt coil. And line wire is controlled with a kill switch. The kill switch normally open contacts are used. Also, the symbol diagram is shown.

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