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It provides power to 3 conductors simultaneously, and more importantly, disconnects all three conductors simultaneously in case of a fault. A three pole breaker is used with a three phase power system.

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16y ago

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Rating of a 3 pole circuit breaker is the same for each conductor?

Yes, the rating of a 3 pole circuit breaker is the same for each conductor that is connected to it. A three pole breaker rated at 30 amps will have 3 #10 wires from it that connect to the load.


What difference between using 4poles circuit breaker and using 3 single pole breakers?

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What is a double pole breaker and how does it differ from a single pole breaker in terms of electrical circuit protection?

A double pole breaker is a type of circuit breaker that controls two separate electrical circuits at the same time. It differs from a single pole breaker in that it can disconnect both the hot and neutral wires in a circuit, providing greater protection against overloads and short circuits. This makes it suitable for larger appliances or circuits that require more power.


What is the purpose of a 50 amp 2 pole breaker in an electrical circuit?

The purpose of a 50 amp 2 pole breaker in an electrical circuit is to protect the circuit from overloading by disconnecting the power when the current exceeds 50 amps.


Can you use a 2 pole breaker for a 120 volt single phase circuit?

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