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Magnetic breakers for motor starters

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article image Sprecher+Schuh KTA7 circuit breaker.

THE KT7 range of motor protection circuit breakers provide rapid protection and co-ordination with the Advance Control System components (ACS) from Sprecher + Schuh and NHP .

Both two and three component starters can be easily assembled. For two component starters the standard thermal magnetic type KTA7 are utilised.

Three component starters consist of a circuit breaker, contactor and overload and in this case the KTB7 magnetic only unit provides short circuit protection, while the overload takes care of the motor.

KT7 circuit breakers are available to cover motors up to 45kW and provide automatic type 2 co-ordination for motor starters.

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