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CIRCUIT BREAKER PROFILER

Identifying slow circuit breaker operation via a predictive tool helps to prevent operating failures. The Circuit Breaker Mechanism timing test is a method of determining the operating conditions related to the reliability of breaker tripping and closing functions.


The test involves a measurement of control circuitry source voltage, coil current, and the operation of the main contacts during an opening or closing operation and analyses the coil characteristics thereby determining the breaker operating speeds. Other issues associated with breaker mechanisms can also be identified. These include faulty trip or close coils, incorrect coil application, loose connections, mechanism adjustment deficiencies or battery system issues.

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