Circuit Breaker Repair Process

Coastal Switchgear service technicians implement the highest quality standards when repairing your circuit breaker.

A.	The breaker is disassembled to the smallest assembly to allow for a detailed visual inspection. If needed:
	1.	Damaged frames are replaced, repaired or repainted.
	2.	Bases and covers are cleaned.
	3.	Moving and stationary contacts, contact structures, and primary and secondary disconnects are polished and resurfaced, retipped and silverplated, or replaced.
	4.	The operating mechanism is checked for bent, broken or worn parts.
	5.	All undervoltage releases are replaced.
	6.	Programmers are repaired and PC boards replaced.
	7.	Current transformers are rewound.
	8.	All auxiliary devices are tested and replaced if manufacturer specifications are not met.
	9.	Auxiliary switches and brackets are insulated.
	10.	Trip units are calibrated.

B.	The breaker is reassembled to factory specifications.

C.	A final inspection and operations test is performed and documented.

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