Low-voltage air circuit breakers: the case for preventive maintenance

It has also been found that, if a circuit breaker is not tested and maintained according to the manufacturer’s instructions, the failure rate could be very high. An IEEE study shows that failure probability could reach 50% in five years and that 73% of all circuit breaker failures are disruptive to plant operations and require the technical teams’ emergency efforts to rectify. All of this can be reduced greatly if preventive maintenance is performed.

Read the article over at ee publishers here.