Expected lifespan of power circuit breakers?

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Nagesh Sharma

Depends upon environmental and operational conditions.. Minimum 20 years.

Nallasaravanan Nallaramadoss

Expected lifespan of power circuit breakers in 30 to 40 years.

Bhupendra Desai

More than 20 years, though it depends on the operational use, mainly wear and tare of contacts by heat, at making and breaking during faults and over loading, the life consuming cost. I work for finding life span of power transformers based on allowable daily life consuming cost, could use the same type of online strategis......