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What is meant by LSO regarding circuit breaker trip units?
Issue:
What is the meaning of LSO in circuit breaker trip unit?

Product Line:
Molded Case Circuit Breaker

Environment:
Circuit Breaker Trip Unit

Resolution:
Long time adjustability and short time adjustability without delay. Short time without delay is a function of the long time setting. This differs from instantaneous, which is a function of the sensor rating. IEC rated only

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