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How many ON-OFF operations can a circuit breaker withstand?
Issue:
How many ON-OFF operations can a circuit breaker withstand?

Product Line:
Square D, Powerpact, Masterpact

Resolution:
This table lists the UL endurance test requirements for different frame sizes:
Frame Size (A)Full Load OperationsNo Load Operations
0-100 6,000 4,000
101-225 4,000 4,000
226-600 1,000 5,000
601-800 500 3,000
801-2500 500 2,000
2501-4000 400 1,100

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