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METHOD AND CIRCUIT BREAKER FOR REDUCING ARC FLASH DURING MAINTENANCE IN A LOW VOLTAGE POWER CIRCUIT
METHOD AND CIRCUIT BREAKER FOR REDUCING ARC FLASH DURING MAINTENANCE IN A LOW VOLTAGE POWER CIRCUIT
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机译：用于在低压电源电路中进行维护时减少电弧闪光的方法和断路器
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摘要
Maintenance trip functions override the normal or specified trip functions of a low voltage circuit breaker to reduce pickup currents and/or time delays to effect faster trips, which reduces arc energy produced by faults during maintenance or testing on a live circuit breaker.
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