断路器具有很强的灭弧能力，既能切断负荷电流，也能切断短路电流。
Interrupter circuit breaker has a strong ability to both cut off the load current, but also cut off the short-circuit current.
如果电线短路，请在主控箱切断电源。
If electric wiring is shorting out, shut off the electric current at the main box.
所谓限流就是熔断器在短路电流达到峰值之前就将其切断的功能。
The current limit is fuse in short circuit current peak before cutting off its function.
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