Low Voltage Column Mounted Circuit Breaker Lower Wiring
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When wiring from the bottom, because there are soft connections, bimetal, heating elements, etc. in front of the moving contact Lv Pole Mounted Circuit Breakers rod (the back when wiring from the top), there is a recovery voltage on the moving contact, the breaking condition is harsh, the arcing time is long, and it may cause phase-to-phase breakdown short circuit.
