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FNM1(4P) Series Moulded Case Circuit Breaker
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1.Wire connection type:Frontplate connection;Backplate connection;Plug-in connection.
2.Over-current tripping type: thermal-electromagnetic(combined) type; Electromagnetic type. 3.A type: Without over-current trip,N pole keeps connecting. B type: Without over-current trip,N pole operate swith other three poles. C type: With over-current trip,N pole operate swith other three poles. D type: With over-current trip,N pole keeps connecting. |
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