Power line should be connected at the upper end of the knife seat switch

Hand to promote the operating handle knife inserted into the trigger circuit is turned on when the static outlet. Knife switch very versatile, often used as lighting circuit power switch can also be used 5.5kW less infrequent motor starting and stopping control. The rated voltage of 250V and 500V, rated current range of 10 ~ 100A. It  air circuit breaker  that the power line should be connected to the upper end of the switch blade base, and the load is connected to the other end of the melt under the blade.  mcb circuit breaker  is a manual, short turn small current electrical switches, generally with automatic reset function, typically used on and off control circuit.