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Basic specification and main parameters
Model:DZ47DC
Rated working voltage:240V/415V
Rated frequency:50/60Hz
Rated working current:32A
Making and breaking capacity:6000A(6~40A),4500A(50,63A)
Release type:B,C,D
Poles:1P
Mechanical life:20000
Electric life:4000
Small DC circuit breaker, DZ47DC/1P 2P switching power supply. Product Function: Small DC circuit breaker with super current limiting performance, can accurately protect the relay protection, automatic device from overload, short circuit and other fault hazards. DC circuit breaker has the advantage of current limiting and arc extinguishing. Through a large number of comprehensive scientific tests, it can realize the full selective protection between main (sub) screen, protection screen and relay screen in DC system below 63Ah. DC circuit breaker adopts special arc extinguishing and current limiting system, which can quickly break the fault current of DC distribution system and greatly improve the stage difference coordination. DC circuit breakers are especially aimed at the accidents of step tripping between test and protection panel and distributor panel in DC system of electric power engineering. The series of DC circuit breakers have excellent performances and can avoid the above-mentioned faults.