moulded case circuit breaker MCCB DZ20L-160

Detailed Product Description

Leakage moulded case circuit breaker series DZ20L-160( MCCB , isolating switch ) is one of our new type products developed and manufactured adopting international advanced technology.  

The DZ20 leakage series is in mode of current operating, mainly composed by current senser, electronic units board, leakage release and breaker which have protection device of overload and short-circuit. All of the parts are installed in the moulded case. When leakage and body shock happen in the protect circuit line, reach the value of rated leakage operating current, a signal can be send and amplified from the current transformer to the electronic board. Leakage release cut off the power supply to promise the safety.

In the situation of the rush voltage 6000V, the breaker can work in normal.

Mode	Frame grade rated current(A)	Rated current(V)	Rated voltage(Hz)	Numble of poles	Rated current(A)	Rated ultimate breaking capaciry(KA)	Rated leakage operating current(mA)	Rated leakage stop current(mA)	Breaking time(S)
DZ20L-160	160	380	50	3 OR 4	50,63,80,100,125,160	12	50	25	Non-dalay type refer to table A and Daly type refer to table B
							100	50
							300	150
DZ20L-250	250				125,160,180,200,225,250	15	50	25
							100	50
							300	150
DZ20L-400	400				200,250,315,350,400	20	50	25
							100	50
							300	150
DZ20L-600	600				400,500,600		50	25
							100	50
							300	150

Table A: the breaking time of Non-dalay Leakage Series

Giving current	In	2 In	5 In
Breaking time	0.2	0.1	0.04

Table B: the breaking time of Delay Leakage Series

Delay time	In	5In
0.2S	<0.4S	0.1-0.24S
0.4S	<0.6S	0.2-0.44S

Terms:

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