DZ48N-63 Series MIniature Circuit Breaker,MCB This mcb conforms with the standard of IEC60947-2. AC 50Hz 230V/400V Up to 63A.

DZ48N-63 Series MIniature Circuit Breaker

1.Application DZ48N-63 miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, 230V in singlepole, 400V in double, three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to lighting distribution system in industrial enterprise, commercially district,high-rise building and dwelling house. It conforms with the standards of IEC60898.2.Main Technical Parameter

TypeDZ48N-63

Pole			1P		2P, 3P, 4P
Rated current (A)			6,10,16,20,25,32,40,50,63
Rated voltage(V)			230		400
Type of instantaneous release			C	D	C	D
Rated short circuit breaking capacity Icn(KA)			1-40A: 650-63A: 4.5	4.5	1-40A: 6 50-63A: 4.5	4.5
Life (times)	1-32A	Electric life	4000
		Mechanical life	6000
		Operation frequency	240 times per hour
	40-63A	Electric life	4000
		Mechanical life	6000
		Operation frequency	120 times per hour

3.Applicable conducting wire

Rated current(A)	Nominal cross section of wire mm2
1-6A	1
10A	1.5
16,20A	2.5
25A	4
32A	6
40,50A	10
63A	16

4.The over-current protection property

Ambient TemperatureInitial StatusTest CurrentExpected ResultExpected ResultNote

30±2oC	Cold position	1.13In	t≥1h	Non-release	-
	Carried out immediately after previous test	1.45In	t<1h	Release	-
	Cold position	2.55In	1s<t<60s(In≤32A)	Release	Current smoothly rises to specified value within 5s
	Cold position	2.55In	1s<t<120s (In>32A)	Release
-5~+40oC	Cold position	3In	t≥0.1s	Non-release	Type B
	Cold position	5In	t<0.1s	Release	Type B
	Cold position	5In	t≥0.1s	Non-release	Type C
	Cold position	10In	t<0.1s	Release	Type C
	Cold position	10In	t≥0.1s	Non-release	Type D
	Cold position	20In	t<0.1s	Release	Type D

DZ48N-63 Series Miniature Circuit Breaker,MCB,circuit breaker