DZ49-63 Series MIniature Circuit Breaker,MCB This mcb conforrms with the standard of IEC60947-2. AC 50Hz 230V/400V Up to 63A.

DZ49-63 Series MIniature Circuit Breaker

1.Application DZ49-63 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and short circuit, and rated current up to 63A. It can also beused for infrequent line conversion under the normal condition.The breaker is applicable tolighting distribution system in industrial enterprise, commercially district, high-rise building anddwelling house. It conforms with the standards of IEC60898.2.Main Technical Parameter

TypeDZ49-63

Pole	1P			2P, 3P, 4P
Rated current (A)			6,10,16,20,25,32,40,50,63
Rated voltage(V)	230			400
Ambient temperature			-5C~+40C
Type of instantaneous release	C		D	C	D
Rated short circuit breaking capacity(KA)	1-32A: 650-63A: 4		4	1-32A: 650-63A: 4	4

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±2C	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~+40C	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

DZ49-63 Series Miniature Circuit Breaker,MCB,circuit breaker