ML7-63 Series Miniature Circuit Breaker

 

1. Main technical Parameter.

 

Type			ML7-63
Pole			1P	2P	3P	4P
Weight(kg)			0.1	0.2	0.3	0.4
Rated current (A)			1,2,3,4,6,10,16,20,25,32,40,50,63
Rated voltage(V)			240		415
Type of instantaneous release			B,C,D
Triping Device			Thermal-coil magnetic
Rated short circuit breaking capacity Icn(KA)			10
Life (times)	1-32A	Electric life	8000
		Mechanical life	20000
		Operation frequency	240 times per hour
	40-63A	Electric life	8000
		Mechanical life	20000
		Operation frequency	120     mes per hour

 

 

2. 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

 

3.The over-current protection property.

 

Ambient Temperature	Initial Status	Test Current	Expected Result	Expected Result	Note
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

 

4.Dimension.

 

 

We are also one of the leading manufacturers and exporters of a wide range of SMC Pole Mounted Junction Boxes (Street Light Boxes). These are manufactured using high grade material and are provided with a protection cover to avoid shocks. These boxes are highly durable and are offered in standard specifications to our clients.

We apply a policy of continuous development of its products and reserves the right to make changes in the specifications and technical characteristics without notice, For further information please contact Morstar.