China China Wholesale 30 Amp Distribution Box Exporters – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

China Wholesale 30 Amp Distribution Box Exporters – ZW8-12 Vacuum Circuit Breaker – L&R

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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of employees building, striving hard to boost the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and European CE Certification of Push Button Breaker, 12v Dc Circuit Breaker, Air Breaker Switch, Adhering to the business philosophy of 'customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.

China Wholesale 30 Amp Distribution Box Exporters – ZW8-12 Vacuum Circuit Breaker – L&R Detail:

Specification

Serial number	parameter name	Value
1	Rated voltage	12KV
2	Rated current	630A
3	Power frequency withstand voltage	42kV/48kV
4	Mechanical life	10000
5	Isolation new port disconnect distance	> 200mm
6	Average opening speed	1.0+0.2m/s
7	Average closing speed	0.7+0.15m/s

Parameter

Rated voltage			KV	12
Max. operating voltage			KV	12
Rated current			A	630
Rated short circuit load breaking current			KA	20
Rated short circuit making current (peak)			KA	50
Rated p-eak withstand current			KA	50
Rated short time withstand current 1 min			KA	20
Rated insulation Power level	Power frequency withstand voltage (dry)		KV	42
	Lig htning impulse withstand voltage (peak}		KV	75
Rated operating sequence				(O)-0.3s{CO)-180s (CO)
Mechanical life			time	10000
Nos of breaking rated short circuit breaking current			time	30
Rated dosing voltage of operating mechanism			V	110,220
Rated opening voltage of operating mechanism			V	110,220
Opening distance of contact			mm	11 ±1
Over travelling distance (spring compressed length of contact}			mm	3
Asynchrony of opening or closing three phases			ms	≤2
Jumping time of contact closing			ms	≤2
Average opening speed			s	1.0±0.2
Average closing speed			s	0 7±0.15
Opening time		Under highest operating voltage	s	0.015-0.05
		Under lowest operating voltage	s	0.03-0.06
Closing time			s	0.025-0.05
Main circuit resistance of each phase			卩C	≤120
Permissible abraded thickness of moving and static contacts			mm	3

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The key to our success is "Good Product Excellent, Reasonable Rate and Efficient Service" for China Wholesale 30 Amp Distribution Box Exporters – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Guyana, Lisbon, Botswana, Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.

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