China China Wholesale 5 In 1 Switch Board Companies – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

China Wholesale 5 In 1 Switch Board Companies – ZW8-12 Vacuum Circuit Breaker – L&R

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Trustworthy good quality and excellent credit score standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality first, buyer supreme" for 33kv Circuit Breaker, Branch Circuit Breaker, Shunt Trip Breaker, Be sure to never wait to get in touch with us for anyone who is interested within our solutions. We firmly believe that our products and solutions will make you happy.

China Wholesale 5 In 1 Switch Board Companies – 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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It adheres to the tenet "Honest, industrious, enterprising, innovative" to develop new products constantly. It regards customers, success as its own success. Let us develop prosperous future hand in hand for China Wholesale 5 In 1 Switch Board Companies – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Cambodia, Munich, South Africa, With a wide range, good quality, reasonable prices and stylish designs, our items are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

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The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.