China China Wholesale 8 Inch Drain Distribution Box Supplier – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

China Wholesale 8 Inch Drain Distribution Box Supplier – ZW8-12 Vacuum Circuit Breaker – L&R

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To meet the customers' over-expected pleasure , we have now our solid crew to supply our greatest all round assistance which includes marketing, sales, planning, production, top quality controlling, packing, warehousing and logistics for Final Distribution Substation, Reset Breaker Switch, Thermal Trip Switch, And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

China Wholesale 8 Inch Drain Distribution Box Supplier – 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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We have now a hugely efficient team to deal with inquiries from buyers. Our goal is "100% client gratification by our solution high-quality, rate & our team service" and take pleasure in a great popularity among clients. With several factories, we will provide a wide assortment of China Wholesale 8 Inch Drain Distribution Box Supplier – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: USA, Guatemala, Riyadh, We have many years' experience in hair product production, and our strict QC Team and skilled workers will ensure that we give you top hair products with the best hair quality and workmanship. You will get successful business if you choose to cooperate with such a professional manufacturer. Welcome your order cooperation!

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This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.

By Erica from Hamburg - 2017.01.28 19:59

With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.

By Alice from Ghana - 2018.11.04 10:32

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