China China Wholesale Need Of Electrical Substation Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

China Wholesale Need Of Electrical Substation Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R

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China Wholesale Need Of Electrical Substation Suppliers – 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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Our primary objective is always to offer our clients a serious and responsible small business relationship, offering personalized attention to all of them for China Wholesale Need Of Electrical Substation Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Peru, Grenada, Algeria, Our company mission is that providing high quality and beautiful products with reasonable price and strive to gain 100% good reputation from our clients. We believe Profession achieves excellence! We welcome you to cooperate with us and grow up together.

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The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.

By mary rash from Egypt - 2017.03.28 16:34

The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.

By Cheryl from Washington - 2018.06.03 10:17

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