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

China Wholesale Substation Design Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R

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China Wholesale Substation Design 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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We've been commitment to offer the competitive rate ,outstanding merchandise good quality, too as fast delivery for China Wholesale Substation Design Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Mombasa, Egypt, The Swiss, We look forward to hearing from you, whether you are a returning customer or a new one. We hope you will find what you are looking for here, if not, please contact us immediately. We pride ourselves on top notch customer service and response. Thank you for your business and support!

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