China China Wholesale Metal Enclosed Switchgear Exporters – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

China Wholesale Metal Enclosed Switchgear Exporters – ZW8-12 Vacuum Circuit Breaker – L&R

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With our abundant experience and considerate products and services, we have been recognized to be a reputable supplier for a lot of global consumers for Auto Circuit Recloser, 12 Volt Power Distribution Board, Magnetic Breaker Switch, Our Enterprise Core Principle: The prestige 1st ;The quality guarantee ;The customer are supreme.

China Wholesale Metal Enclosed Switchgear 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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With sophisticated technologies and facilities, strict top quality handle, reasonable value, exceptional support and close co-operation with clients, we are devoted to furnishing the ideal worth for our clients for China Wholesale Metal Enclosed Switchgear Exporters – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Sao Paulo, Iran, Guatemala, We believe in quality and customer satisfaction achieved by a team of highly dedicated individuals. The team of our company with the use of cutting-edge technologies delivers impeccable quality products supremely adored and appreciated by our customers worldwide.

Circuit Breakers And Switches