China Discount Cheap Hv Disconnect Switch Manufacturers – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

Discount Cheap Hv Disconnect Switch Manufacturers – ZW8-12 Vacuum Circuit Breaker – L&R

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We have now a skilled, performance group to offer excellent support for our consumer. We usually follow the tenet of customer-oriented, details-focused for Temporary Distribution Board, Mv Switchgear Panel, Lv Mv Hv Switchgear, We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our factory and purchase our products.

Discount Cheap Hv Disconnect Switch Manufacturers – 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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The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.

By Elaine from Peru - 2018.09.16 11:31

We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.

By Poppy from Bahrain - 2018.11.28 16:25

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