China China Wholesale Types Of Substations Manufacturers – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

China Wholesale Types Of Substations Manufacturers – ZW8-12 Vacuum Circuit Breaker – L&R

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Bear "Customer first, Quality first" in mind, we work closely with our customers and provide them with efficient and professional services for Hot Line Tag Recloser, Power Distribution Panel Board, Substation Voltage, Customers first! Whatever you require, we should do our utmost to help you. We warmly welcome customers from all over the world to cooperate with us for mutual development.

China Wholesale Types Of Substations 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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We have now our possess revenue group, design staff, technical crew, QC team and package group. We now have strict excellent regulate procedures for each process. Also, all of our workers are experienced in printing subject for China Wholesale Types Of Substations Manufacturers – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Durban, Spain, Porto, We follow up the career and aspiration of our elder generation, and we are eager to open up a new prospect in this field, We insist on "Integrity, Profession, Win-win Cooperation", because we have a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.

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The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.

By April from Zurich - 2018.06.18 17:25

The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.

By Lisa from Czech Republic - 2018.09.16 11:31

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