China OEM High Quality Main Power Disconnect Switch Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

OEM High Quality Main Power Disconnect Switch Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R

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We've one of the most advanced generation tools, experienced and qualified engineers and workers, recognized good quality manage systems and a friendly skilled product sales workforce pre/after-sales support for Short Circuit Breaker, Inline Breaker, Oil Circuit Recloser, "Quality first, Price lowest, Service best" is the spirit of our company. We sincerely welcome you to visit our company and negotiate mutual business!

OEM High Quality Main Power Disconnect Switch 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 insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for OEM High Quality Main Power Disconnect Switch Suppliers – ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: Guatemala, Zimbabwe, Vancouver, Our company is an international supplier on this kind of merchandise. We offer an amazing selection of high-quality products. Our goal is to delight you with our distinctive collection of mindful products while providing value and excellent service. Our mission is simple: To provide the best products and service to our customers at the lowest prices possible.

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