China Best High Quality Pole mounted isolator Suppliers - ZW8-12 Vacuum Circuit Breaker – L&R Manufacture and Factory

Best High Quality Pole mounted isolator Suppliers - ZW8-12 Vacuum Circuit Breaker – L&R

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Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Lv Mv Hv Switchgear, Dual Pole Circuit Breaker, Outdoor Type Switchgear, Our company eagerly looks ahead to setting up long-term and pleasant small business partner associations with customers and businessmen from everywhere in the entire world.

Best High Quality Pole mounted isolator 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 are experienced manufacturer. Wining the majority from the crucial certifications of its market for Best High Quality Pole mounted isolator Suppliers - ZW8-12 Vacuum Circuit Breaker – L&R , The product will supply to all over the world, such as: United States, Hungary, Japan, We always adhere to follow the honesty, mutual benefit, common development, after years of development and the tireless efforts of all staff, now has perfect export system, diversified logistics solutions, thorough meet customer shipping, air transport, international express and logistics services. Elaborate one-stop sourcing platform for our customers!

11kv 200amp