FAQWhy Zhengzhou Runner Electric Co., Ltd.?1.competitive price, good quality,have own factory 2.big capacity, supplier of state grid and power grid3.Excellent R&D team, management Product Descriptioncircuit breaker, outdoor circuit breaker, vacuum circuit breaker Advantage:Insulation test: outdoor vacuum circuit breaker main electricity loop insulation is stable and reliable;Mechanical property and environmental testing: mechanical property is stable and reliable;Temperature rise test: Vacuum interrupter with ultra-low resistance, contacting resistance is low;Testing for Turning on or off and opening or closing on rated short circuit : High vacuum breaking ability is great, insulation recovery is fast, breaker finished short-circuit current test for 30 times;Testing for short-time withstand current and peak withstand current: outdoor vacuum circuit breaker test for 4 seconds withstand current and short-time peak withstand current, power receiving ability on main loop is great;Testing for life : 30000 times finished on State new standard M2 grade.

circuit breaker technical parameters:

No	Items	Unit	Number
1	Rated voltage	KV	12
2	Rated current	A	630 or 1250
3	Rated frequency	Hz	50
4	Power frequency resisting voltage(1min)	KV	42
5	Withstand current(peak) for thunder	KV	75
6	Rated short-circuit current for turning on or off	KA	16/20/25
7	Rated short-circuit current for opening or closing (peak number)	KA	50
8	Rated peak withstand current	KA	50
9	4s short-time withstand current	KA	20
10	Rated operation cycle		s-0.1s-ms-6s-ms-6sms-60s recovery
11	Number of times for rated short-circuit current on or off	times	30
12	Life	times	30000
13	Permanent-magnet device control voltage	V	DC 220

Packaging & Shipping

circuit breaker ,vacuum circuit breaker ,outdoor circuit breaker Packaging detail:
The packaging carton size :100*50*85 cm
Carton capacity:1 set

Weight: 120kg

circuit breaker shipping:

Delivery time: After down payment, 20 working days under 200 units order

Delivery port: Shanghai, Xiamen, Qingdao, Tianjin, other customer specified

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vacuum circuit breaker circuit breaker

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Our ServicesWarranty time: 2 years24 hours*365days *years service linewe will give you the reply in 24 hours

Company Information

1.founded in 2002, registered capital is 30.1 million RMB;

2.Company covers 100000 square meters, more than 300 staffs;

3.Professional R&D team, and 5 advanced production lines, annual sales value 120 millions .

4.We have another 2 subcompanies, offices across the country, wonderful agent sales network;

5.Products are exported to more than 20 countries around the world.