Factory Price 11kv High Voltage Disconnector Switch Isolator Switch Outdoor Vacuum Circuit Breaker

Product Description

Place of Origin: Wenzhou Zhejiang China

Brand Name: SHENGSU

Model Number: ZW32-12/630A

Rated voltage: 12KV

Mechanical life: 10000 times

Custom made: Accept special orders

Type: High Voltage

Frame Material: Stainless steel

ZW32-12 outdoor high-voltage vacuum circuit breaker is an outdoor power distribution equipment with a rated voltage of 12kV and three-phase AC 50Hz. It is mainly used for the opening and closing of load current, overload current and short-circuit current in the power system. It is suitable for the protection and control of power distribution systems in substations and industrial and mining enterprises, as well as places where rural power grids operate frequently. The circuit breaker has the characteristics of small size, light weight, anti-condensation and maintenance-free. It can adapt to harsh weather conditions and dirty environments.
Product Parameters Circuit breaker can be different from the normal use of the above provisions under the conditions of use, then the user's requirements with manufacturers to negotiate, and obtain the consensus of opinion.

No.	Description	Unit	Data
1	Rated voltage	kV	12
2	Rated frequency	Hz	50
3	Rated current	A	630	1250
4	Rated short circuit breaking current	kA	20	25
5	Rated peak withstand current	kA	50	63
6	Rated short time withstand current (4s)	kA	20	25
7	Rated short circuit making current (peak)	kA	50	63
8	Mechanical endurance	times	10000
9	Rated short circuit breaking current capacity	times	30
10	Power frequency withstand voltage (1min) Phase to phase/earth, between open contacts	kV	42
11	Lightning impulse withstand voltage (peak)	kV	75
12	Power frequency withstand voltage on secondary circuit (1 min)	V	2000

The conditions of useAmbient air temperature: - 10 ° ºC ~ + 40 ºC
Altitude: not more than 2000 m
The surrounding air can be affected by dust, smoke, corrosive gas, steam, or smoke pollution
Wind speed is less than 34 m/s
Pollution level: 111 level
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