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24Kv Outdoor Vacuum Circuit Breaker
  • 24Kv Outdoor Vacuum Circuit Breaker24Kv Outdoor Vacuum Circuit Breaker

24Kv Outdoor Vacuum Circuit Breaker

Model:Zw43-24 24Kv Outdoor Vacuum Circuit Breaker
The Outdoor Vacuum Circuit Breaker of the circuit breaker adopts solid sealing technology, and the external insulation adopts silicone rubber sleeve; it has long life and high reliability; the operating mechanism can adopt a miniaturized, high-reliability spring mechanism, or an advanced permanent magnet mechanism.


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Product Description

Product Description of 24Kv Outdoor Vacuum Circuit Breaker

General Outdoor Vacuum Circuit Breaker ZW43-24 Series outdoor high voltage vacuum circuit breaker is rated voltage 24kV, three phase AC 50Hz outdoor distribution equipment. Mainly used for breaking, closing power system load current, overload current and short-circuit current. Applicable to substations and power distribution in industrial and mining enterprises for protection and control purposes, and frequent operation place for rural power grids.

Outdoor Vacuum Circuit Breaker Service environment conditions

a) Ambient Air Temperature:  +45ºC ~ -45ºC
b) Humidity: Monthly average humidity 95%; Daily average humidity 90%.
c) Altitude above sea level (Maximum installation altitude): not more than 2500 meters.
d) Ambient air should be not apparently polluted by corrosive and flammable gas, vapor etc.
e) The wind speed is not greater than 35m/s.
f ) Anti-contamination level for grade IV
g) The earthquake intensity does not exceed 8 degrees.

Outdoor Vacuum Circuit Breaker Parameters

No. Item Unit Parameters
1 Rated voltage KV 24
2 Rated frequency Hz 50/60
3 Rated current A 630/1250
4 Rated short-circuit breaking current kA 20/25
5 Rated peak value withstand current(peak) kA 50/63
6 Rated short time withstand current kA 20/25
7 Rated short-circuit closing current (peak) kA 50/63
8 Mechanical life Times 10000
9 Rated short-circuit breaking current breaking number Times 30
10 Power frequency withstand voltages (1 min), wet/dry: inter-phase, earth, fracture  KV 65/79
11 Lightning impulse withstand voltage (peak) inter-phase ,earth, fracture KV 125/145
12 Rated operate sequence   O-0.3-CO-180S-CO
13 Secondary circuit 1min power frequency voltages KV 2

Outdoor Vacuum Circuit Breaker Feature And Application

The circuit breaker has the features of small size, light weight, anti-condensation, maintenance and so on. Adapt to bad weather conditions and dirty environments.

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