Factory wholesale Earth Circuit Breaker - ZW7/CT(built-in) 33kV Outdoor Transformer Substation Vacuum Circuit Breaker – Aiso

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Factory wholesale Earth Circuit Breaker - ZW7/CT(built-in) 33kV Outdoor Transformer Substation Vacuum Circuit Breaker – Aiso Detail:

Product Description

ZW7/CT(built-in) 33kV Outdoor Transformer Substation Vacuum Circuit Breaker :

Applicable place: (Suitable for frequent operating places)

1.Urban,rural network.

2.Industrial enterprises.

It is mainly used in outdoor 40.5KV distribution system to control and protect.

 

 

Advantages

1.It conforms to GB1984-89 and IEC56“AC high voltage circuit breaker”.

2.It can be charged and switched by remote control switch or by hand.

3.Good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.

4.It is composed of spring operating mechanism or electromagnetic operating mechanism.

5.Its overall structure is supported by porcelain insulator, vacuum interrupter built in upper insulator, downside insulator used for supporting. The breaker applies

 

 

Environmental Conditions 

Ambient temperature:-15°C~+40°C
Relative humidity:≤95%or≤90%

The daily average saturated vapor pressure:≤2.2KPa;

The monthly average value:≤1.8KPa.

Altitude:≤1000m

Seismic intensity:≤8

*No fire, explosion, serious filthy, chemical corrosion and violent vibration of places.

 

Main Technical Parameters

Description	Unit	Data
Rated voltage	KV	33
Rated current	A	630
Rated frequency	Hz	50/60
Rated short-circuit brekaing current	kA	20/25/31.5/40
Meachical life	Time	10000

Note:Please contact the factory to confirm the latest parameters

Overall and installation dimension

 

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Product detail pictures:

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Related Product Guide:

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