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

ZW7 Vacuum Circuit Breaker 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.

33kV 50Hz Circuit Breaker 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

33kV Outdoor Circuit Breaker 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.

33kV Automatic Circuit Breaker Main Technical Parameters

Note:Please contact the factory to confirm the latest parameters

Overall and installation dimension