ZW7 40.5KV outdoor Vacuum Circuit Breaker

ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker

ZW7-40.5 series outdoor high voltage vacuum circuit breaker (hereinafter referred to as “Circuit breaker”) is used for dividing load current, overload current and short circuit current in three-phase power system with AC 50Hz and rated voltage 40.5kV.

Description

ZW7 40.5KV 1250A 1600A 2000A High-quality outdoor Vacuum Circuit Breaker

Overview of ZW7-405 series outdoor Vacuum Circuit Breaker

High-quality outdoor vacuum circuit breaker, ZW7-405 series VCB is outdoor hich voltare switch eauioment with rated volase 40 5KV,  3-phase AC SOHZ, it can be open or close in remote controlling, or energy in manual charging, to open or close by hand.

Design can meet the requirements of GB1984 “AC HIGH VOLTAGE BREAKERS” and comply with the requirements of C62271:100 “HIGH VOLTAGE BREAKER” by International Electrotechnical Commission.

ZW7-40.5VCB, is mainly used for controlling and protection of the35KV outdoor transmission system. It is also suitable for normal operation or short circuit protection of urban distribution, rural distribution and mining enterprises power system.

The overal structure of this kind of product is porcelain supporting type.Vacuum Interupter is installed in upper porcelan, below is supporting porcelain. It is suitable for places need frequently operation.

With the features of good sealing, age-resistance, anti-hieh votage, no burning, no explosion, long endurance life, easier for installing and maintenance, etc.

Use environmental conditions

1.Ambientairtemperature:upperlimit+40℃lowerlimit-30℃(general area), – 40℃ (alpine region):
2.Altitude:$1000m(ifthe altitude increases the rated insulation level will be increased accordingly
3.Wind pressure: no more than 700pa (equivalent to wind speed of34m/s;
4. Seismic intensity: no more than 8 degrees;
5. Pollution level: erade V:
6.Maximum daily temperature difference: no more than 25C

Main Technical Parapeter

Outline & Installation dimensions

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