indoor high-voltage vacuum circuit breaker (ZN85-4
Emily Lin
Contact person
Basic Information
| Place of Origin | Zhejiang China (Mainland) |
|---|---|
| Brand Name | YongGao |
| Model Number | ZN85-40.5/2000-31.5 |
| Type | High Voltage |
| Poles Number | 3 |
Summary: The indoor high-voltage vacuumcircuit breaker is suitable for three-phase ac 50Hz, 40.5 kV system, it’s available for industrial and mining enterprises, power plant and substation as points close load current, overload current, short-circuit current, and applies to frequent operation occasion. Main technical parameters: ItemUnitParameterrated voltageKV40.5one minute power frequency withstand voltage(RMS)KV95draught of thunder withstand voltage(peak value)KV185rated frequencyHz50rated currentA1250,1600,2000rated short-time withstand currentKA25,31.5rated peak withstand currentKA63,80rated short-circuit duration times4rated short-circuit breaking currentKA25,31.5rated short-circuit closing currentKA63,80rated operating sequence0-0.3s-C0-180s-C0breaking timems<80rated short-circuit breaking current breaking timestimes20single capacitor breaking currentA630back-to-back capacitor set breaking currentA400rated operating voltageV-110/-110,-220/-220mechanical lifetimes10000
Delivery terms and packaging
Port: NINGBO/SHANGHAI
Payment term
Letter of credit
Telegraphic transfer
Western Union
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Payment Methods
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