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Outdoor HV Porcelain Stanchion Type Vacuum Circuit Breaker Filled With SF6

Outdoor HV Porcelain Stanchion Type Vacuum Circuit Breaker Filled With SF6

Brand Name:Tianan Electric
Certification:VDE ISO9001-2000 CE
Model Number:ZW30-40.5/2000-31.5
Minimum Order Quantity:1 unit
Delivery Time:35 work days
Payment Terms:L/C, D/A, D/P, T/T, MoneyGram, Western Union
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Location: Ningbo Zhejiang China
Address: 3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040
Supplier`s last login times: within 25 hours
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Product Details

Outdoor HV Porcelain Stanchion Type Vacuum Circuit Breaker Filled With SF6


Overview

ZW30-40.5/2000-31.5 outdoor HV vacuum circuit breaker (hereinafter referred to as ZW30-40.5) can be used in the power system with rated voltage 40.5KV, rated current 2000A and three - phase AC 50Hz to protect the equipment in the industrial and mineral enterprises, power plants and substations, which can be used as a connecting circuit breaker in the workplaces of frequent operation.
This product complies with the standards of the GB1984-89 AC HV Circuit Breaker, IEC56 HV AC Circuit Breaker and JB3385-1996 3.6-40.5KV Indoor AC HV Vacuum Circuit Breakers.

Parameters


No.NameUnitValue
1Rated voltagekV40.5
2Rated insulation level1min power frequency withstand voltageDry Test (fracture, phase-to-phase, to earth)95*
Wet test (to earth, external insulation)80*
Lightning impulse withstand voltage (peak)185*
3Rated currentA2000
4Rated short circuit breaking currentkA31.5
5Rated short-time making current(peak)80
6Rated operating sequence0-0.3sCO**-180s-CO**
7Rated out-of-phase breaking currentkA8
8Rated single capacitor bank breaking currentA630
9Rated duration of short circuits4
10Rated short circuit breaking current breaking timesTime20
11Arcing timems<20
12Total breaking timems≤85
13Mechanical endurance (CO)Time10000
14Rated gas-charged pressureFilling with SF6 when TD-40.5W/2000-31.5(K)vacuum arc extinguishing chamber is usedMpa0.02(20℃)
Filling with dry air or high purity nitrogen when TD-40.5W/2000-31.5(K)vacuum arc extinguishing chamber is used
15Yearly gas leakage rate≤1
16Vacuum degree of vacuum arcing chamberFresh-from-the factory arcing chamberPa≤1.33X10-3
Storage period of 20 years< 6.6X10-2

China Outdoor HV Porcelain Stanchion Type Vacuum Circuit Breaker Filled With SF6 supplier

Outdoor HV Porcelain Stanchion Type Vacuum Circuit Breaker Filled With SF6

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