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Ningbo Ville Electric Co., Ltd.

Circuit Breaker, Vacuum Circuit Breaker, Air Circuit Breakers manufacturer / supplier in China, offering Outdoor Hv Vacuum Circuit Breaker; Circuit Breaker, 230kv Auto Power Transformer / Power Distribution Transmission /Power Transformer, Gas Insulation Metal-Clad Switchgear Gis and so on.

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Supplier Homepage Product High Voltage Circuit Breaker Outdoor Hv Vacuum Circuit Breaker; Circuit Breaker

Outdoor Hv Vacuum Circuit Breaker; Circuit Breaker

FOB Price: US $1,000,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,000,000/ Piece
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Port: Ningbo, China
Production Capacity: 50000 Sets/Year
Payment Terms: L/C, T/T, D/P

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Circuit Breaker
24 Products
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Basic Info
  • Model NO.: ZW30-40.5/2000-31.5
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Moulded Case Circuit Breaker
  • Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
  • Transport Package: Wooden Cases
  • Origin: Ningbo China
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Open Frame
  • Function: Conventional Circuit Breaker
  • Trademark: VILLE
  • Specification: IEC standard
Product Description
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.
A, This product is for outdoor high voltage vacuum circuit breaker, the overall structure of the ceramic column, a vacuum interrupter in the porcelain, the circuit breaker under the outlet end of the use of the slider-type contact, the product has a smaller loop resistance and good oriented, the next set of ceramic pillar, to ensure live parts of the insulation, ceramic kit has absolutely bar, mounted on a common three-phase bottom box on the upper and lower porcelain comprising a charge 0.02Mpa (20 c) the provisions of gas.
B, the product with 1 to 6 can be independent of the current transformers, transformers can be installed into the circuit breaker or the outlet end of the line side, or both ends installed. Independent of the current transformer under its accuracy at any level can meet user requirements, and can be done once or twice without disturbing each other.
C, with a special trip the circuit breaker signs device that can be read at any time convenient to the vacuum interrupter trip and overtravel.
D, the circuit breaker oil with excellent cushioning buffer and sub-gate stopper.
E, the circuit breaker is equipped with CT17-IVB-type spring operating mechanism.
1Rated voltageKV40.5
2Rated insulating levelRated 1min power frequency withstand voltageDry test (fracture,phase-to-phase,phase-to-earth)95*
Wet test (to earth, external insulation)80*
Lightning impulse withstand voltage (crest)185*
3Rated currentA2000
4Rated short-circuit breaking currentKA31.5
5Rated short-circuit making current( crest)80
6Rated operative sequence0-0.3sCO**-180s-CO**
7Rated out-of-phase breaking currentKA8
8The rated single condenser group breaking currentA630
9         Rated short-circuit lasting timeS4
10         Rated short-circuit breaking timesTimes20
11Arcing timeMs<20
12Fully breaking timeMs<=85
13Mechanical endurance( CO)Times10000
14Rated charge pressureApply TD-40.5W/2000-31.5( K) Vacuum arc-chute filled with SF6Mpa0.02( 20ºC)
Apply TD-40.5W/2000-31.5( K) Vacuum arc-chute filled with dry air and pure nitrogen
15Annual leakage rate%<=1
16The degree of vacuum 
Arc-chute newly producedPa<=1.33X10 -3
Storage period for 20 years< 6.6X10 -2

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