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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, 20kVA S10-M Series 10kv Wond Core Type Hermetically Sealed Oil Immersed Transformer/Distribution Transformer, Sr-Jxb Series Transformer Neutral Point Overvoltage Proteclion Device 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
Get Latest Price
Production Capacity: 50000 Sets/Year
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P

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Product Catalog
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
  • Specification: IEC standard
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Open Frame
  • Function: Conventional Circuit Breaker
  • Trademark: VILLE
  • Origin: Ningbo China
Product Description
General:
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.
Features:
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.
NONameUnitData
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
Arc-chute newly producedPa<=1.33X10 -3
Storage period for 20 years< 6.6X10 -2

 
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