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Mingde Electrical (Shanghai) Co., Ltd.

Circuit Breaker, Breaker, Vacuum Circuit Breaker manufacturer / supplier in China, offering 24kv-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers, 17.5kv -2500A Vmd Indoor Three Phase Vcb in Switchgear, Contact Box Md/150 and so on.

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24kv-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers

Purchase Qty.:
1-99 100+
FOB Unit Price: US $1,460 US $1,120
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $1,460
100+ US $1,120
Get Latest Price
Production Capacity: 22000PCS/Per Year Circuit Breaker
Transport Package: Wooden Case Circuit Breaker
Payment Terms: L/C, T/T, Western Union, Paypal

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Product of Indoor Vacuum Circuit Breaker
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Basic Info
  • Model NO.: VS1
  • Operation: Manual & Electric Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Structure: Vcb Circuit Breaker
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, Ohsas 180001
  • Rated Current: 2000A Circuit Breaker
  • Rated Frequency: 50Hz Circuit Breaker
  • Specification: CE, ISO9001, OHSAS18001
  • HS Code: 8535210000
  • Breaking Capacity: Middle& High Voltage Circuit Breaker
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed & Withdrawable Circuit Breaker
  • Poles Number: 3
  • Function: Overcurrent Protection
  • Rated Voltage: 24kv Circuit Breaker
  • Mechnical Life: 1000times Circuit Breaker
  • Trademark: Mingde Circuit Breaker
  • Origin: Zhejiang Ningbo Circuit Breaker
Product Description
24kV-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers


1. VS1A series of vacuum circuit breakers are the Second Generation indoor switch equipment, with the rated voltage 7.2kv, 12kv, 17.5kv and 24kv.
2. VS1A series of vacuum circuit breakers adopt the integrated design of simple structure and convenient operation.
3. It is equipped with a perfect mechanical and electrical interlock to enhance its anti-incorrect operation performance.
4. Standards: IEC62271-100, IEC56, GB1984-2003, GB/T11022, DL/T403-2000, etc.

Main Specifications and Technical Parameters 

Rated voltagekV24
1 min power frequency withstand voltagekV65
Lightning impulse withstand voltagekV125
Rated frequencyHz50
Rated currentA2000
Rated short-time withstand currentkA20,25,31.5
Rated peak withstand currentkA50,63,80
Rated short-circuit breaking currentkA20,25,31.5
Rated short-circuit closing currentkA50,63,80
Rated short-circuit durationS4
Contact over-travel mm3.5±0.5
Clearance between open contactsmm13±1
Average opening speedm/s1.3±0.3
Average closing speedm/s0.8±0.2
Opening time ms35-60
Closing timems20-45
Rated operation sequence O-0.3s-CO-180s-CO(<40kA)/
Mechanical lifecycles10000

Normal Operating Environment Condition

a) Normal operating environment condition
Highest temperature:                  +40ºC
Lowest temperature:                   -15ºC
b) Environment humidity
Daily mean relative humidity:        ≤95%
Monthly mean relative humidity:     ≤90%
Daily mean saturated vapor pressure:   ≤2.2×10-3 MPa
Monthly mean saturated vapor pressure:  ≤1.8×10-3 MPa
c) Altitude: below 1000m area;
d) Earthquake intensity: no more than 8 degree;
e) The product shall be away from weep, fire and explosion, chemical corrosion and strenuous vibration 

Special Operating Condition

Please consult with manufacturer on manufacturing technology when operating environment is the climatic environment with high altitude, high humidity and great temperature change or other special environment condition.

Packing & Delivery
Packing detailsStandard export package (wooden case) suitable for long-distance ocean transportation and though handling
Delivery detailsDepends on ordered quantity

24kv-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers
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24kv-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers


24kv-2000A Vs1 Indoor Embedded Structure Vacuum Circuit Breakers
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