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

Basic Info

Model No.:  VS1

Product Description

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 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 
Item unit Data
Rated voltage kV 24
1 min power frequency withstand voltage kV 65
Lightning impulse withstand voltage kV 125
Rated frequency Hz 50
Rated current A 2000
Rated short-time withstand current kA 20,25,31.5
Rated peak withstand current kA 50,63,80
Rated short-circuit breaking current kA 20,25,31.5
Rated short-circuit closing current kA 50,63,80
Rated short-circuit duration S 4
Contact over-travel mm 3.5±0.5
Clearance between open contacts mm 13±1
Average opening speed m/s 1.3±0.3
Average closing speed m/s 0.8±0.2
Opening time ms 35-60
Closing time ms 20-45
Rated operation sequence   O-0.3s-CO-180s-CO(<40kA)/
Mechanical life cycles 10000

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 details Standard export package (wooden case) suitable for long-distance ocean transportation and though handling
Delivery details Depends 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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