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VS1-24EM Vacuum Circuit Breaker

Basic Info

Model No.: VCB 24/1250-25M

Product Description


Vacuum Circuit Breaker


Product Type: Indoor AC HV VCB



General Description:

VS1-24EM series of vacuum Circuit Breaker is three-phase A.C. 50Hz indoor high-voltage distribution device with 24KV rated voltage and below which can match with GZS1 type cubical Switchgear. It is suitable to control and protect transmission and distribution system such as power generation plant and substation, especially used in the fields where it is frequently operated.The operating Mechanism of this series of circuit breaker is that of spring energy-stored type which can be operated by A.C. or D.C., also by manual control.



Applying ambient conditions:

1. The elevation should be no higher than 1000m.

2. Ambient temperature: The max. temperature should be +40C. The min. temperature should be -10C.

3. Relative Humidity: The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.

4. Saturated Vapour pressure:The average saturated vapour prereure of a day should be no more than 2.210-3 Mpa; The average saturated vapour prereure of a day should be no more than 1.810-3 MMpa.

5. It should be used in the places without fire, explosion, serious filth, chemical erosion and violent vibration.



Specification Sheet:







Name Unit Data
Rated Voltage kV 24
Rated current A 1250 1600 2000 2500 3150
Rated power-frequency withstand voltage kV 65
Rated lighting impulse withstand voltage kV 125
Rated short-circuit breaking current kA 20 25 31.5 40
Rated short-circuit making current kA 50 63 80 100
Rated withstand current(peak) kA 50 63 80 100
Rated duration of short circuit S 4
Operating cycles at rated short-circuit breaking current Times 30
Mechanical endurance Times 20000
Make time ms <75
Breaking time ms <65
Rated single capacitor bank breaking current A 630
Rated back-to-back capacitor bank breaking current A 400
Rated voltage of store energy motor V DC220, 110 AC220, 110
Power for opening and closing coil W 245
Overall dimension (width X depth X height) mm 588 X 429 X 563
Weight kg 100

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Product Categories : Vacuum Circuit Breake

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