Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
OHSAS18001:2007, ISO9001:2015, ISO14001:2015
OEM/ODM Availability:
OEM/ODM Service

Circuit Breaker, Vacuum Breaker, Vcb manufacturer / supplier in China, offering Vs1-12/24kv Indoor Vacuum Circuit Breaker, Fixed Metal-Clad Switchgear, Xgn-12 Sf6-Insulated Ring Main Unit Switchgear and so on.

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Vs1-12/24kv Indoor Vacuum Circuit Breaker

Get Latest Price
Purchase Qty. / Reference FOB Price
1-4 Pieces US $1,200
5+ Pieces US $1,000
Port: Ningbo, China
Production Capacity: 3000 Set/Year
Payment Terms: L/C, T/T, D/P, Western Union
Transport Package: Wood Case
Trademark: Canin
Origin: Zhejiang, China

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Basic Info

Model NO.
VS1 -12
HS Code
Product Description
ZN63(VS1)-12 series h.v vacuum breaker is h.v indoor switch device with rated voltage 12kv,three-phase AC 50Hz,imported Swiss ABB company technology,combines domestic industry development situation and production.the whole structure of product is the form of integrated installation taking switch body as operating mechanism,adopt the combination insulation structure,no pollution,no explosion danger,high insulation lever.Operating mechanism of the type products is spring energy storage type,it can be AC or DC operated,also be operated by hand.
The use of environmental conditions
1.Ambient temperature: not higher than +40 °C, not less than -15°C(at -30 °C to allow storage and transportation).
2. Altitude: not exceed 1000m.
3. Relative humidity: daily average of not more than 90%, month average of not more than 90%. saturated vapor pressure daily average of not more than 2.2 × 10-3MPa, month average not more than 1.8 × 10-3MPa.
4. Earthquake intensity: not more than eight.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
Detailed Specifications of Indoor vacuum circuit breaker
Rated voltageKV11/12/24/33
Rated currentA1250/1600/2000/25001250/1600/2500/31501250/2500/3150
Rated short circuit dropout currentKA31.54050
Rated short circuit close current(peak)KA80100125
Rated peak withstand currentKA80100125
4s rated short time withstand currentKA31.54050
Rated insulation levelShort time(1min)line frequency withstand voltageKV42(fracture48)
Thunder impulse withstand voltageKV75(fracture85)
Mechanical lifetimes10000
Open circuit times of rated short circuit dropout currenttimes50
Rated close brake voltage of operating mechanism(DC)V110/220
Rated break brake voltage of operating mechanism(DC)V110/220
Rated contactor pressureN3000±2005000±3006300±300
Contactor torquemm11±1
Contactor stoke(the reduction length of contact spring)mm3.5±0.5
Different period of contactor break and close valvems≤2
The jump time of contactor close brakems≤2
Average break brake speedm/s0.9-1.2
Average close brake speedm/s0.5-0.8
Break brake timeUnder Max operation voltages≤0.05
Under Min operation voltages≤0.08
Close brake times≤0.1
Main loop resistance of each phaseμΩ≤50
Allowable abrasion total thickness of active and static contactormm3
Features of Indoor high voltage vacuum circuit breaker
Vs1-12/24kv Indoor Vacuum Circuit Breaker


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