VS1/R-12 Series of Indoor High Voltage Vacuum Circuit Breaker
With Lateral Operating Mechanism


ΔGeneral Description
VS1/R12 series of Indoor High Votage Vacuum Circuit Breaker With Lateral Operating Mechanism used spring to storage energy.The operating mechanism can be operated by two ways:by manual and electromotive operation.The characteristics is accordance with GB1984-2003 High voltage AC circuit breaker,JB3855-1998 3.6-4.5KV Indoor AC High voltage circuit breaker and IEC standard 62271-100:2001High voltage AC circuit breaker.


ΔApplying ambient conditions
1. Ambient temperature:-15oC~+40oC.
2. 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%.
3. Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
4. The height above sea level:1000m
5. Earthquake intensity:not exceed 8 degrees.
6. It should be installed in the places without fire,explosion,serious filth,chemical erosion and violent vibration.

Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products.

Our company professional developed: ZN63A(VS1)-12 VCB (vacuum circuit breaker), ERFA (ZN73A)-12 permanent magent VCB, ZN163 (ZN)-24 VCB, ERFA-40.5 VCB, ect.