The company specializes in the production: high-voltage vacuum circuit breakers, high voltage isolation switch, high and low voltage arrester, insulator, drop-out fuse, bus clamps, spring (electromagnetic) operating mechanism, bus expansion joints and other high-voltage products. As the product model more, prices vary, please consult reorder, large better! Our fax order contract, confirm and sign good, and shipping. Payments are usually issued within two days. Picture for reference only, please prevail in kind ZW6-12, ZW6-12G outdoor high voltage vacuum circuit breaker ZW6-12 / 630-12.5, ZW6-12 / 630-20, ZW6-12 / T630-12.5, ZW6-12 / T630-20, ZW6-12G / 630-12.5, ZW6-12G / 630-20, ZW6-12G / T630-12.5, ZW6-12G / T630-20 ZW6-12 series vacuum circuit breaker is rated voltage 10KV, three-phase AC 50Hz outdoor high voltage switchgear, mainly used to breaking closing rural power off load current, City and small power system, overload current, short circuit current. The overall structure of the three-phase common tank type, three-phase vacuum interrupter in a metal box, use SMC insulation and white insulation and ground insulation, reliable performance, high dielectric strength. Ambient air temperature: up to + 40 ℃, lower limit of -40 ℃; Altitude: <2000m; Relative humidity: daily average of not more than 95%, on average less than 90%; pressure: not more than 700Pa (equivalent to wind speed 34m / s) according to the level of air contamination GB5582 defined as Class IV; earthquake intensity does not exceed 8 degrees.