Outdoor ZW32 column vacuum circuit breaker [1] (or less) of rated voltage 12KV, three-phase AC 50Hz outdoor high voltage distribution equipment. Mainly used for breaking, closing power system load current, overload current and short circuit current. For substation and industrial and mining enterprises distribution system for protection and control purposes, more suitable for urban, rural power grid construction and transformation and frequent operation place. ZW32 vacuum circuit breaker with spring operating mechanism, can be manually operated, electric operation and remote open and close operations. It can be installed in the circuit breaker isolation switch sides, forming an outdoor high vacuum circuit breaker Outdoor high-voltage isolation switch combinations, increasing the visibility isolated fracture, and reliable interlock operation. According to user requirements, can be used with the appropriate controller with the composition of the AC high voltage vacuum recloser, automatic segmentation, a self-operating power is to achieve the ideal distribution automation equipment. The use of an external high voltage transformer structure, one of the installation can be .ZW32-12G / 1250-20, ZW32-12 pillar series outdoor high voltage vacuum circuit breaker is a three-phase AC 50hz, rated voltage 12kv outdoor high voltage switchgear. Suitable for breaking, closing load current urban or rural distribution system, overload current and short circuit current. Breaker for the new compact design, fully enclosed structure, good unique interrupter packaging technology, sealing performance, moisture, condensation, suitable for hot and humid regions. zw32-12G breaker isolation switch combination of electrical isolation switch circuit breaker by zw32 two major components. Use of the environment 1, elevation: ≤2000m and below; 2, ambient air temperature: up to + 30 ℃, lower limit of -40 ℃; 3, air pressure does not exceed 700Pa (equivalent to wind speed 34m / s); 4, amplitude: impermanence violent vibration; 5, anti-contamination level class Ⅲ switch structure characteristics 1, three-phase circuit breaker pillar structure, a stable and reliable breaking performance, no fire and explosion hazards, maintenance-free, small size, light weight and long life characteristics make . 2, the circuit breaker fully enclosed structure, good sealing performance, help to improve the moisture, condensation performance, especially for use in cold or wet areas. 3, three-phase current transformer pillars and imported outdoor epoxy resin solid insulation, or mining within the user epoxy solid insulation outsourcing silicone rubbers; high temperature resistant, UV resistant, anti-aging characteristics. 4, the actuator using miniaturized spring actuator, small storage motor power, low energy consumption sub-closing; institutional real motion transmission drive with a small number of parts, and high reliability. Actuator mechanism placed in a sealed box, to solve the problem of corrosion actuator to improve the reliability agencies. 5, the circuit breaker opening and closing operation can be manual or electric operation and remote remote control. With intelligent controller supporting implement distribution automation, the controller can also coincides with the composition of automatic recloser, sectionalizer. 6, the circuit breaker may be provided two-phase or three-phase current transformer for overcurrent or short-circuit protection, can also provide a current pickup signals to the intelligent controller; according to user requirements can be equipped with metering current transformer. 7, can take away the three-phase circuit breaker interlocking isolation switch, isolation switch opening states are visible fracture, and have anti-error interlock between the body and the circuit breaker, and only in isolation knife fully closing or fully when opening the circuit breaker is operable. Surge arresters can be connected with the post insulators, and easy maintenance. The main parameters Item Unit Parameter 1 Rated voltage KV 12 2 Rated current volume A 630 3 Power frequency withstand voltage (lmin) kV 42 4 Lightning impulse withstand voltage (peak) kV 75 5 Rated short-circuit breaking current KA 12.5,16,20 6 rated short-circuit current (peak) KA 31.5,40,50 7 Rated peak withstand current KA 31.5,40,50 8 rated short-circuit withstand current 4s KA 12.5,16,20 9 Rated operating sequence? minutes -0.3s- close combined points 10 points -180s- rated short-circuit current breaking times 3011 Mechanical life 1,000,012 times charging motor rated voltage V DC or AC220,110, DC24 13 rated operating voltage (with special spring operating mechanism) Tripping coil V DC or AC220,110, DC24 closing coil 14 over-current release rated current A 5 15 static and dynamic contact permission attrition thickness mm 3 16 weight kg 80,95 (with isolation) 17 pole distance between the centers mm 340 ± 1.5 my company [ZW20G-12 long-term watchdog circuit breaker _ specter electrical], low price, if you are on our [ZW20G-12 Watchdog specter electrical breaker _] are interested, please feel free to call the bottom, click on leave a message or QQ chat with me. 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