the zw20-12 outdoor column mounted vacuum circuit breaker is a three-phase ac 50hz, 10kv outdoor high-voltage switchgear mainly used in medium voltage overhead power grids, as well as in industrial and mining enterprises, power plants, and substations. it is used for breaking and closing load currents, overload currents, and short-circuit currents. this product adopts vacuum arc extinguishing method and sf6 gas insulation. the insulation sleeve of the incoming and outgoing lines is integrally cast with epoxy resin and silicone rubber. to reduce the switch volume, corner sleeves are used for phase a and c to ensure good external insulation.
can be equipped with spring operating mechanism or permanent magnet operating mechanism
meet the high reliability and maintenance free requirements of smart grid equipment
comply with national standard gb1984 and international electrotechnical commission standard iec62271-100
it can cooperate with intelligent controllers to form intelligent switches such as intelligent circuit breakers