Product description

      HK-3S-40.5 series outdoor on-column permanent magnet vacuum circuit breaker is a new generation of on-column intelligence developed by the company based on advanced technology at home and abroad, taking advantage of the strengths of others, adopting new design concepts, and using high-tech means. Vacuum circuit breaker.

Conditions of Use

◆ Working environment temperature: no more than 40 ° C; daily average temperature does not exceed 35 ° C; the lowest ambient air temperature is -25 ° C;
◆ Relative humidity of air: daily average is not more than 95%, monthly average is not more than 90%; average value of water vapor pressure is not more than 2.2kPa; monthly average is not more than 1.8kPa;
◆ Altitude: no more than 2000m;
◆ There is no obvious pollution from dust, smoke, corrosive and/or flammable gases, vapours or salt sprays;
◆ Vibration or ground motion from outside the switchgear and control equipment is negligible;
◆ The amplitude of induced electromagnetic interference in the secondary system does not exceed 1.6kV.

Main technical parameters of circuit breaker

Shape and installation size (mm)This product is used as the main switch of the 35kV substation, and can also be used as the on-column switch of the distribution network. It can be easily combined with various control units produced by the company to realize control, protection, star detection and communication. The device of choice for automation and miniaturization of distribution networks.