VS1-12 indoor high-voltage vacuum circuit breaker/side mounted|Hongtuo Transformer Co., Ltd

summary:

VS1-12 series indoor mounted high-voltage vacuum circuit breaker switchgear is applicable to the three-phase power system with rated voltage of 12kV and frequency of 50Hz, and is used as protection and control equipment, especially for the places where frequent operation under rated current is required, or where the short circuit current is broken for many times.

VS1-12 series side-mounted vacuum circuit breaker is installed in a fixed way, mainly used for fixed switchgear. The circuit breaker can be used alone, and also for loop network power supply, box-type transformer or various non-standard power supply systems.

Normal use environment:

◇ Ambient temperature: not higher than 40 ° C, not lower than - 10 ° C (storage and transportation at - 30 ° C is allowed).

◇ Altitude: not more than 1000m. (If it is necessary to increase the altitude, the rated insulation level shall be increased accordingly)

◇ Relative humidity: daily average value is not more than 95%, and daily average value of saturated steam pressure is not more than 2.2 × 10 * Mpa, monthly average not more than 1.8 × 103Mpa。

◇ Seismic intensity: no more than 8.

◇ Places without fire, explosion, serious pollution, chemical corrosion and violent vibration.