Product category: product center switch cabinet series product description: small volume, light weight, corrosion resistance and oxidation resistance, easy maintenance, intelligent control, safe and reliable performance features: domestic leading new switch cabinet - with abb VD4 Vacuum circuit breaker or domestic VS1 vacuum circuit breaker - rated voltage 12kV, Rated current 3150ka - cabinet structure adopts full assembly mode - cable room has enough space to connect multiple cables, easy installation and maintenance - cabinet reliable wall installation, reducing floor area - excellent handcart interchangeability - cabinet protection grade reaches IP4X - meets the requirements of GB3906 and iec-298 standards - passes all type tests and all working conditions tests     When you design, install and use our high quality products, you will benefit a lot!   Kyn28a (gzs1) - 12 indoor metal armored draw out switchgear (hereinafter referred to as switchgear) produced by Jiangsu Zhongdian power transmission and distribution equipment Co., Ltd. is a complete set of power distribution device of 12 kV Three-Phase AC 50 Hz single bus and single bus sectional system. It is mainly used for power transmission of power plants, small and medium generators, power distribution of industrial and mining enterprises and secondary substation of power system Power transmission and large-scale high-voltage motor starting are used for control, protection and monitoring. The switchgear meets the requirements of GB3906, iec-298 and other standards, and has the interlocking function of preventing the circuit breaker handcart from being pushed and pulled with load, preventing the circuit breaker from being opened and closed by mistake, preventing the circuit breaker from being closed when the grounding switch is in the closed position, preventing the circuit breaker from entering the live isolation room by mistake, and preventing the grounding switch from being closed by mistake when the grounding switch is live, It can also be matched with VS1 vacuum circuit breaker developed and manufactured by Senyuan company, which is a kind of superior power distribution device. Service conditions:             Ambient temperature and humidity             Maximum temperature daily average relative humidity   Not more than 95%             The daily average value is not more than + 40 ℃ and the monthly average relative humidity   Not more than 90%             Minimum temperature  - 40℃             The maximum altitude of equipment installation site is 2000m   The earthquake intensity is no more than 8 degrees, there is no fire, no explosion danger, serious pollution, chemical corrosion and severe earthquake place, if there are special requirements, the user and the company shall negotiate.