General KYN28A-12 type metalclad withdrawable switchgear is a complete set of three phase AC indoor device and applicable to the singlebusbar and single busbar section power system of which the rated voltage is 3.6 to 12 kV,the reated frequency is 50/60Hz,Having perfect"five prevention"function,Used for power reception and power distribution,the device is mainly used in power plant,transformer substation,industrial and mining enterprises and high building,Having the function of controlling,protecting and monitoring the circuit. Standards: - KYN28A-12 switchgear meets the following domestic and international standards: IEC62271-200, GB3906, GB/T11022, DL/T404, etc.. Working condition: Normal working condition Ambient temperature: - Maximum temperature +40 C - Average value is no more than +35 C - Minimum temperature -15 C Ambient humidity - Daily average relative humidity of 95% and below - Average relative humidity of 90% and below - Maximum altitude of 1000 meters of the place of installation - Earthquake intensity is not more than 8 degrees, there is no fire, explosion danger, serious pollution, chemical corrosion and violent vibration. Technical data:
