Indoor Metal Armored Withdrawable Switchgear
Overview
KYN28-12 indoor metal armored withdrawable switchgear is a complete set of power distribution device for
indoor 3.6-12kv three-phase current 50Hz single busbar and single busbar segment system.
It is mainly used for power transmission of power plants and small and medium-sized generators, power distribution of industrial
and mining enterprises, power reception and power transmission of secondary substations of power systems, large-scale
high-voltage motors, etc. It is used for control, protection and detection.
It's made up of aluminum-zinc plate, fully enclosed structure. The upper part is the busbar chamber, the middle part is the handcart chamber,
and the lower part is the cable chamber. Instruments and relays are installed in the instrument room in front of the upper part of the cabinet.
It has the functions of overhead incoming and outgoing lines and left and right connections.
Parameter
Installation environment
1.Ambient air temperature: upper limit +40°C, lower limit -15°C
2.Altitude: The maximum altitude of the equipment installation site is 2000m (2000m selects the high altitude type)
3.Environmental humidity: daily average relative humidity ≤ 95%, monthly average relative humidity ≤ 90%
4.Earthquake: Intensity not exceeding magnitude 8
5.The surrounding air should not be significantly polluted by corrosive or flammable gases, water vapor, etc.
6. No serious contamination and frequent violent vibrations. Severe conditions designed to meet Category 1 requirements
*Special working conditions: When used under normal environmental conditions specified in GB3906, it shall be
negotiated by the user and the manufacturer.





Welcome for enquiry and factory visit!