1.High quality and good peformance. 2.IEC 62271-102 standard,high voltage disconnector 3.High voltage outdoor AC disconnector.

ABB outdoor column isolation is a single-phase isolation switch, it provides a visible fracture of maintenance personnel, can be used as asub-breakpoint. The structure of double-cdumn isolation switch, insulator bolt locked in a hot-dip zinc corrosion protection on the base, pull ring can be operated isolating switch. 

Rated voltage(kV)	12
Rated Current (A)	630/900
3S heat steady  Current (kA)	25(3S)
Rated Peak Withstand Current (kA)	63
Power Frequency Dry Withstand Voltage (kV)	To earth-54 Interrupting point-61.5
Lighting Impulse Withstand Voltage (kV)	110
Momentary current (kA)	40

Operation environment

Altitude No more than 1000m

Surrounding temperature between -10°C to +40°C

Working situation no conductivity dust

No corrosive gas of effect insulation and destroy metal.

Without violent vibration and striking.

Have no explosive danger and fire.