150 kV DISCONNECTING SWITCH

Manufacturer : ABB
Type : DBRP-170
Designation : Three-column rotary
Standard : IEC-129
Frequency : 50 Hz
Nominal voltage : 150 kV
Highest system voltage : 170 kV
Rated continuous current : 2500 A
Impulse withstand voltage ( BIL)
~ Between phases and between phases and
Earth : 750 kV
Rated short time current ( 3 sec.) : 40 kA
Type of operating mechanism
~ Main contacts of the disconnector : motor drive
~ Earthing switch : manual
Motor operating voltage : 220 VAC
Control voltage : 110 VDC
Number of pole per complete unit : 3