Design
The cubicle is a metal enclosure made of high-quality steel with aluminium-zinc alloy coating. Joints are made of heavy-duty steel blind rivets and threaded fasteners. Cubicle external elements, such as front doors, side panels of cubicles at far ends of a row, etc., have powder coating (RAL 7032).
Switching Apparatus
KU10S switchgear is equipped with vacuum circuit-breakers series BPC manufactured by High-Voltage Union as well as with HD4 and VD4 circuit-breakers. These circuit-breakers are designed for rated current of up to 4000 A and rated breaking capacity of up to 40 kA. BPC-10 circuit-breakers have the commutation life of 50000 ON/OFF cycles at rated currents and 100 cycles at breaking currents.
10 kV Vacuum Circuit-Breakers
