The cubicle structure has the following features:
- possibility of rear cable inlet: from bottom or top, sideway, left or right, according to the main connections diagram
- withdrawable element can be moved between fixed positions both manually and by means of the motor
- each compartment has its separate channel to discharge combustion products of a short-circuit in an unattended zone above the cubicle
- possibility to install up to three current transformers
- visual control of earthing knifes’ positions from the front of the cubicle at the open doors
- control device of the power cables insulation resistance
Structure elements of the cubicle frame are made of steel sheets with aluminium-zinc alloy coating and fixed with bolts and steel rivets.
These switchgears are available in rear and front access design.
Switching Apparatus
Switchgears series KU-10S PH are equipped with BPC-10 vacuum circuit-breakers with cast epoxy poles. Circuit-breakers are designed for rated currents of up to 1600 A and rated breaking currents of up to 31.5 kA.
10 kV Vacuum Circuit-Breakers
