Withdrawable elements of the K-III series

The withdrawable elements with vacuum circuit breakers are designed to operate in K - III complete switchgears of voltage class up to 10 kV of three - phase alternating current of 50 Hz for systems with isolated neutral.

Climatic modification and category of placement U2 in accordance with GOST 15150, operating conditions at the same time:

• upper working value of ambient temperature plus 55C;
• lower working value of ambient temperature minus 40C;
• upper value of relative humidity of 100% at plus 25С;
• the environment is fire and explosion proof, atmosphere type II, industrial according to GOST 15150.