Complete explosion-proof switchgears (KRU) of UVR-6-NGK-UHL5 type are designed to receive and distribute electrical energy in 6 kV networks with isolated neutral, to protect electrical installations and control electrical receivers.
dustiness of the ambient air
up to 1000 mg / m3
operating air temperature during operation
from minus 10 ° С to plus 35 ° С
exposure to mechanical environmental factors
М1 GOST 1712