Electrical equipment for the lump breaking device type URB/NPR-6 was designed based on components and certified devices or those possessing declaration of compatibility, equipment is designed for use in the underground mining pits in non-explosive conditions and on the ground.
As well as designed for work in the mine grid with insulated star point on the transformer (system IT) of rated grid voltage of 500V.
Power supply system of the hydraulic aggregate (hydraulic aggregate engines: main drive of 30 kW power, radiator of (3 or 4) kW power and auxiliary outlet of (3 or 4) kW power are all supplied from 500V switchgear type RKS5-3K/URB).
Options (additional equipment) provides switchgears: power supply switchgear type BPP-05, type RKS5-5/Z for supplying power to the feeder and fan, and switchgear type KTO-05W/11(2,6) for supplying power to the lighting.