Electrical engineering for mining - Switchgears
Electronics

Electronic units type NIMR-220, ZZS-500/1000, NZKT-1B and IZS-42B are used in enegetics systems network IT to control insulation in network system. Electronic is based on high quality components with high degree of reliability.

NIMR-220 Continually monitors the isolation resistance of an IT system network for lighting with nominal voltage 220V AC
ZZS-500/1000 Off-line earth fault relay for IT system network with nominal voltage 500V AC and 1000V AC
NZKT-1B Protective conducor (SL-ÜL) monitoring relay
IZS-42B Continually monitors the isolation resistance of pilot network with nominal voltage 42V AC