IDB4N – Digital high impedance differential busbar protection

MAIG-BF Breaker Failure

Systems & Electronics  MAIG-BF  Breaker Failure If a switchgear does not work properly when an open command is applied the Breaker Failure MAIG-BF device identifies the fault condition and send the command to open the other switchgears in order to isolate the busbar....
IDB4N – Digital high impedance differential busbar protection

UHF4N – Digital multifunction protection relay

Systems & Electronics UHF4N – Digital multifunction protection relay The multifunction protection relay UHF4N belongs to SIGMA-N digital protection line and it performs functions as 3phase overand undervoltage, residual voltage (earth fault), over and...