What is the electronic relay code?
KV (NZ) voltage relay (negative sequence zero sequence)
KP Polarization Relay
KR Reed Relays
KI impedance relay
KW (NZ) power direction relay (negative sequence zero sequence)
KA instantaneous relay; instantaneous with or without relay; AC relay
KV voltage relay
KM intermediate relay
KOF exit intermediate relay
KS signal relay
KT time relay
KV (NZ) voltage relay (negative sequence zero sequence)
Many types of electronic relays, the following list some of the more commonly used:
K relay KA (NZ) current relay (negative sequence zero sequence)
KD differential relay
KF flash relay
KH thermal relay