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Accessories
Select Relay
BDD Transformer Differential
BFC Instantaneous Overcurrent
CEB Phase Offset Mho Distance
CEH Loss of Excitation
CEX57 Angle Impedance
CEY Phase Mho Distance
CEYG Ground Mho Distance
CFD Machine Differential
CFV Instantaneous Overvoltage
CFVB Voltage Balance
CHC Instantaneous Overcurrent
CJCG Ground Directional Overcurrent
CLPG Carrier Ground
DIAC DIAC/DIFC/DSFC Single-phase Overcurrent Relay
GCX Phase Reactance Distance
GCXG Step Ground Distance
GCXY Phase Reactance MHO Distance
GCY Phase Packaged Directional-distance
GGP Sensitive Power Directional
GSY Mho Distance
GXS Auto Synchronizing
HAA Auxiliary or annunciator relay
HEA Multicontact Auxiliary relay
HFA Multicontact Auxiliary relay
HFC Instantaneous Overcurrent Relays
HGA11 Hinged Armature Auxiliary Relay
HGA111 Hinged Armature Auxiliary Relay
HGA17 Hinged Armature Auxiliary Relay
HLA Monostable Auxiliary Relay
HLB Bistable Auxiliary Relay
HMA Hinged Armature Auxiliary
HSA11-1 48VDC/69VAC-50/60 Hz
HSA11-2 110/125VDC,110/120VAC-50/60Hz
HSA11-3 220/250VDC,220/240VAC-50/60Hz
IAC51 Time-Overcurrent Inverse Time
IAC52/60 Time-Overcurrent Inverse Time
IAC77/78 Time-Overcurrent Inverse Time
IAC66 Time-Overcurrent Inverse Time
IAC55 Time-Overcurrent Inverse Time
IAC53/54 Time-Overcurrent Very Inverse Time
IAV Time Delay Voltage Relay
IBC Phase Directional Overcurrent
IBCG Ground Directional Overcurrent
IBCV Phase Directional Relay with Voltage Restraint
ICR Phase Sequence/Under voltage
ICW Time Delay Power Directional Relay
IFC TOC Relay
IFCV TOC with Voltage Restraint
IFD Differential Relay
IFV Time Overvoltage
IJD Machine Differential
IJF Overfrequency/Underfrequency Relay
IJS Synchronism Check
JBC Phase Directional Overcurrent
JBCG Directional Overcurrent
JBCV Directional Overcurrent
NAA-19 Out-of-Step Auxiliaries
NAA-30 Relay Supervision of Manual Synchronizing
NAA-15 Ground Distance Auxiliaries
NAA-27 Transfer Tripping Auxiliaries
NBD Percent Differential Relay
NBV Voltage Balance
NGA15-2 Auxiliary Relays (U/AG/AK)
NGA15-1 Auxiliary Relays (Q/X)
NGA15-3 Auxiliary Relays (A/L/J)
NGV Instantaneous Voltage
PJC Instantaneous Overcurrent
PJG Machine Field Ground Detector Relay
PJV Instantaneous Voltage Relay
PVD Bus Differential
SAM Timing Relay
SBC Static Breaker Backup Relay
SBD Bus Differential
SCA Carrier Auxiliary Relay
SFF200 Static Digital Frequency Relay
SGC Negative Sequence Overcurrent
STD Transformer Differential
STV Overexcitation Relay