SLA54B Static Auxiliary Logic Relay

SLAT51E Static Output and Tripping Unit

SLAT54C Static Output Logic and Tripping Unit

SLAT71A Static Output and Tripping Unit

DLA52C Data Logging Amplifier

SLAT54D Auxiliary Logic and Tripping Unit

STATIC POSITIVE SEQUENCE DISTANCE RELAY - TYPE SLYP51D

NGV99AC DC Undervoltage Relay

NAA99AI Ground Distance Auxiliary Relay

NAA99AH Auxiliary Relay

Type GSY51A - MHO and Auxiliary Relay for Out-of-Step Protection

SLA52F Static Auxiliary Logic Relay

SLY71A Static Phase Distance Relay

NAA99AJ Out-of-step Angle Impedance Relay

Type SBD11B - Static Differential Relay for Bus Protection

PJC99AB Definite Time-Overcurrent Relay

SLA51G Auxiliary Logic Relay

NGA19C DC Auxiliary Relay

CHC99AB High Speed Non-directional Overcurrent Relay

SFV71A Static Feeder Potential Relay