Crompton 239-303A-PQRX-AC-S1-S2, MODEL 239 METER RELAY.
Crompton 239-303A-PQRX-AC-S1-S2, MODEL 239 METER RELAY., 2 SET POINTS BOTH UPSCALE ENERGISED.DOWN SCALE DE-ENERGISED, 2 OUTPUT RELAYS., SPEC. ANSI C39.1 STANDARD., INPUT. 0/120 VOLTS AC, SCALED. 0/300 VACDIAL TO SCREEN A7919B






