Crompton 239-301A-HHXX-AC-S1, MODEL 239 METER RELAY.
Crompton 239-301A-HHXX-AC-C6-S1, MODEL 239 METER RELAY., 1 SET POINT.UPSCALE ENERGISED, DOWN SCALE DE-ENERGISED., 1 OUTPUT RELAY., SPEC. ANSI C39.1 STANDARD., INPUT. 0/20 MILLIVOLTS DC, SCALED. BLANK







