240V 50Hz TIMERS 60 MIN 1RPHour
Bristol Saybrook Co 878D-1
TIMERS 60 MIN 1RPH 240V 50HZ 4W METER (0-100%) OPEN FRAME MODEL 420 Motor Model #5750-7-4-1-01 face plate is marked for 0% a 0 min and 100% @ 60min and 100 increments in between to correspond to seconds(ie 30min= 50% 15min= 33% etc.