The HP57A6, HP5 CYCL‑FLEX series timer is a high quality, synchronous motor driven reset timer housed in the standard CYCL‑FLEX plug‑in housing. There are 16 standard time ranges from 5 seconds to 60 hours. Knob adjustable time ranges ‑ progress pointer for each. Red progress pointer displays remaining time interval. Pilot light indicates when timer motor is energized. 15 terminal ABS molded housing has high impact resistance and will not support combustion.