9050A NEMA pneumatic timers are designed for very rugged applications where precise timing is not required. This off delay timer has a timing range from 0.1 to 60 seconds. This timer has one normally open and one normally closed timed contact and one normally open and one normally closed instantaneous contact. They are controlled by a variety of VAC coils. This timer has a 110/120 VAC 50/60 Hz coil. 9050A pneumatic timers are UL listed and CSA certified.