Spring Return OpenAir Damper Actuator, 20 lb-in, 24 VAC/DC, On/Off Control Signal, 30 Second Run Time, 15 Second Spring Return, 2x Auxillary Switches, NEMA 1 (IP40) Enclosure, 3' Plenum Cable, 5-Year Warranty ( Minimum Siemens order quantity of $250.)
