Neptronic LM020W : Non-Spring Return Damper Actuator, 24 VAC/30 VDC, 140 in-lb, Analog (2-10 VDC) Control Input, Auxillary Switches, 60 to 85 Second Run Time, NEMA 4 Enclosure (Additional shipping or handling charges may apply. Contact sales@energycontrol.com for a quote.)
