Siemens GMA166.1U SKU: GMA166.1U $322.11 $847.67 Quantity -+ Limited Factory Stock Details Spring Return OpenAir Damper Actuator, 62 lb-in, 24 VAC/DC, 0-10 VDC Modulating Control Signal, 90 Second Run Time, 15 Second Spring Return, Position ... Data Sheet Installation Instructions DetailsData SheetInstallation Instructions Back Spring Return OpenAir Damper Actuator, 62 lb-in, 24 VAC/DC, 0-10 VDC Modulating Control Signal, 90 Second Run Time, 15 Second Spring Return, Position Feedback, 2x Auxillary Switches, NEMA 1 (IP54) Enclosure, 3' Standard Cable, 5-Year Warranty Back Back Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.