The MEP-4000 Series of 40 in.-lb actuators are designed for small dampers and valves. Features include a wide operating temperature range from -22° to 131°F, selection between 0 to 5 VDC or 0 to 10 VDC for both control signal and feedback on modulating models, auto-calibrating capability, and detachable terminals. The actuators are 2.6-in. wide by 5.3-in. long, and weigh just over 1 lb.