Barber Colman MA4D Damper Actuator, Control Signal: On-Off, Fail Safe Mode: Spring Return, 30 Inch-lb, 24 VAC, 23 sec, 3.6 W Running, 1.3 W Holding, Plenum Cable, -22 to 140 deg F, Polymer
- Two position models controlled by SPST controller
- Floating models controlled by SPDT floating controllers
- Proportional models controlled by 0 to 3 VDC, 6 to 9 VDC, 0 to 10 VDC, 2 to 10 VDC or 4 to 20 mAdc with the addition of a 500 ohm resistor. Control function direct/reverse action is jumper selectable
- Spring return models provide 30 Inch-lb (3.4 N-m) of torque
- Polymer housing rated for NEMA 2/IP54
- Overload protection throughout stroke
- Compact size to allow installation in limited space
- Manual override to allow positioning of dampers and valves
- Directly mounts to 1/2 to 3 Inch TAC DuraLynx ball valves
Standard/Approvals: CSA/US Certified, UL Listed
Application: Overshaft Damper and Ball Valves