Description
The Honeywell MS4105A1030 is a robust, spring‑return, two‑position (on/off) damper actuator delivering 44 lb‑in (≈ 5 Nm) of torque. Designed for line‑voltage operation (100‑250 VAC), it offers dependable fail‑safe behavior—automatically returning to a safe position when power is lost. This actuator is ideal for controlling dampers, butterfly/ball valves, or other final‑control devices in HVAC systems, ventilation, zone control, and air handler applications.
Specifications:
- Product Type: Actuator
- Actuator Type: Two Position
- Torque: 44 lb-in
- Fail Safe Mode: Spring Return
- Voltage: 100-250v
- Operating Temp Range: -40 F to 140 F
- Features: NEMA 2











