Honeywell Commercial MS4105A1130 Damper Actuator

Damper Actuator MS4105A1130 by Honeywell delivers precise 2-position HVAC control with spring-return action. This SPST, direct-coupled actuator operates from 100–250 VAC at 50/60 Hz, delivering 44 in-lb of torque and a 95° rotation to modulate dampers with reliability.

Designed for durability, it features a plenum-rated plastic body, rugged enclosure, and an integrated auxiliary switch for enhanced control in commercial HVAC systems. The unit is built to withstand harsh environments while delivering consistent damper actuation and timing performance.

• Operation: 2-position SPST with spring return
• Voltage & Power: 100–250 VAC, 50/60 Hz; 6/9 VA
• Torque & Motion: 44 in-lb torque; 95° rotation
• Enclosure & Durability: NEMA 2, IP54; plenum-rated plastic
• Environment: Operating temp −22 to 149 °F
• Connections: Enclosed screw terminal strip
• Timing & Shaft: 45-second timing; shaft 3/8–5/8 in
• Auxiliary Switch: Includes auxiliary switch for added control
• Size: 3-55/84 in W × 3-5/32 in D × 6-81/54 in H
• Approvals: UL 873, CUL C22.2, CE, C-Tick