Honeywell Commercial MS4105A1030 Damper Actuator

The Honeywell MS4105A1030 Damper Actuator is a high-performance SPST, 2-Position, direct-coupled actuator designed for HVAC systems. It features spring-return operation and a wide voltage range of 100–250 VAC, 50/60 Hz, delivering reliable actuation with 44 in-lb of torque and a 95° rotation. The enclosure is NEMA 2 and IP54 rated for durable, protected operation, and the plenum-rated plastic body stands up to challenging environments. A 3/8" to 5/8" shaft diameter accepts common damper shafts, and it ships with a mounting bracket and a self-centering shaft adapter for fast, secure installation.

• Voltage / Power: 100–250 VAC, 50/60 Hz; Power Rating 6/9 VA
• Operation: SPST, 2-Position with Spring Return
• Mechanical: Torque 44 in-lb; Rotation 95°; Shaft 3/8"–5/8"
• Enclosure: NEMA 2 / IP54; Body: Plenum-rated plastic
• Connections & Accessories: Screw terminal; Includes mounting bracket and self-centering shaft adapter
• Environmental: Operating temp -22 to 149°F; Application: HVAC System