Honeywell Commercial MS8120F1200 Direct Coupled Actuator

The Honeywell MS8120F1200 Direct Coupled Actuator is a reliable Direct Coupled 24 VAC control solution for fire and smoke applications in HVAC systems. This SPST, 2-position, fast-acting actuator features spring return and a convenient manual crank for quick setup.

Designed for demanding environments, it delivers precise damper control with a 24 VAC supply at 50/60 Hz, 175 in‑lb of torque, and a 95° rotation for dependable operation in fire and smoke control scenarios. The compact, fast-acting design also offers a 15‑second timing response.

The unit uses a rugged aluminum body and comes in a NEMA 2 / IP54 enclosure, rated to operate from -40 to 130 °F. Its durable construction ensures reliable performance in harsh facility environments.

This compact actuator measures 3.94 in wide by 2.95 in deep by 10.67 in high, supports a 3/8 to 1.06 in shaft, and uses a 40 in non-stick jacketed cable. It includes two auxiliary switches and carries multiple approvals for safe, compliant installation.

• Direct Coupled SPST, 2‑Position Actuator
• 24 VAC operation, 50/60 Hz
• Fast acting with spring return and manual crank
• Torque 175 in‑lb; 95° rotation; 15‑second timing
• Enclosure: NEMA 2, IP54; aluminum body
• Operating temperature: -40 to 130 °F
• Shaft compatibility: 3/8 to 1.06 in
• Cable: 40 in non‑stick jacketed cable
• Includes two auxiliary switches
• Approvals: UL 873, CUL C22.2, CE, C‑Tick