The Honeywell M8185D1006 Modutrol motor 60 lb-in, SR Actuator, Two Position, Low Voltage, 24V
The Honeywell M8185D1006 is a genuine OEM spring-return actuator from the Modutrol IV series, designed for reliable damper and valve control in HVAC and building automation systems. This robust actuator provides 60 lb-in torque, with a 24 V AC/DC supply voltage and foot-mounted housing that enables stable installation. Its spring-return design ensures safe fallback to default position in case of power failure, making it ideal for fail-safe applications requiring dependable automatic closure or opening under emergency conditions.
Features
• OEM Honeywell M8185D1006 spring-return actuator/motor
• 24 V AC/DC power source (suitable for low-voltage control systems)
• 60 lb-in torque output — enough for dampers or small to medium valves
• Foot-mounted housing design with durable build
• Integrated spring-return mechanism for automatic return on loss of power
• Dual-ended output shaft (square) for flexible coupling
• Suitable for HVAC dampers, air handlers, and control valves in ventilation and building automation systems
• Compact, rugged enclosure for long-term reliability
Benefits
• Provides reliable automatic return (fail-safe) when power is lost
• Suitable for retrofit or new installations in residential, commercial, or light-commercial HVAC systems
• Offers precise damper/valve control with stable torque output
• Compact and foot-mounted design simplifies installation
• Ideal for contractors, building automation professionals, and HVAC technicians seeking OEM-grade quality
Technical Specifications
| Application | Electric |
| Dimensions (in.) | 6 7/16 in. high x 5 1/2 in. wide x 8 3/4 in. deep |
| Dimensions (mm) | 164 mm high x 140 mm wide x 222 mm deep |
| Weight (lb) | 8.5 lb |
| Item Type | Product |
| Mounting | Foot-mounted |
| Frequency | 50 Hz; 60 Hz |
| Approvals, Underwriters Laboratories Inc. | Listed: File No. E4436, Guide No. XAPX for USA and Canada |
| Tradeline Value | Tradeline |
| Electrical Connections | Quick-connect terminals |
| Supply Voltage | 24V |
| Power Consumption | Driving– 20 VA |
| Approvals, CE | EN55011 (Emission) EN50082-2 (Immunity) 73/23/EEC (LVD) |
| Ambient Temperature Range (F) | -40 F to +150 F |
| Ambient Temperature Range (C) | -40 C to +60 C |
| Internal Auxiliary Switch | 0 |
| Auxiliary Switch Ratings | AFL – 120 Vac– 7.2A; ALR- 120 Vac– 43.2A; AFL – 240 Vac– 3.6A; ALR- 240 Vac– 21.6A |
| Stroke | Adjustable; 90 to 160 degrees, Asymmetrical |
| Shaft Dimensions (in.) | 0.375 in. Square |
| Control Signal | Two position, SPST |
| Fail Safe Mode | Spring Return |
| Torque Rating (lb-in.) | 60 lb-in. |
| Torque Rating (Nm) | 6.8 Nm |
| External Auxiliary Switches Available | Yes |
| Shaft Rotation (upon control signal increase) | Clockwise (as viewed from power end) (normally closed) |
| Factory Stroke Setting | 160 degrees |
| Timing, Nominal | 30-60 sec |
| Feedback | No |
| Shaft Dimensions (mm) | 10 mm Square |
| Motor shafts | Dual-ended shaft |
| Deadweight Load on Shaft | Either End– 200 lbs.; Combined on both Shafts– 300 lbs. |
| Internal Transformer | None |
Applications
• Damper control in air handling units and ventilation systems
• Valve actuation in HVAC systems
• Building automation and control systems requiring fail-safe return
• Retrofitting existing HVAC dampers or valves to spring-return control
• Industrial ventilation and light commercial HVAC applications
Before ordering, verify compatibility: shaft size, mounting layout, torque requirement, and control voltage must match system needs.
Installation Notes
• Installation should be performed by qualified HVAC or automation technician
• Disconnect power before servicing or wiring
• Confirm damper or valve coupling and shaft alignment before final mounting
• Ensure correct control voltage input (24 V AC/DC)
• After installation, test actuator operation and spring-return functionality
Why Buy from APEX Controls
• Long-standing HVAC & controls distributor with strong industry reputation
• OEM Honeywell components only — no aftermarket substitutes
• Quick shipping from our Pennsylvania warehouse
• Expert technical support to guide proper part selection
• Trusted by contractors, facility managers, and building automation professionals



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