M4185B1058 | Honeywell Modutrol IV Two Position Spring Return Damper Actuator

Honeywell · Motors & Motion

Description  The Honeywell M4185B1058 is a Modutrol IV control actuator designed to provide reliable two-position damper operation in HVAC and industrial control systems. It delivers 60 lb-in of torque with spring return fail-safe functionality and supports multiple line voltage supply options.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category Actuators & Dampers Part Number M4185B1058 Subcategory Damper Actuators Product Series M41 Actuator Type Modutrol IV Control Actuator Control Signal Two Position (On/Off) Nominal Supply Voltage 24 VAC, 120 VAC, 240 VAC Power Consumption 20 VA Torque Rating 60 lb-in Stroke Angle 90° Factory Set, Adjustable up to 160° Nominal Timing 30–60 Seconds Fail-Safe Mode Spring Return Shaft Size 3/8 in Square Shaft Rotation Clockwise Mounting Style Foot Mounted, Dual Ended Shaft Auxiliary Switches 1 Internal Enclosure Rating NEMA 3 Operating Temperature -40 to 150 °F Approvals CE, UL Weight 9.5 lbs   Information About M4185B1058 The M4185B1058 is part of Honeywell’s M41 series Modutrol IV actuators developed for dependable damper and valve control. It features a robust motor and gear train designed to deliver consistent torque output across a range of supply voltages without requiring external transformers. The actuator incorporates a spring return mechanism to ensure a defined fail-safe position during power loss. Its durable construction and adjustable stroke configuration support flexible integration into a wide range of control assemblies. Key Features Two Position Control Operation: Supports on/off damper control for straightforward and reliable system actuation. Spring Return Fail-Safe: Automatically drives the actuator to a safe position upon loss of power. Multi-Voltage Compatibility: Operates on 24 VAC, 120 VAC, or 240 VAC for versatile system integration. 60 lb-in Torque Output: Provides sufficient force for medium-duty damper and valve applications. Adjustable Stroke Range: Factory set to 90° with field adjustment up to 160° for application flexibility. Integrated Auxiliary Switch: Includes one internal auxiliary switch for status indication or control logic. NEMA 3 Enclosure: Offers protection suitable for demanding mechanical room environments. The M4185B1058 delivers the reliability and precision required for controlled damper actuation in HVAC and industrial control systems.

Brand: Honeywell · Category: Motors & Motion

Key features

• Two Position Control Operation: Supports on/off damper control for straightforward and reliable system actuation.
• Spring Return Fail-Safe: Automatically drives the actuator to a safe position upon loss of power.
• Multi-Voltage Compatibility: Operates on 24 VAC, 120 VAC, or 240 VAC for versatile system integration.
• 60 lb-in Torque Output: Provides sufficient force for medium-duty damper and valve applications.
• Adjustable Stroke Range: Factory set to 90° with field adjustment up to 160° for application flexibility.
• Integrated Auxiliary Switch: Includes one internal auxiliary switch for status indication or control logic.
• NEMA 3 Enclosure: Offers protection suitable for demanding mechanical room environments.

Specifications

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