AFB24-MFT | Belimo Programmable Spring Return Damper Actuator 180 In Lb 24V

Belimo · Motors & Motion

Description  The Belimo AFB24-MFT is a programmable spring return damper actuator delivering 180 in-lb (20 Nm) of torque for precise airflow control in HVAC systems. It operates on AC/DC 24 V power and supports multiple control modes with configurable input and feedback signals.     Technical Specifications  Condition New/Never Used Surplus Brand Belimo Category Actuators & Dampers Part Number AFB24-MFT Subcategory Damper Actuators Nominal Voltage AC/DC 24 V Nominal Frequency 50/60 Hz Voltage Range AC 19.2…28.8 V / DC 21.6…28.8 V Power Consumption (Operation) 7.5 W Power Consumption (Rest) 3 W Transformer Sizing 10 VA Control Signal 2…10 V, configurable MFT Input Impedance 100 kΩ (2…10 V), 500 Ω (4…20 mA), 1500 Ω (PWM/On-Off/Floating) Operating Modes VDC, On/Off, Floating Point Position Feedback 2…10 V Torque Output 180 in-lb (20 Nm) Angle of Rotation 35…95°, adjustable Running Time (Motor) 70…220 s / 90° Running Time (Fail-Safe) <20 s @ -20…50°C Electrical Connection 18 GA cable, 1 m, 1/2" conduit Ambient Temperature -30…50°C Ambient Humidity Max. 95% RH, non-condensing Weight 4.1 lb (1.9 kg)   Information About AFB24-MFT The AFB24-MFT is part of Belimo’s AFB series of multi-functional spring return actuators developed for flexible and intelligent HVAC damper control. It features electronic overload protection across the full rotation range and a double-insulated design to support reliable long-term operation. The actuator uses Belimo’s MFT technology, allowing field configuration of control signals, operating ranges, and response behavior to match specific system requirements. Reversible fail-safe action, adjustable mechanical end stops, and selectable motor direction provide installation flexibility across a wide range of damper applications. Key Features Multi-Functional Technology MFT: Supports configurable control modes including 2…10 V, 4…20 mA, PWM, on/off, and floating point for maximum system compatibility. Spring Return Fail-Safe Operation: Integrated spring mechanism ensures rapid return to a predefined safety position during power loss. 20 Nm Constant Torque Output: Provides stable 180 in-lb torque suitable for medium and large dampers under varying airflow conditions. Configurable Control Range: Adjustable start and end points allow precise matching of actuator response to control system requirements. Integrated Position Feedback: Delivers a variable 2…10 V feedback signal for continuous monitoring and closed-loop control. Electronic Overload Protection: Protects internal components throughout the full 0…95° rotation range against mechanical overload. Manual Override Capability: Supplied hex crank enables manual positioning during commissioning, testing, or maintenance. The AFB24-MFT delivers the reliability and precision required for advanced modulating airflow control and dependable fail-safe damper operation in HVAC systems.

Brand: Belimo · Category: Motors & Motion

Key features

• Multi-Functional Technology MFT: Supports configurable control modes including 2…10 V, 4…20 mA, PWM, on/off, and floating point for maximum system compatibility.
• Spring Return Fail-Safe Operation: Integrated spring mechanism ensures rapid return to a predefined safety position during power loss.
• 20 Nm Constant Torque Output: Provides stable 180 in-lb torque suitable for medium and large dampers under varying airflow conditions.
• Configurable Control Range: Adjustable start and end points allow precise matching of actuator response to control system requirements.
• Integrated Position Feedback: Delivers a variable 2…10 V feedback signal for continuous monitoring and closed-loop control.
• Electronic Overload Protection: Protects internal components throughout the full 0…95° rotation range against mechanical overload.
• Manual Override Capability: Supplied hex crank enables manual positioning during commissioning, testing, or maintenance.

Specifications

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