AMX24-SR-T N4 | Belimo Modulating Non Spring Return Damper Actuator 180 In Lb 24V NEMA 4X

Belimo · Motors & Motion

Description  The Belimo AMX24-SR-T N4 is a configurable non spring return damper actuator delivering 180 in-lb (20 Nm) of torque for precise modulating airflow control. It operates on AC/DC 24 V power and features a sealed NEMA 4X enclosure with terminal connections for demanding HVAC environments.     Technical Specifications  Condition New/Never Used Surplus Brand Belimo Category Actuators & Dampers Part Number AMX24-SR-T N4 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) 3.5 W Power Consumption (Rest) 1.25 W Transformer Sizing 5 VA Control Signal 2…10 V (4…20 mA with resistor) Input Impedance 100 kΩ (2…10 V), 500 Ω (4…20 mA) Position Feedback 2…10 V Torque Output 180 in-lb (20 Nm) Angle of Rotation Max. 95°, adjustable Running Time (Motor) 90 or 150 s / 90° Electrical Connection Screw terminals 26…14 AWG, 1/2" NPT Degree of Protection NEMA 4X Ambient Temperature -30…50°C Ambient Humidity Up to 100% RH Weight 3.7 lb (1.7 kg)   Information About AMX24-SR-T N4 The AMX24-SR-T N4 is part of Belimo’s AMX series of rugged damper actuators designed for reliable modulating control in harsh HVAC environments. It features a corrosion-resistant NEMA 4X enclosure and terminal-style wiring to support flexible field installation in indoor or outdoor locations. The actuator provides electronic overload protection throughout the full rotation range, ensuring consistent torque and long service life. Its configurable control input and selectable motor direction allow seamless integration with modern building automation systems. Key Features Non Spring Return Operation: Provides powered damper positioning without fail-safe spring action for applications where return on power loss is not required. 20 Nm Constant Torque Output: Delivers stable 180 in-lb torque for accurate control of medium-sized air dampers under varying load conditions. Modulating Control Interface: Supports 2…10 V input with optional 4…20 mA configuration for precise proportional airflow regulation. NEMA 4X Enclosed Housing: Sealed enclosure protects internal components against moisture, dust, and corrosion in demanding installations. Terminal Wiring Connections: Screw terminals support flexible field wiring using 26…14 AWG conductors and simplify installation. Electronic Overload Protection: Protects the actuator throughout the full 0…95° rotation range from mechanical obstruction or overload. Manual Override Push Button: Enables local damper positioning during commissioning, testing, or maintenance without tools. The AMX24-SR-T N4 delivers the reliability and precision required for modulating damper control in harsh and weather-exposed HVAC applications.

Brand: Belimo · Category: Motors & Motion

Key features

• Non Spring Return Operation: Provides powered damper positioning without fail-safe spring action for applications where return on power loss is not required.
• 20 Nm Constant Torque Output: Delivers stable 180 in-lb torque for accurate control of medium-sized air dampers under varying load conditions.
• Modulating Control Interface: Supports 2…10 V input with optional 4…20 mA configuration for precise proportional airflow regulation.
• NEMA 4X Enclosed Housing: Sealed enclosure protects internal components against moisture, dust, and corrosion in demanding installations.
• Terminal Wiring Connections: Screw terminals support flexible field wiring using 26…14 AWG conductors and simplify installation.
• Electronic Overload Protection: Protects the actuator throughout the full 0…95° rotation range from mechanical obstruction or overload.
• Manual Override Push Button: Enables local damper positioning during commissioning, testing, or maintenance without tools.

Specifications

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