LF120 Belimo Spring Return Damper Actuator 35 in-lb 100-240VAC On/Off HVAC

Description:

• Genuine Belimo spring return damper actuator for commercial and industrial HVAC applications
• Provides 35 in-lb (4 Nm) of torque for reliable operation of air control dampers
• Designed for On/Off control with spring return (fail-safe) operation
• Wide operating voltage of 100–240 VAC, 50/60 Hz
• Automatic spring return drives the damper to the fail-safe position during power loss
• Direct-coupled mounting eliminates the need for linkages and simplifies installation
• Selectable motor rotation direction with reversible fail-safe operation
• Mechanical position indicator for quick visual confirmation of damper position
• Maintenance-free design with electronic overload protection
• Ideal for commercial HVAC systems, air handling units (AHUs), rooftop units, VAV systems, smoke control, and ventilation dampers.

Specifications:

• Manufacturer Name: Belimo
• Part Number (MPN): LF120
• Product Type: Spring Return Damper Actuator
• Control Type: On/Off
• Torque: 35 in-lb (4 Nm)
• Nominal Voltage: 100–240 VAC
• Operating Voltage Range: 85–264 VAC
• Frequency: 50/60 Hz
• Power Consumption:
  • Operating: 3.5 W
  • Holding: 2 W
• Transformer Sizing: 6.5 VA
• Rotation Angle: 95° Maximum
• Running Time (Motor): 75 seconds / 90°
• Spring Return Time:
  • <25 seconds @ -20°C to +50°C
  • <60 seconds @ -30°C
• Direction of Rotation:
  • Motor: Selectable (0/1 switch)
  • Fail-Safe: Reversible (CW/CCW mounting)
• Electrical Connection: 18 AWG, 3 ft (1 m) cable with 1/2" NPT conduit connector
• Protection Rating:
  • IP54
  • NEMA 2
• Operating Temperature: -30°C to +50°C
• Storage Temperature: -40°C to +80°C
• Relative Humidity: 95% RH Non-Condensing
• Certifications:
  • cULus
  • CE
  • UL 2043
  • ISO 9001
• Applications:
  • Air Handling Units (AHUs)
  • HVAC Dampers
  • Ventilation Systems
  • Building Automation
  • Commercial HVAC
  • Industrial Ventilation
  • Smoke Control Systems

Dimensions:

• Designed for direct mounting on 3/8 in to 1/2 in damper shafts (up to 3/4 in with optional adapter).
• Maximum Rotation: 95°.

Weight:

• Approximate Weight: 3.7 kg (8.3 lb).