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BELIMO LF120-S Spring Return Actuator

BELIMO LF120-S Spring Return Actuator

  • $321.96


LF120-S

Description:

For On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. Control is On/Off from an auxiliary contact or a manual switch. The actuator is mounted directly to a damper shaft from 3/8” up to 1/2” in diameter by means of its universal clamp, 1/2” shaft centered at delivery. For shafts up to 3/4” use K6-1 accessory. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft

The LF120-S US version are provided with one built-in auxiliary switch. This SPDT switch is provided for safety interfacing or signaling, for example, for fan start-up. The switching function is adjustable between 0° and 95°.

Specifications: 

  • Actuator Type: Spring return
  • Angle of Rotation: 95
  • Control Type: On/Off
  • Degree of Protection: IP54, NEMA 2, UL Enclosure Type 2
  • Direction of Rotation (Fail-Safe): Reversible with cw/ccw mounting
  • Electrical Connection: cable
  • Power Consumption (Holding): 3.5 W
  • Power Consumption (Running): 5.5 W
  • Running Time (Fail-safe): <25 s
  • Running Time (Motor): 75 s
  • Safety Function: YES
  • Shaft Diameter: 3/8...1/2" round, centers on 1/2"
  • Torque: 35 in-lb [4 Nm]
  • Voltage AC/DC: AC 120 V
  • Auxiliary switch: 1 x SPDT, 3 A resistive (0.5 A inductive) @ AC 250 V, adjustable 0...95°

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