BELIMO LF120 US

Spring Return Damper Actuators

LF Series Direct Coupled Spring Return Damper Actuator

• Torque: 35 in lb minimum
• For modulation or On/Off control of dampers in HVAC systems
• Control input**: variable with MFT (VDC, PWM, floating point, on-off)
• Overload protection: electronic throughout rotation
• Brushless DC motor
• Fits shaft diameter: 3/8" to 1/2" (standard); 1/2"-3/4" (with K6-1 clamp accessory)
• Position indication: visual indicator
• Spring return reversible: CW/CCW mounting
• Electrical connection: 3’, 18 gauge appliance rated cable
  (on/off, MFT, -S Types). Plenum for modulating
• CE and CSA Certified
• ISO 9001 Listed
• Housing: NEMA 2 / IP54 UL enclosure
• UL and cULus Listed
• 5-Year warranty

** Variable with MFT, see complete technical data in MFT product documentation

A = < 40 to 75 Sec motor; < 25 sec @-4°F to 122°F [-20°C to 50°C] < 60 sec @-22°F [-30°C] Spring

B = 150 Sec constant, independent of load Motor; < 25 sec @-4°F to 122°F [-20°C to 50°C]; < 60 sec @-22°F [-30°C] Spring