Belimo LF Series ActuatorsLogin to see prices
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, digital output, 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 LF series actuators provide true spring return operation for reliable fail-safe application and positive close off on air tight dampers. The spring return system provides consistent torque to the damper with, and without, power applied to the actuator. The LF series provides 95° of rotation and is provided with a graduated position indicator showing 0° to 95°. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. Power consumption is reduced in holding mode.
Weight 1.6 kg Dimensions 197 × 100 × 84 cm Models
LF24(2-position,24V), LF24-S(2-position,24V, end switch), LF120 US(2-position, 120V), LF120-S US(2-position, 120V, end switch), LF24SR(modulating,24V), LF24SR-S(modulating,24V, end switch)
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