Basic Fail-Safe actuator for controlling dampers in typical commercial HVAC applications. cULus acc. To UL 873 and CAN/CSA C22.2 No. 24-93. 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.

2019年4月26日 · justable auxiliary switch (LF24-S only). Adjusting the auxiliary switch LF24-S, page 6 Mounting accessories, page 11 Mounting instructions, pages 13...15 Important: Read the notes about the use and torque requirements of the damper actuators on page 3. Dampers up to approx. 0.8 m2 Open/Close actuator (AC/DC 24 V) Control by single-pole contact ...

Adjustable angle of rotation with mechanical end stops.

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.

Power consumption is reduced in holding mode. The LF24-S US version is 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°. The auxiliary switch in the LF24-S US is double insulated so an electrical ...

LF24. Rotary actuator fail-safe, 4 Nm, AC/DC 24 V, Open/close, 75 s, IP54. List price £207.00. Add to Cart. Add to Project List. Choose an existing Project List to add this product: Show all Projects Lists. You have no existing Project Lists. Or create a new Project List to add this product:

For fail-safe, modulating control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. 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.

For fail-safe, modulating control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer’s specifications. 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.

LF24-SR-E US actuators have built-in brushless DC motors which provide better accuracy and longer service life. The LF24-SR-E US actuators are designed with a unique non-symmetrical deadband. The actuator follows an increasing or decreasing control signal with a 80 mV resolution. If the signal changes in the opposite direction, the

rotation and is provided with a graduated position indicator showing 0 to 95°. The LF24-SR US uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC) and a microprocessor. The microprocessor provides the intelligence to the ASIC to