SIEMENS
SIEMENS Actuator 44 in-lb 90° 24V 108s thermostat
Proportional damper actuator delivers 44 in-lb torque over 90° rotation with 108-second timing at 24V AC
- TypeLearning Thermostats
- 44 in-lb torque drives dampers reliably
- 24 V AC input suits building automation systems
- 90° rotation with CW/CCW flexibility
- 108-second timing enables precise proportional control
- IP54 and NEMA 2 ratings protect against dust and splashes
Siemens 44 in-lb Damper Actuator
This Siemens actuator delivers 44 in-lb of rated torque for proportional damper control in HVAC systems. It operates on 24V AC input and provides a 0 to 10V DC output signal for building automation integration. The direct-mount design uses a set-screw shaft coupling and completes a 90-degree stroke in 108 seconds.
Suited for proportional building automation systems
Installers needing a non-spring-return damper actuator with NEMA 2 and IP54 ratings for indoor environments will find this unit suitable. It is not intended for applications requiring spring-return fail-safe operation or on/off control signal types. Buyers who need a different torque rating or stroke time should select another model.
44 in-lb torque with 108-second stroke
The single specification that determines fit is the combination of 44 in-lb rated torque and a 108-second runtime for 90 degrees of rotation. Controllers must be configured for this specific timing and torque profile to ensure correct damper positioning. Verify that the 0 to 10V DC proportional signal matches the building automation system requirements.
Highlights
- 44 in-lb torque drives dampers reliably
- 24 V AC input suits building automation systems
- 90° rotation with CW/CCW flexibility
- 108-second timing enables precise proportional control
- IP54 and NEMA 2 ratings protect against dust and splashes
Specifications
| Brand | SIEMENS |
|---|---|
| Type | Learning Thermostats |
Questions about this item
What does the 44 in-lb torque rating mean once the actuator is installed?
It provides enough turning force to operate typical building-automation dampers and valves through a full 90-degree stroke without stalling.
How does the 0 to 10V DC proportional signal cap the actuator's response in practice?
The output varies continuously across the 0 to 10V range so the damper position follows the control voltage linearly instead of snapping open or shut.
What does the direct-mount set-screw shaft coupling need to fit the damper shaft?
A matching shaft diameter that accepts the set-screw coupling so the actuator locks on without extra brackets or linkages.
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