Description
Belimo SY5-24MFT Non-Spring Return Damper Actuator
The Belimo SY5-24MFT is a heavy-duty, non-spring return damper actuator engineered for demanding commercial and industrial HVAC applications. Delivering a robust 4450 in-lb of torque, this actuator is built to drive large dampers with precision and reliability. Its versatile control input options and weatherproof NEMA 4X enclosure make it a go-to choice for building automation systems requiring dependable performance in challenging environments.
Key Features
- Non-spring return design for positive, bi-directional damper control
- 4450 in-lb (500 Nm) torque output for large damper applications
- Dual supply voltage compatibility: 24 VAC and 24 VDC
- Multiple control signal inputs: 4–20 mA (500 Ohm), PWM (1500 Ohm), floating point, and On/Off
- NEMA 4X enclosure rating — suitable for wet, dusty, and corrosive environments
- Designed for integration with building automation and energy management systems
Control Signal Specifications
- 4–20 mA analog control: 500 Ohm input impedance
- PWM control: 1500 Ohm input impedance
- Floating point (tri-state) control
- On/Off control
Electrical Specifications
- Supply voltage: 24 VAC / 24 VDC
- NEMA 4X weatherproof and corrosion-resistant enclosure
Typical Applications
- Large commercial air handling units (AHUs)
- Industrial ventilation and process control dampers
- Building automation system (BAS) damper control
- Outdoor or wash-down environments requiring NEMA 4X protection
Why Choose Belimo?
Belimo is a globally recognized leader in actuator, valve, and sensor technology for HVAC applications. The SY5-24MFT reflects Belimo’s commitment to precision engineering, long service life, and broad compatibility with modern building automation platforms. Order the Belimo SY5-24MFT from Jackson Systems for fast shipping and expert support.







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