Belimo SY4-120MFT Valve Actuator Non-Spring Return 120V MFT SW NEMA 4H



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Product Information

Product Description

The Belimo SY4-120MFT Valve Actuator is engineered for precision in HVAC applications, providing robust non-spring return functionality. This actuator operates with a 120V power supply and features MFT (Modulating Function Technology), ensuring reliable performance in various environmental conditions. Designed for butterfly valve integration, it is suitable for both industrial and commercial setups.

  • Robust non-spring return mechanism ensures durability and reliability.
  • Operates effectively within a voltage range of AC120V.
  • Suitable for challenging environmental conditions with NEMA 4X protection.

Product Highlights

This valve actuator from Belimo is built to perform under demanding circumstances, characterized by a high torque capacity of 3560 lb-in and precision control features such as MFT programming. It supports modulating control signals from 2-10VDC to 4-20mA, accommodating various industrial scenarios.

Product Information

Standard Information

  • Brand: Belimo
  • MPN: SY4-120MFT

Technical Specifications

  • Voltage: AC 120V
  • Control Signal: 2-10 VDC, 4-20mA
  • Protection Type: NEMA 4X
  • Operation: Non-spring return
  • Torque: 3560 lb-in
  • Rotation: 90 degrees, reversible
  • Auxiliary: 2 x SPDT switches
  • Housing Material: Die-cast aluminum alloy


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So far so good! Customer service great and site is very well laid out and easy to use. So far every part I've needed has been i stock. Thanks Voomi.

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-Gary Zitzmann 

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