Overview
The Belimo SY11-110 is a non-fail-safe heavy-duty industrial quarter-turn actuator engineered for 120V floating/3-point control of large valves.
Features
- Robust motor design delivering fast 62-second execution times
- Built-in dual SPDT limit switches for auxiliary feedback
- IP66/67, NEMA 4X protective enclosure for indoor and outdoor environments
- Clear visual position indicator and manual override wheel
Specifications
- Actuator Type: Non fail-safe
- Control Type: Floating / 3-point
- Nominal Voltage: AC 120 V
- Running Time (Motor): 62 s
- Auxiliary Switches: 2 x SPDT
- Protection Category: IP66/67, NEMA 4X
Applications
- Floating-point positioning of butterfly valves in large mechanical rooms
- Industrial fluid control, municipal water systems, and HVAC cooling towers


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