Overview
The Belimo SY4-110 is a compact heavy-duty industrial quarter-turn actuator operating on 120V AC with rapid 19-second execution time for floating or 3-point control.
Features
- High-speed motor drive completing 90-degree rotation in 19 seconds
- Two SPDT auxiliary switches for position signaling
- NEMA 4X / IP66/67 heavy-duty enclosure withstands harsh outdoor elements
- Integrated manual override wheel
Specifications
- Actuator Type: Non fail-safe
- Control Type: Floating / 3-point
- Nominal Voltage: AC 120 V
- Running Time (Motor): 19 s
- Auxiliary Switches: 2 x SPDT
- Degree of Protection: IP66/67, NEMA 4X
Applications
- Rapid isolation and floating control of quarter-turn valves in industrial piping
- Commercial HVAC hydronic loop isolation and switching



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