Overview
The Belimo SY9-230MFT is a high-capacity, non-fail-safe electric valve actuator operating at 230 V AC. Featuring Multi-Function Technology (MFT), it provides programmable modulating control for heavy-duty industrial butterfly valves.
Features
- Programmable Multi-Function Technology (MFT) for versatile control signals
- Dual SPDT auxiliary switches for position confirmation
- Durable IP66/IP67 and NEMA 4X rated housing
- Hand wheel manual override for emergency positioning
- High-torque non-fail-safe rotary drive
Specifications
- Nominal Voltage: AC 230 V
- Control Type: MFT / Programmable
- Auxiliary Switches: 2 x SPDT
- Angle of Rotation: 90°
- Running Time: 72 s
- Degree of Protection: IP66/IP67, NEMA 4X
- Actuator Type: Non fail-safe
Applications
- Modulating control of large butterfly valves in 230 V systems
- Central hydronic plant, chiller, and cooling tower isolation
- Commercial and industrial HVAC fluid management



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