SY3-110 | Belimo 120V Non Spring On Off Valve Actuator NEMA 4H
Belimo · Motors & Motion
Description The Belimo SY3-110 is a high-torque non spring return valve actuator designed for reliable on/off control in industrial and HVAC valve applications. Operating on 120 V AC, it delivers substantial torque output and is housed in a rugged NEMA 4H enclosure for harsh environments. Technical Specifications Condition New/Never Used Surplus Brand Belimo Category Valve Actuators Part Number SY3-110 Subcategory Non-Spring Actuators Actuator Type Non spring return Control Input On/Off Nominal Voltage AC 120 V Torque Output 1335 in-lb End Switch Yes Housing Rating NEMA 4H (NEMA 4X equivalent) Application Type Valve actuator Replacement Series PR Series Weight 22.10 lb Information About SY3-110 The SY3-110 is part of Belimo’s legacy heavy-duty valve actuator lineup developed for high-torque on/off valve control. It is engineered to deliver 1335 in-lb of torque, making it suitable for large or high-resistance valve assemblies. The actuator operates on 120 V AC power and includes integrated end switches for position indication and control interlocking. Designed with a NEMA 4H enclosure, it provides strong protection against moisture, dust, and harsh industrial conditions, and has since been replaced by the Belimo PR Series. Key Features High Torque Valve Actuation: Provides 1335 in-lb of torque to reliably operate large industrial and HVAC control valves. Non Spring Return Design: Maintains the last commanded valve position during power loss for stable system behavior. On Off Control Operation: Designed for straightforward open and close valve control in automation and isolation applications. Integrated End Switches: Built-in end switches support valve position feedback and control system interlocking. Rugged NEMA 4H Enclosure: Heavy-duty housing offers protection against dust, moisture, and wash-down environments. Line Voltage Power Supply: Operates directly on 120 V AC without the need for additional control transformers. Legacy Belimo Platform: Recognized as a predecessor to the current Belimo PR Series actuators. The SY3-110 delivers the reliability and precision required for high-torque on/off valve control in demanding industrial and HVAC environments.
Brand: Belimo · Category: Motors & Motion
Key features
- High Torque Valve Actuation: Provides 1335 in-lb of torque to reliably operate large industrial and HVAC control valves.
- Non Spring Return Design: Maintains the last commanded valve position during power loss for stable system behavior.
- On Off Control Operation: Designed for straightforward open and close valve control in automation and isolation applications.
- Integrated End Switches: Built-in end switches support valve position feedback and control system interlocking.
- Rugged NEMA 4H Enclosure: Heavy-duty housing offers protection against dust, moisture, and wash-down environments.
- Line Voltage Power Supply: Operates directly on 120 V AC without the need for additional control transformers.
- Legacy Belimo Platform: Recognized as a predecessor to the current Belimo PR Series actuators.
Specifications
| Manufacturer part number | SY3-110 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Valve Actuators |
| Part Number | SY3-110 |
| Subcategory | Non-Spring Actuators |
| Actuator Type | Non spring return |
| Control Input | On/Off |
| Nominal Voltage | AC 120 V |
| Torque Output | 1335 in-lb |
| End Switch | Yes |
| Housing Rating | NEMA 4H (NEMA 4X equivalent) |
| Application Type | Valve actuator |
| Replacement Series | PR Series |
| Weight | 22.10 lb |
| Product type | Non-Spring Actuators |
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