PRBUP-3-T | Belimo Butterfly Valve Actuator 24–240 Vac On Off Floating Nema 4X
Belimo · Motors & Motion
Description The Belimo PRBUP-3-T is an electric butterfly valve actuator designed for on/off and floating point control of large-diameter valves in HVAC and industrial systems. It operates over a wide AC/DC voltage range and provides reliable non-spring return actuation with integrated auxiliary switching. Technical Specifications Condition New/Never Used Surplus Brand Belimo Category HVAC Control Components Part Number PRBUP-3-T Subcategory Butterfly Valve Actuators Actuator Type Electric, Non-Spring Return Compatible Valve Size 2 in to 24 in Nominal Voltage AC 24–240 V / DC 24–125 V Frequency 50/60 Hz Voltage Range AC 19.2–264 V / DC 19.2–137.5 V Power Consumption (Operation) 23 W Power Consumption (Rest) 7.5 W Transformer Sizing 23 VA @ 24 V / 55 VA @ 240 V Control Type On/Off, Floating Point Auxiliary Switches 2 × SPDT Switching Capacity 1 mA–3 A, up to 250 VAC Electrical Connection Terminal blocks with PE ground screw Overload Protection Electronic, full rotation Angle of Rotation 90° Running Time 35 s / 90° Manual Override 7 mm hex crank (included) Position Indication Integral mechanical pointer Degree of Protection IP66/67 Enclosure Rating NEMA 4X Ambient Temperature −30…50°C Ambient Humidity Up to 100% RH Weight 6.8 lb (3.1 kg) Information About PRBUP-3-T The PRBUP-3-T is a Belimo butterfly valve actuator developed for demanding control applications involving large valves and harsh environments. It is designed to mount on butterfly valves ranging from 2 inches to 24 inches in diameter and supports both on/off and floating point control strategies. The actuator accepts a broad AC/DC voltage range, reducing the need for dedicated power supplies across different installations. Its sealed NEMA 4X enclosure and electronic overload protection support reliable long-term operation in mechanical rooms, rooftops, and industrial settings. Key Features Wide power input range: Supports AC 24–240 V and DC 24–125 V to accommodate varied electrical infrastructures. Large butterfly valve compatibility: Designed for direct mounting on valves from 2 inches up to 24 inches in diameter. On/off and floating control modes: Enables flexible control strategies for HVAC and industrial automation systems. Integrated auxiliary switching: Two SPDT auxiliary switches provide position indication, interlocking, or signaling functions. Rugged environmental protection: IP66/67 and NEMA 4X ratings allow use in washdown, outdoor, and high-humidity environments. Electronic overload protection: Protects the actuator throughout the full 90-degree rotation range to enhance durability. Manual override capability: Supplied with a hex crank to allow manual positioning during commissioning or maintenance. The PRBUP-3-T delivers the reliability and precision required for dependable actuation of large butterfly valves in HVAC and industrial control applications.
Brand: Belimo · Category: Motors & Motion
Key features
- Wide power input range: Supports AC 24–240 V and DC 24–125 V to accommodate varied electrical infrastructures.
- Large butterfly valve compatibility: Designed for direct mounting on valves from 2 inches up to 24 inches in diameter.
- On/off and floating control modes: Enables flexible control strategies for HVAC and industrial automation systems.
- Integrated auxiliary switching: Two SPDT auxiliary switches provide position indication, interlocking, or signaling functions.
- Rugged environmental protection: IP66/67 and NEMA 4X ratings allow use in washdown, outdoor, and high-humidity environments.
- Electronic overload protection: Protects the actuator throughout the full 90-degree rotation range to enhance durability.
- Manual override capability: Supplied with a hex crank to allow manual positioning during commissioning or maintenance.
Specifications
| Manufacturer part number | PRBUP-3-T |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | HVAC Control Components |
| Part Number | PRBUP-3-T |
| Subcategory | Butterfly Valve Actuators |
| Actuator Type | Electric, Non-Spring Return |
| Compatible Valve Size | 2 in to 24 in |
| Nominal Voltage | AC 24–240 V / DC 24–125 V |
| Frequency | 50/60 Hz |
| Voltage Range | AC 19.2–264 V / DC 19.2–137.5 V |
| Power Consumption (Operation) | 23 W |
| Power Consumption (Rest) | 7.5 W |
| Transformer Sizing | 23 VA @ 24 V / 55 VA @ 240 V |
| Control Type | On/Off, Floating Point |
| Auxiliary Switches | 2 × SPDT |
| Switching Capacity | 1 mA–3 A, up to 250 VAC |
| Electrical Connection | Terminal blocks with PE ground screw |
| Overload Protection | Electronic, full rotation |
| Angle of Rotation | 90° |
| Running Time | 35 s / 90° |
| Manual Override | 7 mm hex crank (included) |
| Position Indication | Integral mechanical pointer |
| Degree of Protection | IP66/67 |
| Enclosure Rating | NEMA 4X |
| Ambient Temperature | −30…50°C |
| Ambient Humidity | Up to 100% RH |
| Weight | 6.8 lb (3.1 kg) |
| Product type | Butterfly Valve Actuators |
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