Description
The Belimo PRBUP-3-T-250 is a heavy-duty, non-spring-return (NSR) on/off damper actuator engineered for dependable performance in commercial and industrial HVAC applications. With a wide operating voltage range of 24–240V AC/DC, this actuator offers exceptional installation flexibility across a broad spectrum of control systems and building automation environments.
Key Features
- Wide operating voltage range: 24–240V AC/DC for maximum system compatibility
- Non-spring-return (NSR) design — holds last position on power loss
- On/Off control signal for straightforward open/close damper operation
- Dual 2x SPDT (Single-Pole Double-Throw) auxiliary switches for end-position feedback and interlocking
- Robust construction suitable for demanding commercial and industrial HVAC environments
- Designed for use with Belimo PRBUP series butterfly valve and damper actuator platforms
Auxiliary Switch Details
- 2x SPDT auxiliary switches provide independent end-position signaling
- Ideal for status feedback, interlocking controls, and BAS integration
- Supports both normally open (NO) and normally closed (NC) circuit configurations
Application
The PRBUP-3-T-250 is well-suited for on/off control of large dampers and butterfly valves in air handling units, rooftop units, variable air volume (VAV) systems, and other commercial HVAC installations where reliable actuator feedback and wide voltage compatibility are required.
Why Choose Belimo?
Belimo is a globally recognized leader in actuator, valve, and sensor technology for HVAC systems. Their actuators are known for long service life, precise control, and ease of installation — making them a trusted choice for mechanical contractors and building automation professionals worldwide.
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