Description
Belimo GRB24-MFT-7 Overview
The Belimo GRB24-MFT-7 is a 24 VAC/DC non-spring-return (NSR) modulating damper actuator engineered for precise airflow control in commercial and industrial HVAC applications. Featuring Belimo’s Multi-Function Technology (MFT), this actuator offers exceptional field flexibility, allowing technicians to configure the control input signal on-site without the need for additional hardware or factory orders. The integrated auxiliary switch (denoted by the “-7” suffix) provides a built-in end-position feedback signal for use with building automation systems and control panels.
Key Features
- 24 VAC/DC power supply for broad system compatibility
- Non-spring-return (NSR) operation — holds last position on power loss
- Multi-Function Technology (MFT) — field-configurable control input (0–10V, 2–10V, 4–20mA, and more)
- Integrated auxiliary switch for end-position feedback and interlock wiring
- Proportional modulating control for accurate damper positioning
- Compact, robust housing designed for long service life
- Manual override function for commissioning and maintenance convenience
- UL listed and CE marked for compliance with North American and international standards
Application
The GRB24-MFT-7 is ideally suited for use on dampers in air handling units (AHUs), VAV systems, economizers, and general ventilation systems. Its MFT capability makes it a versatile drop-in solution across a wide range of BAS/DDC platforms, reducing the need to stock multiple actuator models.
Why Choose Belimo
Belimo is the global leader in damper actuator technology, trusted by HVAC contractors and building automation engineers worldwide. The GRB series combines field-proven reliability with advanced configurability, minimizing installation time and long-term maintenance costs.
Specifications
- Brand: Belimo
- Model: GRB24-MFT-7
- Power Supply: 24 VAC/DC
- Control Type: Modulating (MFT — Multi-Function Technology)
- Return Type: Non-Spring-Return (NSR)
- Auxiliary Switch: Yes (integrated)
- Certifications: UL Listed, CE Marked







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