![Belimo GMB24-3 Damper Actuator — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9032665170142.png?v=1782840206&width=1445)
The Belimo GMB24-3 Damper Actuator is a compact HVAC damper actuator delivering reliable ON/OFF control with direct-coupled, floating point operation. Designed for non-spring return applications, it runs on 24 Volt AC/DC and supports 50/60 Hz, ensuring compatibility across a wide range of commercial systems. This rugged unit combines precise positioning with long-term reliability, making it a trusted choice for dampers in classrooms, offices, and industrial facilities.
It features a weather-resistant enclosure (NEMA 2, IP54) and comes with an anti-rotation strap for secure mounting. With a torque of 360 in-lb and a 95° rotation, the GMB24-3 provides dependable damper control while complying with UL 60730, UL (Canada and US), CAN/CSA E60730, CE, and ISO 9001 standards.
- Voltage: 24V AC/DC; Frequency: 50/60 Hz
- Power: 4 W (Running), 2 W (Holding)
- Torque: 360 in-lb
- Angle of rotation: 95°
- Enclosure: NEMA 2, IP54
- Size: 4.55"W x 2.9"D x 9.02"H
- Shaft diameter: 1/2" to 1.05"
- Supply connection: 3 ft 18 AWG appliance cable with 1/2" conduit connector
- Operating temperature: -22 to 122°F
- Application: HVAC System
- Approvals: UL (Canada & US), UL 60730, CE, CAN/CSA E60730, ISO 9001
- Includes: Anti-rotation strap
Specifications
| Type | ON/OFF, Direct Coupled, Floating Point |
|---|---|
| Size | 4.55 Inch Width x 2.9 Inch Depth x 9.02 Inch Height |
| Voltage Rating | 24 Volt AC/DC |
| Power Rating | 4 Watt (Running), 2 Watt (Holding) |
| Frequency | 50/60 Hertz |
| Application | HVAC System |
| Approvals | UL (Canada and US), UL 60730, CE, CAN/CSA E60730, ISO 9001 |
| Enclosure | NEMA 2, IP54 |
| Operation Type | Non-Spring Return |
| Angle of Rotation | 95 Degree |
| Torque | 360 Inch-Pound |
| Shaft Diameter | 1/2 to 1.05 Inch |
| Operating Temperature | -22 to 122 Deg F |
| Supply Connection | 3 Foot 18 AWG Appliance Cable with 1/2 Inch Conduit Connector |
| Max AC Voltage | 24 Volt |
| Max DC Voltage | 24 Volt |