Belimo GKB24-3 Actuator
The Belimo GKB24-3 is a high-torque fail-safe damper actuator designed for demanding commercial HVAC applications. Engineered to deliver 360 in-lb [40 Nm] of torque, this 24V actuator provides reliable on/off or floating point control for dampers up to approximately 90 square feet. Built with a brushless DC motor, the unit utilizes an Application Specific Integrated Circuit (ASIC) for precise rotation monitoring and digital rotation sensing (DRS) to prevent mechanical damage during stall conditions. The electronic fail-safe mechanism ensures the damper returns to a pre-defined position upon power loss, while the 150-second motor run time maintains constant performance regardless of load. Maintenance-free operation and a NEMA 2 (IP54) rated enclosure make it a standard choice for air plenum installations and critical airflow management. This direct-coupled actuator features a universal clamp for shafts up to 1.05 inches, eliminating the need for complex linkages.
Key Benefits for Contactors- High Torque Performance: Delivers 360 in-lb of torque to handle large damper surfaces with consistent power.
- Electronic Fail-Safe: Reliable protection for HVAC systems by ensuring safety positions are met during power interruptions.
- Brushless DC Technology: Advanced motor design reduces power consumption in holding mode and extends service life.
- Simple Installation: Direct-coupled mounting and a manual override button streamline field commissioning.
- Flexible Control: Supports both triac/relay floating point and standard on/off control signals.
Is the fail-safe direction adjustable on the GKB24-3?
Yes, the fail-safe direction is reversible with a simple switch located on the actuator cover, allowing for normally open or normally closed configurations.
What size damper shaft can this actuator accommodate?
The universal shaft clamp is designed to mount directly to shafts ranging from 1/2 inch to 1.05 inches in diameter without additional hardware.
Can I add auxiliary switches to this model?
The Belimo GKB24-3 is compatible with add-on S1A or S2A auxiliary switches and feedback potentiometers for simplified system signaling.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $802.87
-65%$802.87
$281.00Belimo GKB24-3 Actuator
The Belimo GKB24-3 is a high-torque fail-safe damper actuator designed for demanding commercial HVAC applications. Engineered to deliver 360 in-lb [40 Nm] of torque, this 24V actuator provides reliable on/off or floating point control for dampers up to approximately 90 square feet. Built with a brushless DC motor, the unit utilizes an Application Specific Integrated Circuit (ASIC) for precise rotation monitoring and digital rotation sensing (DRS) to prevent mechanical damage during stall conditions. The electronic fail-safe mechanism ensures the damper returns to a pre-defined position upon power loss, while the 150-second motor run time maintains constant performance regardless of load. Maintenance-free operation and a NEMA 2 (IP54) rated enclosure make it a standard choice for air plenum installations and critical airflow management. This direct-coupled actuator features a universal clamp for shafts up to 1.05 inches, eliminating the need for complex linkages.
Key Benefits for Contactors- High Torque Performance: Delivers 360 in-lb of torque to handle large damper surfaces with consistent power.
- Electronic Fail-Safe: Reliable protection for HVAC systems by ensuring safety positions are met during power interruptions.
- Brushless DC Technology: Advanced motor design reduces power consumption in holding mode and extends service life.
- Simple Installation: Direct-coupled mounting and a manual override button streamline field commissioning.
- Flexible Control: Supports both triac/relay floating point and standard on/off control signals.
Is the fail-safe direction adjustable on the GKB24-3?
Yes, the fail-safe direction is reversible with a simple switch located on the actuator cover, allowing for normally open or normally closed configurations.
What size damper shaft can this actuator accommodate?
The universal shaft clamp is designed to mount directly to shafts ranging from 1/2 inch to 1.05 inches in diameter without additional hardware.
Can I add auxiliary switches to this model?
The Belimo GKB24-3 is compatible with add-on S1A or S2A auxiliary switches and feedback potentiometers for simplified system signaling.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Belimo GKB24-3 is a high-torque fail-safe damper actuator designed for demanding commercial HVAC applications. Engineered to deliver 360 in-lb [40 Nm] of torque, this 24V actuator provides reliable on/off or floating point control for dampers up to approximately 90 square feet. Built with a brushless DC motor, the unit utilizes an Application Specific Integrated Circuit (ASIC) for precise rotation monitoring and digital rotation sensing (DRS) to prevent mechanical damage during stall conditions. The electronic fail-safe mechanism ensures the damper returns to a pre-defined position upon power loss, while the 150-second motor run time maintains constant performance regardless of load. Maintenance-free operation and a NEMA 2 (IP54) rated enclosure make it a standard choice for air plenum installations and critical airflow management. This direct-coupled actuator features a universal clamp for shafts up to 1.05 inches, eliminating the need for complex linkages.
Key Benefits for Contactors- High Torque Performance: Delivers 360 in-lb of torque to handle large damper surfaces with consistent power.
- Electronic Fail-Safe: Reliable protection for HVAC systems by ensuring safety positions are met during power interruptions.
- Brushless DC Technology: Advanced motor design reduces power consumption in holding mode and extends service life.
- Simple Installation: Direct-coupled mounting and a manual override button streamline field commissioning.
- Flexible Control: Supports both triac/relay floating point and standard on/off control signals.
Is the fail-safe direction adjustable on the GKB24-3?
Yes, the fail-safe direction is reversible with a simple switch located on the actuator cover, allowing for normally open or normally closed configurations.
What size damper shaft can this actuator accommodate?
The universal shaft clamp is designed to mount directly to shafts ranging from 1/2 inch to 1.05 inches in diameter without additional hardware.
Can I add auxiliary switches to this model?
The Belimo GKB24-3 is compatible with add-on S1A or S2A auxiliary switches and feedback potentiometers for simplified system signaling.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
