Siemens Building Technology GMA161.1U Actuator
The Siemens GMA161.1U is a high-performance spring return damper actuator designed for professional HVAC installations requiring precise modulating control. This direct-coupled electronic actuator delivers 62 lb-in (7 Nm) of torque, making it a reliable solution for managing return air, mixed air, and exhaust dampers in both constant and variable air volume systems. Operating on a 24Vac/Vdc power supply, it utilizes a brushless DC motor with stall protection to ensure long-term reliability without the risk of burnout at end-of-stroke positions.
For contractors focus on building automation systems, this unit accepts a standard 0-10 Vdc control signal and provides a proportional 0-10 Vdc feedback signal for accurate position monitoring. The bi-directional fail-safe spring return function ensures the damper reaches its safety position in under 15 seconds during power loss, while the 90-second motor runtime provides smooth operation during normal cycles. Its NEMA 1 (IP54) die-cast aluminum housing and self-centering shaft coupling simplify the retrofit or new installation process on shafts ranging from 1/4" to 3/4" in diameter.
Key Benefits- Provides 62 lb-in of torque for reliable HVAC damper control in commercial applications.
- Integrated 0-10 Vdc feedback allows for real-time positioning data within the BAS.
- Features a rugged NEMA 1 aluminum enclosure to withstand demanding mechanical environments.
- Self-centering shaft coupling reduces installation labor and ensures a secure mechanical connection.
- Brushless DC motor technology eliminates the need for limit switches and prevents motor overheating.
How do I reverse the rotation for fail-safe operation?
The fail-safe direction (clockwise or counter-clockwise) is determined by the side of the actuator facing the damper shaft during mounting. Flip the unit over to change the return direction.
What happens if the 0-10 Vdc control signal is lost?
If the positioning signal is lost while power is still applied, the actuator will return to its zero position. If total power is lost, the mechanical spring return takes over.
Can this actuator be used in exterior applications?
The Siemens GMA161.1U is rated NEMA 1 (IP54). For outdoor use, it must be installed within a NEMA 3R or 4X rated weather shield to protect against moisture and UV exposure.
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.
Siemens Building Technology GMA161.1U Actuator
The Siemens GMA161.1U is a high-performance spring return damper actuator designed for professional HVAC installations requiring precise modulating control. This direct-coupled electronic actuator delivers 62 lb-in (7 Nm) of torque, making it a reliable solution for managing return air, mixed air, and exhaust dampers in both constant and variable air volume systems. Operating on a 24Vac/Vdc power supply, it utilizes a brushless DC motor with stall protection to ensure long-term reliability without the risk of burnout at end-of-stroke positions.
For contractors focus on building automation systems, this unit accepts a standard 0-10 Vdc control signal and provides a proportional 0-10 Vdc feedback signal for accurate position monitoring. The bi-directional fail-safe spring return function ensures the damper reaches its safety position in under 15 seconds during power loss, while the 90-second motor runtime provides smooth operation during normal cycles. Its NEMA 1 (IP54) die-cast aluminum housing and self-centering shaft coupling simplify the retrofit or new installation process on shafts ranging from 1/4" to 3/4" in diameter.
Key Benefits- Provides 62 lb-in of torque for reliable HVAC damper control in commercial applications.
- Integrated 0-10 Vdc feedback allows for real-time positioning data within the BAS.
- Features a rugged NEMA 1 aluminum enclosure to withstand demanding mechanical environments.
- Self-centering shaft coupling reduces installation labor and ensures a secure mechanical connection.
- Brushless DC motor technology eliminates the need for limit switches and prevents motor overheating.
How do I reverse the rotation for fail-safe operation?
The fail-safe direction (clockwise or counter-clockwise) is determined by the side of the actuator facing the damper shaft during mounting. Flip the unit over to change the return direction.
What happens if the 0-10 Vdc control signal is lost?
If the positioning signal is lost while power is still applied, the actuator will return to its zero position. If total power is lost, the mechanical spring return takes over.
Can this actuator be used in exterior applications?
The Siemens GMA161.1U is rated NEMA 1 (IP54). For outdoor use, it must be installed within a NEMA 3R or 4X rated weather shield to protect against moisture and UV exposure.
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 Siemens GMA161.1U is a high-performance spring return damper actuator designed for professional HVAC installations requiring precise modulating control. This direct-coupled electronic actuator delivers 62 lb-in (7 Nm) of torque, making it a reliable solution for managing return air, mixed air, and exhaust dampers in both constant and variable air volume systems. Operating on a 24Vac/Vdc power supply, it utilizes a brushless DC motor with stall protection to ensure long-term reliability without the risk of burnout at end-of-stroke positions.
For contractors focus on building automation systems, this unit accepts a standard 0-10 Vdc control signal and provides a proportional 0-10 Vdc feedback signal for accurate position monitoring. The bi-directional fail-safe spring return function ensures the damper reaches its safety position in under 15 seconds during power loss, while the 90-second motor runtime provides smooth operation during normal cycles. Its NEMA 1 (IP54) die-cast aluminum housing and self-centering shaft coupling simplify the retrofit or new installation process on shafts ranging from 1/4" to 3/4" in diameter.
Key Benefits- Provides 62 lb-in of torque for reliable HVAC damper control in commercial applications.
- Integrated 0-10 Vdc feedback allows for real-time positioning data within the BAS.
- Features a rugged NEMA 1 aluminum enclosure to withstand demanding mechanical environments.
- Self-centering shaft coupling reduces installation labor and ensures a secure mechanical connection.
- Brushless DC motor technology eliminates the need for limit switches and prevents motor overheating.
How do I reverse the rotation for fail-safe operation?
The fail-safe direction (clockwise or counter-clockwise) is determined by the side of the actuator facing the damper shaft during mounting. Flip the unit over to change the return direction.
What happens if the 0-10 Vdc control signal is lost?
If the positioning signal is lost while power is still applied, the actuator will return to its zero position. If total power is lost, the mechanical spring return takes over.
Can this actuator be used in exterior applications?
The Siemens GMA161.1U is rated NEMA 1 (IP54). For outdoor use, it must be installed within a NEMA 3R or 4X rated weather shield to protect against moisture and UV exposure.
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.
