Siemens Building Technology GCA151.1U Actuator
The Siemens GCA151.1U Actuator is a professional-grade spring return electronic damper actuator engineered for precise digital or analog control in building HVAC systems. Delivering a robust 142 lb-in torque (16 Nm), this modulating damper actuator is specifically designed for 24VAC/DC applications, including constant and variable air volume (VAV) installations. It effectively manages return air, mixed air, and exhaust dampers, ensuring a reliable fail-safe return to the home position during power loss via its bi-directional mechanical spring return system. By utilizing advanced brushless DC motor technology, the unit provides internal stall protection across its entire 90-degree rotational stroke, eliminating the need for external end switches and preventing motor burnout under high-load conditions.
Built with a rugged die-cast aluminum NEMA 2 enclosure, the GCA151.1U features a patented self-centering shaft coupling that accommodates shafts up to 1 inch, ensuring concentric alignment and reducing side loading on the drive. This model supports a 4-20mA control signal (readily convertible to 2-10VDC) and includes a standard 3-foot 18 AWG pre-cabled connection. With a typical 90-second run time and a rapid 15-second spring return, it offers high-performance response for critical airflow management. Transitioning from manual override is seamless, allowing contractors to position dampers during commissioning without electrical power.
Key Benefits:- Fail-Safe Reliability: Heavy-duty mechanical spring return ensures the damper reaches its safety position in under 20 seconds during power interruptions.
- Direct-Coupled Installation: The self-centering shaft adapter simplifies mounting and prevents slippage on round or square damper shafts.
- Maintenance-Free Design: Brushless DC motor technology provides consistent torque and enhanced longevity without the risk of stalling.
- Precision Control: High-contrast position indicator and 5-degree factory preload ensure tight damper shut-off and easy visual verification.
- Durable Construction: IP54/NEMA 2 rated aluminum housing protects internal gear trains in demanding mechanical room environments.
- Can this actuator handle 4-20mA signals directly? Yes, the GCA151.1U is designed to accept 4-20mA modulating signals for precise air volume adjustment.
- What shaft sizes are compatible with the self-centering coupling? It integrates with round shafts from 3/8" to 1" and square shafts from 1/4" to 3/4".
- Does the motor require limit switches? No, the integrated stall protection automatically stops the motor at the end of the stroke or if an obstruction is detected.
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: $380.60
-65%$380.60
$133.21Siemens Building Technology GCA151.1U Actuator
The Siemens GCA151.1U Actuator is a professional-grade spring return electronic damper actuator engineered for precise digital or analog control in building HVAC systems. Delivering a robust 142 lb-in torque (16 Nm), this modulating damper actuator is specifically designed for 24VAC/DC applications, including constant and variable air volume (VAV) installations. It effectively manages return air, mixed air, and exhaust dampers, ensuring a reliable fail-safe return to the home position during power loss via its bi-directional mechanical spring return system. By utilizing advanced brushless DC motor technology, the unit provides internal stall protection across its entire 90-degree rotational stroke, eliminating the need for external end switches and preventing motor burnout under high-load conditions.
Built with a rugged die-cast aluminum NEMA 2 enclosure, the GCA151.1U features a patented self-centering shaft coupling that accommodates shafts up to 1 inch, ensuring concentric alignment and reducing side loading on the drive. This model supports a 4-20mA control signal (readily convertible to 2-10VDC) and includes a standard 3-foot 18 AWG pre-cabled connection. With a typical 90-second run time and a rapid 15-second spring return, it offers high-performance response for critical airflow management. Transitioning from manual override is seamless, allowing contractors to position dampers during commissioning without electrical power.
Key Benefits:- Fail-Safe Reliability: Heavy-duty mechanical spring return ensures the damper reaches its safety position in under 20 seconds during power interruptions.
- Direct-Coupled Installation: The self-centering shaft adapter simplifies mounting and prevents slippage on round or square damper shafts.
- Maintenance-Free Design: Brushless DC motor technology provides consistent torque and enhanced longevity without the risk of stalling.
- Precision Control: High-contrast position indicator and 5-degree factory preload ensure tight damper shut-off and easy visual verification.
- Durable Construction: IP54/NEMA 2 rated aluminum housing protects internal gear trains in demanding mechanical room environments.
- Can this actuator handle 4-20mA signals directly? Yes, the GCA151.1U is designed to accept 4-20mA modulating signals for precise air volume adjustment.
- What shaft sizes are compatible with the self-centering coupling? It integrates with round shafts from 3/8" to 1" and square shafts from 1/4" to 3/4".
- Does the motor require limit switches? No, the integrated stall protection automatically stops the motor at the end of the stroke or if an obstruction is detected.
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 GCA151.1U Actuator is a professional-grade spring return electronic damper actuator engineered for precise digital or analog control in building HVAC systems. Delivering a robust 142 lb-in torque (16 Nm), this modulating damper actuator is specifically designed for 24VAC/DC applications, including constant and variable air volume (VAV) installations. It effectively manages return air, mixed air, and exhaust dampers, ensuring a reliable fail-safe return to the home position during power loss via its bi-directional mechanical spring return system. By utilizing advanced brushless DC motor technology, the unit provides internal stall protection across its entire 90-degree rotational stroke, eliminating the need for external end switches and preventing motor burnout under high-load conditions.
Built with a rugged die-cast aluminum NEMA 2 enclosure, the GCA151.1U features a patented self-centering shaft coupling that accommodates shafts up to 1 inch, ensuring concentric alignment and reducing side loading on the drive. This model supports a 4-20mA control signal (readily convertible to 2-10VDC) and includes a standard 3-foot 18 AWG pre-cabled connection. With a typical 90-second run time and a rapid 15-second spring return, it offers high-performance response for critical airflow management. Transitioning from manual override is seamless, allowing contractors to position dampers during commissioning without electrical power.
Key Benefits:- Fail-Safe Reliability: Heavy-duty mechanical spring return ensures the damper reaches its safety position in under 20 seconds during power interruptions.
- Direct-Coupled Installation: The self-centering shaft adapter simplifies mounting and prevents slippage on round or square damper shafts.
- Maintenance-Free Design: Brushless DC motor technology provides consistent torque and enhanced longevity without the risk of stalling.
- Precision Control: High-contrast position indicator and 5-degree factory preload ensure tight damper shut-off and easy visual verification.
- Durable Construction: IP54/NEMA 2 rated aluminum housing protects internal gear trains in demanding mechanical room environments.
- Can this actuator handle 4-20mA signals directly? Yes, the GCA151.1U is designed to accept 4-20mA modulating signals for precise air volume adjustment.
- What shaft sizes are compatible with the self-centering coupling? It integrates with round shafts from 3/8" to 1" and square shafts from 1/4" to 3/4".
- Does the motor require limit switches? No, the integrated stall protection automatically stops the motor at the end of the stroke or if an obstruction is detected.
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.
