Siemens Building Technology GCA166.1U Actuator
The Siemens GCA166.1U is a heavy-duty OpenAir spring return actuator engineered for precise modulating control of HVAC dampers in commercial building automation systems. Operating on 24V AC/DC, this unit delivers a robust 142 lb-in torque (rated up to 160 lb-in in specific applications) to manage large damper areas effectively. It utilizes a 0-10VDC control signal for linear positioning and features dual auxiliary switches for end-stop monitoring or interlocking with peripheral equipment. Designed for high-reliability environments, the brushless DC motor provides integrated stall protection, ensuring longevity without the need for mechanical limit switches. The self-centering shaft coupling accommodates various shaft sizes up to 1 inch, drastically reducing installation time for field technicians. With a 90-second run time and a mechanical fail-safe spring return, this actuator ensures dampers reach their mandated position during power loss, maintaining facility safety and pressure control.
Key Benefits- Precise Modulation: Provides accurate 0-10VDC positioning for fine-tuned airflow and temperature control.
- Built-in Feedback: Features dual adjustable auxiliary switches for real-time status confirmation.
- Fail-Safe Reliability: Mechanical spring return ensures positive closure or opening upon power failure.
- Universal Mounting: The patented self-centering shaft adapter minimizes labor and ensures a secure fit on round or square shafts.
- Durable Construction: Housed in a rugged die-cast aluminum casing designed for NEMA 2 environments.
How do I adjust the auxiliary switches on the GCA166.1U?
The dual switches are independently adjustable. Use the onboard dials to set the desired switching points between 0° and 90° for end-stop or intermediate positioning signals.
What is the maximum damper size this actuator can handle?
While sizing depends on damper construction and air velocity, the 142 lb-in torque rating typically supports dampers up to 35 square feet. Always verify the manufacturer's torque requirements for your specific louvers.
Can this actuator be used in outdoor applications?
The standard housing is NEMA 2/IP54. For outdoor installation, a protective weather shield (ASK75 Series) is required to maintain environmental integrity.
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: $413.12
-65%$413.12
$144.59Siemens Building Technology GCA166.1U Actuator
The Siemens GCA166.1U is a heavy-duty OpenAir spring return actuator engineered for precise modulating control of HVAC dampers in commercial building automation systems. Operating on 24V AC/DC, this unit delivers a robust 142 lb-in torque (rated up to 160 lb-in in specific applications) to manage large damper areas effectively. It utilizes a 0-10VDC control signal for linear positioning and features dual auxiliary switches for end-stop monitoring or interlocking with peripheral equipment. Designed for high-reliability environments, the brushless DC motor provides integrated stall protection, ensuring longevity without the need for mechanical limit switches. The self-centering shaft coupling accommodates various shaft sizes up to 1 inch, drastically reducing installation time for field technicians. With a 90-second run time and a mechanical fail-safe spring return, this actuator ensures dampers reach their mandated position during power loss, maintaining facility safety and pressure control.
Key Benefits- Precise Modulation: Provides accurate 0-10VDC positioning for fine-tuned airflow and temperature control.
- Built-in Feedback: Features dual adjustable auxiliary switches for real-time status confirmation.
- Fail-Safe Reliability: Mechanical spring return ensures positive closure or opening upon power failure.
- Universal Mounting: The patented self-centering shaft adapter minimizes labor and ensures a secure fit on round or square shafts.
- Durable Construction: Housed in a rugged die-cast aluminum casing designed for NEMA 2 environments.
How do I adjust the auxiliary switches on the GCA166.1U?
The dual switches are independently adjustable. Use the onboard dials to set the desired switching points between 0° and 90° for end-stop or intermediate positioning signals.
What is the maximum damper size this actuator can handle?
While sizing depends on damper construction and air velocity, the 142 lb-in torque rating typically supports dampers up to 35 square feet. Always verify the manufacturer's torque requirements for your specific louvers.
Can this actuator be used in outdoor applications?
The standard housing is NEMA 2/IP54. For outdoor installation, a protective weather shield (ASK75 Series) is required to maintain environmental integrity.
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 GCA166.1U is a heavy-duty OpenAir spring return actuator engineered for precise modulating control of HVAC dampers in commercial building automation systems. Operating on 24V AC/DC, this unit delivers a robust 142 lb-in torque (rated up to 160 lb-in in specific applications) to manage large damper areas effectively. It utilizes a 0-10VDC control signal for linear positioning and features dual auxiliary switches for end-stop monitoring or interlocking with peripheral equipment. Designed for high-reliability environments, the brushless DC motor provides integrated stall protection, ensuring longevity without the need for mechanical limit switches. The self-centering shaft coupling accommodates various shaft sizes up to 1 inch, drastically reducing installation time for field technicians. With a 90-second run time and a mechanical fail-safe spring return, this actuator ensures dampers reach their mandated position during power loss, maintaining facility safety and pressure control.
Key Benefits- Precise Modulation: Provides accurate 0-10VDC positioning for fine-tuned airflow and temperature control.
- Built-in Feedback: Features dual adjustable auxiliary switches for real-time status confirmation.
- Fail-Safe Reliability: Mechanical spring return ensures positive closure or opening upon power failure.
- Universal Mounting: The patented self-centering shaft adapter minimizes labor and ensures a secure fit on round or square shafts.
- Durable Construction: Housed in a rugged die-cast aluminum casing designed for NEMA 2 environments.
How do I adjust the auxiliary switches on the GCA166.1U?
The dual switches are independently adjustable. Use the onboard dials to set the desired switching points between 0° and 90° for end-stop or intermediate positioning signals.
What is the maximum damper size this actuator can handle?
While sizing depends on damper construction and air velocity, the 142 lb-in torque rating typically supports dampers up to 35 square feet. Always verify the manufacturer's torque requirements for your specific louvers.
Can this actuator be used in outdoor applications?
The standard housing is NEMA 2/IP54. For outdoor installation, a protective weather shield (ASK75 Series) is required to maintain environmental integrity.
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.
