GCA161.1U | Siemens Actuator
Siemens · Motors & Motion
Description The Siemens GCA161.1U is a high-performance, spring return electronic damper actuator from the OpenAir™ GCA Series. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Machine Parts Part Number GCA161.1U Subcatecory Electric Actuator Torque 160 lb-in Positioning Time Open:90 s, Close:15 s Position Feedback Yes Power Consumption Running: 7 VA / 5 W, Holding: 5 VA / 3 W Ambient Humidity, Operation 95 % r.h. Angular Rotation 90° Operating Voltage 7…28.8 V24 V#AC/DC Frequency 50/60 Hz Cable Length 3 ft Material, Housing NEMA 2, die-cast aluminum alloy enclosure, IP54 according to EN 60 529 Degree of Protection IP54 Dimensions (W x H x D) 4.75 x 11.81 x 2.88 in Weight 5.16 lbs Information About GCA161.1U The Siemens GCA161.1U is a high-performance electronic damper actuator from the OpenAir™ GCA Series, designed for precise positioning of HVAC dampers in building automation systems. It offers robust, reliable operation with advanced features to support energy-efficient and resilient system control. Key Features: Torque Output: 160 lb-in (18 Nm) Control Signal: Modulating 0–10 VDC or 4–20 mA input Operating Voltage: 24 VAC/DC Fail-Safe Function: Spring return ensures the damper returns to a safe position during power loss Motor Type: Brushless DC motor for higher efficiency and longer life Positioning Time: Motor drive: 150 seconds (for 90° rotation) Spring return: 20 seconds (typical) Angle of Rotation: 95° nominal (adjustable with mechanical stops) Shaft Coupling: Self-centering, designed for easy installation Manual Override: Provided for setup and testing Position Indicator: Mechanical, highly visible for quick status checks Protection Class: NEMA 2 / IP54 rated housing Operating Temperature Range: -22°F to +122°F (-30°C to +50°C) Mounting Options: Direct coupling to damper shafts, universal clamp Certifications: UL, cUL listed, CE marked The GCA161.1U is ideal for commercial HVAC applications that demand dependable modulating control, energy efficiency, and fail-safe spring return functionality. Its rugged design and flexible control options make it well-suited for new installations and retrofit projects in large air handling units and ventilation systems.
Brand: Siemens · Category: Motors & Motion
Key features
- Torque Output: 160 lb-in (18 Nm)
- Control Signal: Modulating 0–10 VDC or 4–20 mA input
- Operating Voltage: 24 VAC/DC
- Fail-Safe Function: Spring return ensures the damper returns to a safe position during power loss
- Motor Type: Brushless DC motor for higher efficiency and longer life
- Positioning Time: Motor drive: 150 seconds (for 90° rotation)
- Spring return: 20 seconds (typical)
- Angle of Rotation: 95° nominal (adjustable with mechanical stops)
- Shaft Coupling: Self-centering, designed for easy installation
- Manual Override: Provided for setup and testing
- Position Indicator: Mechanical, highly visible for quick status checks
- Protection Class: NEMA 2 / IP54 rated housing
- Operating Temperature Range: -22°F to +122°F (-30°C to +50°C)
- Mounting Options: Direct coupling to damper shafts, universal clamp
- Certifications: UL, cUL listed, CE marked
Specifications
| Manufacturer part number | GCA161.1U |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Machine Parts |
| Part Number | GCA161.1U |
| Subcatecory | Electric Actuator |
| Torque | 160 lb-in |
| Positioning Time | Open:90 s, Close:15 s |
| Position Feedback | Yes |
| Power Consumption | Running: 7 VA / 5 W, Holding: 5 VA / 3 W |
| Ambient Humidity, Operation | 95 % r.h. |
| Angular Rotation | 90° |
| Operating Voltage | 7…28.8 V24 V#AC/DC |
| Frequency | 50/60 Hz |
| Cable Length | 3 ft |
| Material, Housing | NEMA 2, die-cast aluminum alloy enclosure, IP54 according to EN 60 529 |
| Degree of Protection | IP54 |
| Dimensions (W x H x D) | 4.75 x 11.81 x 2.88 in |
| Weight | 5.16 lbs |
| Product type | Actuator |
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