Data Sheet for Product
Table Of Contents
Submittal Sheet
Document No. 154-001P25
August 28, 2012
OpenAir™ GCA Series, Spring Return,160 lb-in,
Electronic Damper Actuators
Siemens Industry, Inc.
Description
The OpenAir GCA Series spring return, 160 lb-in (18 Nm) electronic damper actuators
provide modulating, two-position and floating control of building HVAC dampers.
Operating
Voltage
Control Cables
Built-in
Control
Options
Product
Number
24 Vac ± 20%
24 Vdc ±10%
120 Vac ± 10%
0 to 10 Vdc
2 to 10 Vdc or
0 to 10 Vdc
Floating
2-position
Standard
Plenum
Position Feedback
Dual Auxiliary
Switches
Signal Inversion
Offset 0 to 5 Vdc
Span 2 to 30 Vdc
GCA121.1U ● ● ● ●
GCA121.1P ● ● ● ●
GCA126.1U ●
●
● ● ●
GCA126.1P ●
●
● ● ●
GCA221.1U ● ● ●
GCA226.1U ● ● ● ●
GCA131.1U ● ● ● ●
GCA131.1P ● ● ● ●
GCA132.1U ● ● ● ● ●
GCA136.1U ● ● ● ● ●
GCA136.1P ● ● ● ● ●
GCA151.1U ● ● ● ●
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●
GCA151.1P ● ● ● ●
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●
GCA156.1U ● ● ● ●
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● ●
GCA156.1P ● ● ● ●
●
● ●
GCA161.1U ●
●
● ●
●
GCA161.1P ●
●
● ●
●
GCA163.1U ●
●
●
●
●
●
GCA163.1P ●
●
●
●
●
●
GCA164.1U ●
●
●
●
●
● ●
GCA164.1P ●
●
●
●
●
● ●
GCA166.1U ●
●
● ●
●
●
GCA166.1P ●
●
● ●
●
●
.
Features
• Brushless DC motor technology with
stall protection
• Bi-directional fail-safe spring return
• Patented self-centering shaft coupling
• Models available with dual
independently adjustable auxiliary
switches
• All modulating models offer built-in
feedback
• Floating control models available with
feedback potentiometer
• All metal housing
• Manual override
• 5° preload as shipped from factory
• Mechanical range adjustment capability
by moving shaft coupling to desired
position
• Easily visible position indicator
• Precabled
• CE, UL60730, and
cUL (C22.2 No. 24-93) listed