Data Sheet for Product

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
GCA151.1P
GCA156.1U
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

Summary of content (2 pages)