Specifications

OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions
Document No. 155-173P25
December 11, 2014
Siemens Industry, Inc. Page 5
Miscellaneous
Pre-cabled connection 18 AWG
Cable length 3 feet (0.9 m)
Noise level <45 dBA (running)
Life cycle Designed for over 60,000 full strokes
and a minimum of 1.5 million
repositions at rated torque and
temperature.
Dimensions See Figure 31.
Weight 4.85 lb (2.2 kg)
Actuator
Components
Figure 1. Modulating GCA Actuator.
NOTE: Not all features are on all models.
See Table 1 for a listing of features per
model.
Legend
1. Positioning scale for angle of
rotation
2. Manual override wrench
opening and direction of
rotation arrow
3. DIP switches
4. Span adjustment
5. Offset (start point) adjustment
6. Gear train lock pin
7. Auxiliary switch B
8. Auxiliary switch A
9. Position indicator
10. Self-centering shaft adapter
11. Shaft adapter locking clip
12. Position indicator adapter
13. Mounting bracket
14. Connection cables