Data Sheet for Product

OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control Technical Instructions
Document No. 155-177P25
August 6, 2019
Siemens Industry, Inc. Page 5
Accessories,
continued
Figure 5. Tandem Mount Bracket.
ASK73.1: Bracket provides an extended
anti-rotation pin that allows two GIB13x
OpenAir actuators to directly drive a
single damper shaft. For use with three-
position actuators.
Figure 6. Special Shaft Adapter.
ASK74.1U: Shaft adapter attaches to a
1.05-inch (26.6 mm) diameter shaft;
whereas, the standard self-centering
adapter accepts up to a 1.00-inch
(25.4 mm) diameter shaft.
Adapter can be used for coupling to
1-inch (25 mm) jackshafts that are slightly
oversized. Adapter is 13/16-inches (20
mm) shorter than the height of the self-
centering shaft adapter.
985-052P20: (no picture) Small shaft
insert (package of 20) when using the
GIB actuator on a damper shaft less than
3/4-inch (20 mm) diameter.
Figure 7. NEMA 3R Weather Shield.
ASK75.1U: GBB/GIB actuators are UL
listed to meet NEMA 3R requirements (a
degree of protection against rain, sleet,
snow, and damage from external ice
formation) when installed with the
ASK75.1U Weather Shield and
outdoor-rated conduit fittings in the
vertical position.
For dimensions, see Figure 24.
Figure 8. NEMA Type 4X Weather Shield.
ASK75.7U: GBB and GIB Actuators are
UL listed to meet NEMA Type 4X
requirements (a degree of protection
against falling dirt, rain, sleet, snow,
windblown dust, splashing water, hose-
directed water, corrosion, and damage
from external ice formation) when
installed with an ASK75.7U Weather
Shield and outdoor-rated conduit fittings.
This weather shield may be mounted in
any orientation.
For dimensions, see Figure 25.
Figure 9. Heater/Weather
Shield Assembly.
985-106: Provides protection for GIB,
GBB and GCA OpenAir actuators in an
outside low temperature. Assembly
includes:
• Weather Shield (ASK75.1U)
• Heater Kit (985-105)