Siemens Building Technologies OpenAir GEB Series Catalog Page
Electronic Damper Actuator
Siemens
Product Guard
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Non-Spring Return
OpenAir
TM
GEB Series
Easily Replaces:
• Belimo NM Series
132 lb.-in. Torque
24 Vac, Floating Control
0 to 10 Vdc or 2 to 10 Vdc, Modulating Control
Description
The OpenAir GEB Series Direct-coupled, Non-spring
Return Electronic Damper Actuators provide modulating
and oating control of building HVAC dampers.
Features
• Integral 1/2-inch conduit connector
• Unique self-centering shaft coupling
• All metal housing
• Manual override
• DIP switches GEB16x.1x
– Direction of rotation
– Adaptation of rotational angle range
– Selection of 0 to 10 or 2 to 10 Vdc control signal
• Mechanical range adjustment capability
• Easily visible position indicator
• Precabled
• UL60730, cUL (C22.2 No. 24-93) and CE listed
• Brushless motor technology
• All modulating types contain built-in feedback
• Assembled in the U.S.A.
GEB Series Non-spring Return
Direct-coupled Electronic Damper Actuator.
Applications
The OpenAir GEB Series Damper Actuators are ideal for
Constant or Variable Air Volume installations for the control
of return air, mixed air, exhaust, and face and bypass
dampers that require up to 132 lb.-in. of torque.
B-25
Damper Actuators
Options
• Dual independently adjustable auxiliary switches
• Adjustable offset/span
• Floating control models available with feedback
potentiometer
Siemens
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PLUS 3 Warranty
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GEB Series Specifications
B-26
Power Supply .................................................................................24 Vac
Operating Voltage ............................................................... 24 Vac ±20%
Frequency .................................................................................. 50/60 Hz
Runtime for 90° ....................................................... 125 seconds (60 Hz)
150 seconds (50 Hz)
Power Consumption GEB16x.1x
Running ....................................................................................5 VA/4W
Holding ............................................................................................ 1 VA
Power Consumption GEB13 x.1x
Running .....................................................................................3 VA/3W
Holding ............................................................................................ 1 VA
Equipment Rating (24 Vac) ......................................Class 2 per UL/CSA
Control Signal
Input Signal (wires 8-2) ........................................................GEB16x.xx
Voltage Input ..........................0 to 10 Vdc or 2 to 10 Vdc (max. 35 Vdc)
Input Resistance................................................................ >100K Ohms
Feedback Signal ................ Position output signal (wires 9-2)GEB16x.xx
Voltage Output...................................................................... 0 to 10 Vdc
Max. Output Current ..................................................................... ±1 mA
Control Signal Adjustment
Offset (Start Point) .................................................................. 0 to 5 Vdc
Factory Setting ............................................................................. 0 V
Span .................................................................................... 2 to 30 Vdc
Factory Setting ........................................................................... 30 V
Dual Auxiliary Switch
Contact Rating
AC Rating .....................................................................24 to 250 Vac
AC 6A Resistive
AC 2A General Purpose
DC Rating ...................................................................... 12 to 30 Vdc
DC 2A
Plenum Cable ....................................4A resistive, 2A, General Purpose
Voltage
Standard Cable.............................................................24 to 250 Vac
Plenum Cable ..........................................................................24 Vac
Switch Range
Switch A .......................................................0 to 90° with 5° intervals
Recommended Range........................................................... 0 to 45°
Switch B................................................................................. 0 to 90°
Recommended Range......................................................... 45 to 90°
Switching Hysteresis ........................................................................... 2°
Position Feedback
GEB132.1U ....................................................... 0 to 1000 Ohm <10 mA
Torque
Running Torque .........................................................132 lb.-in. (16 Nm)
Spring Return Torque ................................................132 lb.-in. (16 Nm)
Max. Torque .............................................................>265 lb.-in. (30 Nm)
Nominal Angle of Rotation ................................................90°, 95° max.
Shaft Dimensions .................................1/4 to 3/4-in. (6 to 20.5 mm) Dia.
1/4 to 1/2-in. (6 to 13 mm) Sq.
Min. Shaft Length ............................................................ 3/4-in. (20 mm)
Temperature
Operating...................................................-25 to +130°F (-32 to +55°C)
Storage ......................................................-40 to +158°F (-40 to +70°C)
Humidity ...........................................................95% RH, non-condensing
Pre-cabled Connection .................................. 18 AWG, 3 ft. (0.9 m) long
Housing
Enclosure .................................................................................. NEMA 1
Material............................................................. Die-cast Aluminum alloy
Gear Lubrication .................................................................Silicone free
Agency Certications .................................UL60730, (Replaces UL873)
cUL C22.2 No. 24-93
CE
Dimensions .................................................. 8.38" H x 3.25" W x 2.67" D
(212 mm H x 83 mm W x 68 mm D)
Shipping Weight ..............................................................2.2 lbs. (1.0 kg)
Refer to page B-9 for Dimensions.
Damper Actuators
GEB Series Product Ordering
Input Signal Cabling
Modulating, 0 to 10 Vdc
Floating, 24 Vac
Accessories & Service Kits
Part No.
Dual Aux.
Switches &
Offset/Span
Standard
Plenum Cable GEB161.1P — — —
Standard GEB161.1U GEB164.1U — —
Plenum Cable GEB131.1P — — —
Standard GEB131.1U — GEB132.1U GEB136.1U
Only
Position
Feedback Only
Dual Aux.
Switches Only
B-49
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