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Siemens GMA Series Spring Return Electric Damper Actuator

Siemens
Spring Return Electric Damper Actuator
GMA Series

The OpenAir GMA Series Direct Coupled, Spring Return Electronic Damper Actuators provide modulating, two position and floating control of building HVAC dampers.

• 24 Vac/dc compatible
• Integral 1/2-inch conduit connector
• Small actuator footprint with 62 lb.-in. of torque
• Bi-directional fail-safe spring return
• Unique self-centering shaft coupling
• Floating control models available with feedback potentiometer
• Manual override
• Mechanical range adjustment capability
• Easily visible position indicator
• Brushless DC motor technology
• Precabled
• UL60730, cUL (C22.2 No. 24-93), and CE listed
• All modulating types contain built-in feedback Options
• Dual independently adjustable auxiliary switch
• Adjustable offset and span
• Signal inversion

Select a link under the "item" tab below to order.

ItemInput SignalCablingStandardDual Aux. Switches Only
GMA161.1PModulating, 0 to 10 Vdc, 24 Vac/dcPlenum CableGMA161.1PGMA166.1P
GMA161.1UModulating, 0 to 10 Vdc, 24 Vac/dcStandardGMA161.1UGMA166.1U
GMA151.1PModulating, 24 Vac/dc 2 to 10 Vdc/10 to 2 Vdc (Signal inversion)Plenum CableGMA151.1PGMA156.1P
GMA151.1UModulating, 24 Vac/dc 2 to 10 Vdc/10 to 2 Vdc (Signal inversion)StandardGMA151.1UGMA156.1U
GMA121.1P2-position, 24 Vac/VdcPlenum CableGMA121.1PGMA126.1P
GMA121.1U2-position, 24 Vac/VdcStandardGMA121.1UGMA126.1U
GMA221.1U2-position, 120 VacStandardGMA221.1UGMA226.1U
GMA131.1PFloating, 24 Vac/VdcPlenum CableGMA131.1P
GMA131.1UFloating, 24 Vac/VdcStandardGMA131.1UGMA136.1U
Operating Voltage GMA12x, GMA13x, GMA16x, GMA15x: 24 Vac ±20%; 24 Vdc ±15%
GMA22x: 120 Vac ±10%
Frequency 50/60 Hz
Power Consumption 24 Vac/dc
Running:
5 VA/3.5W
Holding: 4 VA/3W
Equipment Rating Class 2, in accordance with UL/CSA
Control Signal Input Signal (wires 8-2) GMA16x
Voltage Input GMA16x 0 to 10 Vdc (max. 35 Vdc)
GMA15x 2 to 10 Vdc (max. 35 Vdc)
Input Resistance >100K Ohms
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: 4 to 250 Vac
AC 6 A resistive
AC 2A General Purpose
DC Rating: 12 to 30 Vdc
DC 2 A
Position Feedback 0 to 1000 Ohm <10 mA
Feedback Signal Position output signal (wires 9-2) GMA16x.xx/
GMA15x.xx
Voltage Output GMA16x 0 to 10 Vdc
GMA15x 2 to 10 Vdc
Max. Output Current (both) +1 mA, -0.5 mA
Running Torque 62 lb.-in. (7 Nm)
Spring Return Torque 62 lb.-in. (7 Nm)
Max. Torque 186 lb.-in. (21 Nm)
Runtime for 90° operating with motor 90 sec
Closing on power loss 15 sec. typical
(60 sec. Max. at -25°F)
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) min. length
Temperature Operating -25 to +130°F (-32 to +55°C)
Storage -25 to +158°F (-32 to +70°C)
Humidity 95% RH, non-condensing
Agency Approvals UL listed UL60730 (Replacing UL873)
C-UL certified to Canadian Standard
C22.2 No. 24-93
CE
Housing Enclosure NEMA 1
Material Die-cast Aluminum Alloy
Gear Lubrication. Silicone free
Pre-cabled Connection 18 AWG, 3 ft. (0.9 m)
Life Cycle Designed for over 60,000 full strokes at rated torque and temperature
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 2.86 lbs. (1.3 kg)