Specifications
OpenAir GMA Series Spring Return, 62 lb-in, Rotary, Electronic Damper Actuators Technical Instructions
Document Number 155-315P25
January 26, 2011
Siemens Industry, Inc. Page 3
Specifications
Power Supply
24 Vac/24 Vdc
Operating voltage 24 Vac ±20%; 24 Vdc ±15%
Frequency 50/60 Hz
Power consumption
running (GMA 12x, 13x, 15x, 16x) 5 VA/3.5W
holding (GMA 12x, 13x, 15x, 16x) 4 VA/3W
Equipment rating Class 2, in accordance with UL/CSA
Class III per EN 60730
Power Supply
120 Vac
Operating voltage 120 Vac ±10%
Frequency 50/60 Hz
Power consumption
running and holding (GMA 22x) 7 VA/5W
Control Signal
Input signal (wires 8–2)
voltage input signal GMA16x 0 to 10 Vdc (max. 35 Vdc)
voltage input signal GMA15x 2 to 10 Vdc (max. 35 Vdc)
input resistance >100K ohms
Feedback Signal
Position output signal (wires 9–2)
voltage output signal GMA16x 0 to 10 Vdc
voltage output signal GMA15x 2 to 10 Vdc
maximum output current +1 mA, -0.5 mA
Function
Running/spring return torque 62 lb-in (7 Nm)
Maximum torque 186 lb-in (21 Nm)
Runtime for 90°
operating with motor 90 seconds
closing (on power loss) with spring return 15 seconds typical
(60 seconds max. at -25°F [-32°C])
Mounting
Nominal angle of rotation 90°
Maximum angular rotation 95°
Shaft size 1/4 to 3/4-inch (6.4 to 20.5 mm) dia.
1/4 to 1/2-inch (6.4 to 13 mm) square
Minimum shaft length 3/4-inch (20 mm)
Housing
Enclosure NEMA 1
IP54 according to EN 60 529 (limited
positions; see OpenAir™ GMA Series
Installation Instructions (129-307)
Material Die cast aluminum alloy
Gear lubrication Silicone free
Ambient Conditions
Ambient temperature
operation -25°F to 130°F (-32°C to 55°C)
storage and transport -40°F to 158°F (-40°C to 70°C)
Ambient humidity (non-condensing) 95% rh
Agency Certification
UL listed to UL60730
(to replace UL873)
cUL certified to Canadian Standard
C22.2 No. 24-93
Australian Electromagnetic
Compatibility (EMC) per
AS/NZS 4251.1/2:1999 (C-tick)










