Product Overview

OpenAir Spring Return 20 lb-in, Rotary GQD Series Electronic Damper Actuators Technical Instructions
Document Number 155-760
June 23, 2008
Siemens Building Technologies, Inc. Page 3
Specifications
Power Supply
Operating voltage 24 Vac ±20%; 24 Vdc ±15%
120 Vac ± 15%
Frequency 50/60 Hz
Power consumption
24 Vac/24 Vdc running
GQD121.1P 6.5 VA (4.5W)
GQD131.1P 4 VA (2.5W)
GQD151.1P 4.5 VA (3W)
holding
GQD121.1P 4 VA (2.5W)
GQD131.1P 3 VA (1.5W)
GQD151.1P 3.5 VA (2W)
120 Vac running GQD221.1U 10 VA
holding 7 VA
Equipment Rating
24 Vac Class 2, in accordance with UL/CSA
Class III per IEC 60536
120 Vac Double insulation
Control Signal
Input signal (wires 8–2)
voltage input signal GQD151 2 to 10 Vdc (max. 35 Vdc)
input resistance >100K ohms
Feedback Signal
Position output signal (wires 9–2)
voltage output signal GQD151 2 to 10 Vdc
maximum output current +1 mA, -0.5 mA
Function
Running/spring return torque 20 lb-in (2 Nm)
Maximum torque 53 lb-in (6 Nm)
Runtime for 90°
operating with motor 30 seconds
closing (on power loss) with spring return 15 seconds typical
Mounting
Nominal angle of rotation 90°
Maximum angular rotation 95°
Shaft size 3/8 to 1/2-inch (8 to 13 mm) dia.
1/4 to 7/16-inch (6 to 11 mm) square
Minimum shaft length 3/4-inch (20 mm)
Housing
Enclosure NEMA 1
IP40
Material Plenum rated rugged plastic
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