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TM
OpenAir
NSR Rotary Electric Damper Actuator
24 Vac 3-position Control
Specifications,
continued
Function
Mounting
Housing
Ambient conditions
Agency certification
Miscellaneous
Siemens Building Technologies, Inc.
Running torque
GBB...
GIB...
Runtime for 90° opening or closing
Nominal angle of rotation
Maximum angular rotation
Shaft size
Minimum shaft length
Enclosure
Material
Gear lubrication
Ambient temperature
operation
storage and transport
Ambient humidity (non-condensing)
Pre-cabled connection
Cable length
Life cycle
Noise level
Dimensions
Weight
Technical Instructions
December 15, 2004
221 lb-in (25 Nm)
310 lb-in (35 Nm)
150 seconds at 50 Hz
125 seconds at 60 Hz
90°
95°
3/8 to 1-inch (8 to 25.6 mm) diameter
1/4 to 5/8-inch (6 to 18 mm) square
3/4-inch (20 mm)
NEMA 2 in vertical position to 90°
to the left and right of vertical
See Figure 13.
NEMA 3R rated when installed with
ASK75.1U Weather Shield in the
vertical position. See Accessories.
IP54 according to EN60529
Die cast aluminum alloy
Silicone-free
-25°F to 130°F (-32°C to 55°C)
-40°F to 158°F (-40°C to 70°C)
95% rh
UL listed to UL873
cUL certified to Canadian Standard
C22.2 No. 24-93
CE conformity:
Electromagnetic compatibility 89/336/EEC
Low-voltage directive 73/23/EEC
18 AWG
3 feet (0.9 m) length
Designed for over 60,000 full strokes
and a minimum of 1.5 million
repositions at rated torque and
temperature
<45 dBA (running)
See Figure 24.
4.4 lbs (2 kg)
155-177P25
Page 3
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