Product Overview

GBB/GIB Series NSR Rotary 24 Vac - Modulating Control Technical Instructions
Document Number 155-176P25
December 15, 2004
Specifications,
Continued
Function
Torque
GBB… 221 lb-in (25 Nm)
GIB… 310 lb-in (35 Nm)
Runtime for 90° opening or closing 125 seconds at 60 Hz
150 seconds at 50 Hz
Nominal angle of rotation 90°
Maximum angular rotation 95°
Noise level <45 dBA
Mounting
Shaft size 3/8 to 1-inch (8 to 25.6 mm) diameter
1/4 to 5/8-inch (6 to 18 mm) square
Minimum shaft length 3/4-inches (20 mm)
Housing
Enclosure NEMA 2 in vertical position to 90°
to the left and right of vertical
See Figure 17
NEMA 3R rated when installed with
ASK75.1U Weather Shield in the
vertical position. See Accessories.
IP54 according to EN60529
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 Approvals
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
Miscellaneous
Pre-cabled connection 18 AWG
Cable length 3 feet (0.9m)
Life cycle Designed for over 60,000 full strokes
and a minimum of 1.5 million
repositions at rated torque and
temperature
Dimensions See Figure 28
Weight 4.4 lbs (2 kg)
Siemens Building Technologies, Inc. Page 3