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© 2017 Allied Motion Technologies Inc.
Issue Date: 5.15.17
Specifications subject to change without notice
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AsiA +852 2607 4038
1/20 HP, Single-Reduction Worm Drive
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Right-Angle PMDC Brush Gear Motors
RAB 30 Series
Allied Motion’s RAB series of right-angle
DC gear motors are designed for battery-
powered lifting and moving applications
such as medical wheelchair and scooter lifts
and swivel actuators. These cost eective
3-inch diameter gear motors are standard
wound for 12 VDC and are available wound
for up to 115 VDC. They have the ability to
output up to 77 lb-in (8.7 Nm) continuous
shaft torque. This motor is designed for long
life in dicult applications.
In addition to lifting applications, the RAB 30
right-angle series is an ideal choice for oor
care brush drives, awning extension and
retraction drives, welding wire feeders, cable
pullers, and similar applications.
Options
• High temperature Class H (180 ºC)
winding insulation
• Weather-proof (IP65) design
• High back-drive torque design
• Custom leads and/or connectors
• Synthetic grease lubrication
• Plastic or alloy-steel gearing
• Cartridge style brush holders with
replaceable brushes
• Encoder mounting provisions
• Electromechanical holding brake
• 1/2-inch diameter output shaft
• Sprocket or pulley mounted on output
shaft
• Winding voltages available up to 115 VDC
Features & Benets
• Specically designed for use in lifting applications up to 400 lbs
(180 kg)
• Continuous output shaft torque up to 77 lb-in (8.7 Nm)
• High grade bronze output gear for high strength
• Precision ground steel worm for quiet operation and long life
• Die cast aluminum gearbox for strength and minimum weight
• Class A (105 ºC) winding insulation
• Internal brush design for maintenance-free operation
• Oil bath lubrication for extended service life
• Bronze bushing bearing in gearbox; ball bearing on motor
• Compact design to t restrictive spaces
• 2-pole PMDC brush motor
• 3/8-inch diameter output shaft sized for drive sprocket pinion
Issue Date: 5.15.17
Motion Solutions That Change the Game
www.alliedmotion.com
inquiry@alliedmotion.com
AmericAs +1 (716) 242-7535
europe +46 (8) 546 11 100
AsiA +852 2607 4038
© 2017 Allied Motion Technologies Inc.
Specifications subject to change without notice
2
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RAB 30 Series Gear Motors – Specications
Model
GRB-50460048
GRB-50460049
Type Right-angle shaft
Motor Type PMDC brush, 2-pole
Frame Size 76.2 mm (3.0 in)
Winding Voltage 12 VDC
Torque
Rated 4.1 Nm (36 lb.in) 8.7 Nm (77 lb.in)
Peak 19.9 Nm (176 lb.in) 23.4 Nm (207 lb.in)
Rated Speed 77 rpm 37 rpm
No-load Speed 80 - 90 rpm 40 - 50 rpm
Rated Power 33 W (0.044 HP) 37 W (0.05 HP)
Current — ADC
Rated 8 8
Peak 34 20
No-load 3.5 3.0
Gear Ratio 58:1
Peak Eciency 34% 36%
Rotation (shaft view) CW (positive voltage to positive motor terminal)
Bearing Type Bronze bushing
Backlash (no load) 4.1 - 12.6 arcmin
Weight 2.3 kg (5 lb)
Ambient Operating Temperature at Rated Duty 22 °C max
Ambient Storage Temperature -30 to 80 °C
IP Rating IP 54