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U12M4LR by Kollmorgen

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The U12M4LR is a ServoDisc Pancake DC Motors servo motor manufactured by Kollmorgen, featuring a torque constant of 7.81 oz-in/Amp, a rated speed of 3000 RPM and a rated terminal voltage of 22 Volts. It delivers a peak torque of 1224 oz-in, a continuous stall torque of 106 oz-in and weighs 8.0 lbs, offering compact high-performance for industrial automation.

Technical Specifications

Continuous Stall Torque
106 oz-in, 75 N-cm
Diameter
5.50 in, 139.7 mm
Maximum Recommended Speed
6000 RPM
Moment Of Inertia
0.021 oz-in-sec2, 1.45 kg-m2
Peak Current
160 Amps
Peak Torque
1224 oz-in, 864 N-cm
Rated Continuous Current
15.8 Amps
Rated Continuous Torque @ 25°c
112 oz-in, 79 N-cm
Rated Continuous Torque @ 40°c
102 oz-in, 72 N-cm
Rated Power Output
249 Watts
Rated Speed
3000 RPM
Rated Terminal Voltage
22 Volts
Static Friction Torque
5.5 oz-in, 3.9 N-cm
Torque Constant
7.81 oz-in/Amp, 5.52 N-cm/Amp
Weight
8.0 lbs, 3.6 kg

Click here for product datasheet

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