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DC electric gearmotor / coaxial / spur / industrial
121-1 series Hansen Corporation



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The series 121-1 (2.1inch diameter) permanent magnet DC motor is available to serve the industrial, instrumentation and automotive markets in either open-loop or close-loop applications. Rotor laminations are skewed to provide low cogging torque and no preferred rotor position. Standard catalog stall torque ratings are in the range of 19 to 180 oz-in, while no-load speed ranges from 2,100 to 8,000 rpm max. Encoders with line counts up to 2048, are available. Reliability is enhanced by long-life, pre-loaded ball bearings. Special windings and special shaft and mounting configurations are available to meet the requirements of OEM custom applications.