R2AA08075FXH03 Sanyo Denki
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The Sanyo Denki R2AA08075FXH03 is a servo motor in the R SANMOTION Servo Motors series with a rated output of 750 W and operates at a supply voltage of 200 Volts. This middle inertia motor features a flange size of 80 mm and achieves a maximum rotation speed of 6000 min-1. It is equipped with an absolute encoder for an incremental system, offering a resolution of 131072 divisions per revolution.
Internal Product Review
The R2AA08075FXH03 is a Sanyo Denki SANMOTION R servo motor with 750 W rated output and 200 V supply voltage. Middle-inertia construction and 2.39 N·m rated torque support smooth, stable axis performance in dynamic motion applications. A 131072 div/rev absolute encoder is a strong highlight for precise feedback.
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Product Description:
The R2AA08075FXH03 servo motor is manufactured by Sanyo Denki and belongs to the R SANMOTION Servo Motors series. It is a medium-inertia rotary actuator built to drive machine axes that require quick positioning and stable velocity control in automated assembly cells, electronic component placement equipment, and light material-handling stations. When the motor is paired with a SanMOTION R amplifier, its built-in absolute encoder provides precise electrical commutation and position feedback, allowing controllers to synchronize motion with minimal following error during high-cycle production.
Mechanical mounting uses an 80 mm square flange, so the housing can fit compatible machine frames without adapters. Under continuous duty, the stator delivers 750 W at a rated shaft speed of 3000 rpm, producing 2.39 N·m of continuous torque while drawing 4.6 Arms from the drive. Transient events can be handled with a peak current of 15.5 Arms, which generates up to 8.5 N·m of acceleration torque for rapid indexing. The medium-inertia rotor helps limit overshoot during abrupt speed changes. Its lamination stack matches the rotor inertia with the electromagnetic time constants so that motion commands settle quickly.
The windings support a maximum speed of 6000 rpm, providing reserve capacity for electronic gear ratios above the rated operating point. Position data are supplied by an absolute encoder that provides an incremental resolution of 131,072 divisions per revolution and transmits data to the drive at 2.5 Mbps, supporting small commanded movements without interpolation. Power is supplied from a 200 V bus, and the coils have a phase resistance of 0.4 Ω and a torque constant of 0.559 N·m/Arms, so generated torque scales linearly with commanded current. A voltage constant of 19.5 mV/rpm establishes the back electromotive force profile used for regenerative energy calculations. The motor is supplied without a holding brake, reducing axial length for compact installations while requiring an external clamping device to secure static loads when power is removed.
