R2AA08075FXH00 Sanyo Denki
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The Sanyo Denki R2AA08075FXH00 is a servo motor from the R SANMOTION Servo Motors series with a rated output of 750 Watts and a supply voltage of 200 Volts. It features a middle inertia design, an 80 mm flange size, and an absolute encoder with a resolution of 131072 divisions per revolution. The motor provides a rated speed of 3000 min-1 and a peak torque of 8.5 N·m.
Internal Product Review
The R2AA08075FXH00 is a Sanyo Denki SANMOTION R servo motor with 750 W rated output and 3000 min-1 rated speed. An absolute encoder for incremental systems with 131072 div/rev supports precise positioning and stable motion control. The middle-inertia design and 8.5 N·m peak torque make this motor a strong performer for dynamic servo applications.
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Product Description:
The R2AA08075FXH00 is a middle-inertia AC servo motor manufactured by Sanyo Denki for the R SANMOTION Servo Motors series. Intended for automated axes that require consistent velocity control and responsive torque regulation, the unit connects to 200 V servo amplifiers through a three-phase power connection. Position feedback is supplied by an absolute encoder with 131,072 divisions per revolution, allowing fine interpolation in multi-axis assemblies. The motor has an 80 mm square flange and an overall length of 114.3 mm, providing a compact footprint for space-constrained machinery. It is supplied without a holding brake, so an external mechanism must secure suspended or movable loads when power is removed.
At its continuous operating point, the motor produces 750 W of mechanical power while turning at 3000 rpm and generating 2.39 N·m of rated torque. It draws 4.6 Arms under these conditions, and this value also represents the continuous stall current when the shaft is locked. For rapid indexing, the permissible speed extends to 6000 rpm, providing additional speed capacity for dynamic positioning moves. The middle-inertia rotor helps balance acceleration response with stable settling in conveyors, pick-and-place modules, and other equipment that performs repeated motion cycles. Its compact housing also supports installation on automated axes where available mounting space is limited.
During transient operation, the drive may command up to 8.5 N·m of peak torque, which the motor can sustain for short intervals by accepting 15.5 Arms of peak phase current. The torque constant is 0.559 N·m/Arms, meaning each ampere of phase current contributes more than half a newton-meter of torque. The winding resistance is 0.4 ohm, which affects copper losses and current-loop behavior during operation. Generated back electromotive force increases with speed at a rate of 19.5 mV/min⁻¹, providing the controller with an electrical characteristic used for current regulation and regenerative energy handling. These electrical values allow the paired servo amplifier to regulate phase current during acceleration, steady-speed operation, and deceleration without relying on additional motor-side control electronics.
