R2AA2250ALCPKL Sanyo Denki
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The Sanyo Denki R2AA2250ALCPKL is a middle inertia servo motor from the R SANMOTION Servo Motors series. It features a rated output of 5.0 kW, rated speed of 2000 min-1, and a flange size of 220 mm. The motor includes a battery backup absolute encoder with a 17-bit resolution and a 24V DC holding brake.
Internal Product Review
The R2AA2250ALCPKL is a Sanyo Denki SANMOTION R series servo motor that stands out with middle inertia characteristics and 5.0 kW rated output. A battery backup absolute encoder with 131072-count resolution supports accurate position retention and dependable motion feedback. Rated torque of 24 N·m and peak torque of 75 N·m make this unit a strong performer for demanding servo applications.
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Product Description:
The R2AA2250ALCPKL is a medium-inertia AC servo motor manufactured by Sanyo Denki as part of the R SANMOTION Servo Motors series. Designed for precision motion in industrial automation, the unit converts a controlled three-phase supply into tightly regulated shaft rotation. Integrated feedback and braking hardware allow a drive system to command rapid indexing and then hold the motor’s position even when the main power is removed. This combination makes the motor suitable for packaging lines, electronic assembly equipment, and general material-handling axes that need a balance between dynamic response and mechanical stability.
During continuous operation, the motor delivers 5.0 kW of mechanical output while maintaining a rated shaft speed of 2000 rpm. At that speed, it produces a continuous torque of 24 N·m and draws a phase current of 22.0 Arms from a three-phase 200 V bus. These values establish the thermal and electrical loads that the associated amplifier must support during continuous duty. A torque constant of 1.0 N·m/Arms relates commanded current to generated torque, while a voltage constant of 34.9 mV/rpm relates back electromotive force to speed for drive commutation. Resistive losses are limited by a phase resistance of 0.047 Ω. The windings can handle a stall current of 34.0 Arms while producing 32 N·m of stall torque for static holding.
Transient demands can be met with a peak torque of 75 N·m, which the winding supports for short intervals by accepting up to 83.0 Arms of peak current. Position feedback is supplied by a battery-backed absolute encoder with a resolution of 131,072 positions per revolution (17-bit), allowing the drive to retain position information through a power cycle without external homing sensors. A flange size of 220 mm supports mounting to large gearheads and compatible machine interfaces. The integrated holding brake operates at 24 V DC, helping suspended loads remain secure whenever the drive is disabled. The brake also supports stationary load retention without requiring the motor to produce continuous holding torque after power is removed.
