P50B05020DXS31 Sanyo Denki
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The Sanyo Denki P50B05020DXS31 is a brushless servo motor from the P5 Super BL Servo Motors series and offers a rated output of 200 W with a rated torque of 0.637 N·m. It features an IP55 protection rating, has a flange size of 54 mm, and reaches a maximum speed of 4500 min-1. The motor uses a wiring-saved incremental encoder and has a rated armature current of 1.6 Arms.
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Product Description:
The P50B05020DXS31 is a brushless AC servo motor manufactured by Sanyo Denki for the P5 Super BL Servo Motors series. Designed for closed-loop motion control, it converts drive commands into accurate rotary movement so that pick-and-place heads, indexing tables, and compact robots maintain positional repeatability under variable process loads. A wiring-saving incremental encoder provides position and speed feedback while reducing the required cable count. The brushless design also minimizes mechanical wear during frequent operating cycles.
The motor supplies a continuous mechanical output of 200 W. At its rated operating speed of 3000 rpm, the motor produces a rated shaft torque of 0.637 N·m. This operating point requires an RMS winding current of 1.6 A. The torque constant of 0.436 N·m/A RMS indicates the torque produced for each ampere of RMS winding current. The continuous stall torque is 0.686 N·m, providing stationary holding capability while the motor remains energized. A phase resistance of 3.4 Ω and an electrical time constant of 2.9 ms influence the winding response to current commands. The mechanical time constant of 0.9 ms indicates how quickly the motor speed stabilizes after a load change. Because the motor has no holding brake, an external clamp or drive-applied torque must secure vertical loads when the axis is stationary. Its rated power rate is 24.2 kW/s, supporting rapid acceleration within the motor’s thermal limits.
The rotor can accelerate to a maximum speed of 4500 rpm. Transient overloads are accommodated by a peak torque of 1.96 N·m, while the momentary current can rise to 5.5 A RMS. The enclosure has an IP55 protection rating, helping prevent harmful dust accumulation and resist water jets from typical equipment cleaning or operation. A square flange measuring 54 mm supports direct mounting to compact gearheads and linear actuators. The applicable load inertia limit is 0.173 × 10⁻⁴ kg·m², which supports proper matching between the motor and the reflected mechanical load. This inertia limit helps maintain stable servo response during acceleration, deceleration, and positioning movements.
