P50B08100DXSJ8 Sanyo Denki
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The Sanyo Denki P50B08100DXSJ8 is a brushless servo motor from the P5 Super BL Servo Motors series. It delivers a rated output of 1000 W, with a rated torque of 3.185 Newton-meters and a rated speed of 3,000 min-1. The motor features a wiring-saved incremental encoder with a resolution of 2,000 pulses per revolution and has a flange size of 80 or 86 millimeters.
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Product Description:
The P50B08100DXSJ8 is a brushless servo motor produced by Sanyo Denki and supplied within the P5 Super BL Servo Motors series. As a permanent-magnet AC unit, it converts drive current into precisely regulated shaft torque for positioning tables, packaging axes, and general industrial motion systems. Its built-in, wiring-saving incremental encoder sends rotor position data to the controller, allowing closed-loop operation to maintain commanded trajectories without external sensors.
The motor is rated for a continuous mechanical output of 1000 W while operating at a nominal speed of 3,000 rpm. At that operating point, the shaft delivers 3.185 N·m of continuous torque and draws 6.7 A RMS from the matched amplifier. A torque constant of 0.553 N·m/A RMS links drive current directly to developed torque, simplifying gain settings in digital servo loops. These operating values allow the motor and amplifier to be matched to loads that require stable torque during continuous-duty motion. The permanent-magnet design also supports responsive acceleration and accurate speed regulation across automated positioning cycles.
For intermittent moves, the rotor can accelerate to 4,500 rpm and produce a peak stall torque of 11.76 N·m before approaching its demagnetization limit. Copper loss at locked rotor is limited by an armature resistance of 0.41 Ω, helping keep short-duration current surges within the capacity of the drive transistors. The motor has a mass of 5.05 kg, making it suitable for compact gantry heads and other installations with limited load capacity. An 80 or 86 mm square flange mounts directly to compatible gearboxes, while the 16 mm shaft transmits torque through standard couplings. The incremental encoder provides 2,000 pulses per revolution and supports high-resolution position data after quadrature decoding. The housing has an overall length of 172 mm, which should be considered when planning mounting clearance and cable routing. The motor is supplied without a holding brake, so gravity-loaded applications require counterbalancing, drive-applied holding torque, or an external clamping device when the axis is stationary.
