P50B08075DBL21 Sanyo Denki
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The Sanyo Denki P50B08075DBL21 is a servo motor from the P5 Super BL Servo Motors series featuring brushless motor technology. It has a rated output of 750 W, a rated speed of 3000 min-1, and a continuous stall torque of 2.94 N·m. The motor is equipped with a 90V holding brake and has a flange size of 80 or 86 mm.
Internal Product Review
The P50B08075DBL21 is a Sanyo Denki P5 Super BL servo motor with brushless motor technology and a 90V holding brake. Rated output of 750 W and rated speed of 3000 min-1 support smooth, responsive performance in servo-driven machinery. Peak stall torque of 8.82 N·m and max speed of 4500 min-1 make this model a strong choice for dynamic motion applications.
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Product Description:
The P50B08075DBL21 belongs to the P5 Super BL Servo Motors series manufactured by Sanyo Denki. As a brushless servo motor, it converts drive current into precise rotational motion for positioning tables, pick-and-place axes, and other automation loads that require fast response and repeatable accuracy. The motor uses a three-phase, permanent-magnet, brushless design, and its frame connects to machinery through an 80 or 86 mm mounting flange. An integrated electromagnetic holding brake secures the shaft when power is removed, making the unit suitable for vertical axes and applications that require load retention at a standstill.
The holding brake operates at 90 V, and the motor delivers a continuous mechanical output of 750 W at its rated operating point. At a rated speed of 3000 rpm, it produces 2.381 N·m while drawing a continuous current of 6.0 A RMS. Continuous stall torque is 2.94 N·m, allowing the shaft to resist an applied load at zero speed under active current control. A power rate of 29.5 kW/s supports rapid energy transfer during acceleration and deceleration. The phase resistance is 0.43 Ω, which contributes to copper losses and provides an important value for drive tuning. A 16 mm shaft diameter accommodates standard couplings without requiring additional sleeves.
During transient operation, peak stall torque reaches 8.82 N·m and may require up to 23.7 A RMS from the inverter. The rotor has a mechanical time constant of 1.2 ms, supporting quick speed changes and responsive motion. Its electrical time constant is 5.8 ms, allowing winding current to settle rapidly after a new command. The motor can reach a maximum speed of 4500 rpm for short operating intervals, extending its usable range beyond the rated operating point. Its torque constant is 0.447 N·m/A RMS, providing a direct relationship between commanded current and expected torque output.
