P80B22450RXS21 Sanyo Denki
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The Sanyo Denki P80B22450RXS21 is a brushless servo motor from the P8 Super BL Servo Motors series. It delivers a rated output of 4.5 kW, a rated speed of 2,000 min-1, and a rated torque of 21.5 N·m with IP67 protection rating. The motor features a flange size of 220 mm, a wiring-saved incremental encoder with 2,000 P/R resolution, and weighs 22.0 kg.
Internal Product Review
The P80B22450RXS21 is a Sanyo Denki P8 Super BL servo motor with brushless construction and 4.5 kW rated output. A wiring-saved incremental encoder with 2,000 P/R provides dependable feedback for precise motion control. Rated torque of 21.5 N·m at 2,000 min^-1 makes this unit a strong choice for dynamic servo applications.
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Product Description:
The P80B22450RXS21 is a brushless AC servo motor manufactured by Sanyo Denki within the P8 Super BL Servo Motors series. Intended for precision motion tasks in automated assembly lines, it combines permanent-magnet technology with a reduced-wiring incremental encoder that reports real-time shaft position to the drive controller. Because the motor is not equipped with a holding brake, an external locking device or continuous drive torque must secure the load when retention during a power loss is required.
The motor supplies a continuous stall torque of 32.0 N·m, allowing it to hold static loads without exceeding its continuous thermal limit. A square flange measuring 220 mm supports installation on compatible machine frames, while the brushless stator draws a rated phase current of 24.1 A rms. The motor has a rated output of 4.5 kW, and its sealed housing has an ingress protection rating of IP67, making it dust-tight and resistant to temporary water immersion. The incremental encoder provides 2,000 pulses per revolution for position and speed feedback. Electrical response is characterized by an electrical time constant of 33 ms and a phase resistance of 0.043 Ω, which are relevant when configuring the drive’s current loop. The motor weighs 22.0 kg, so its mounting surface and fasteners must support the unit and the dynamic forces produced during operation.
The rotor operates at a rated speed of 2,000 rpm and can briefly accelerate to 2,500 rpm when the application requires additional speed. Its rated power rate of 80 kW/s indicates the motor’s capacity to deliver energy rapidly during high-cycle positioning. Torque changes in proportion to current through a torque constant of 1.05 N·m/A rms, while the generated back electromotive force follows a voltage constant of 36.7 mV/rpm. A mechanical time constant of 0.68 ms supports rapid speed changes in applications with frequent acceleration and deceleration. The nominal torque is 21.5 N·m, supporting sustained operation below the continuous stall torque limit while accommodating changes in the connected load.
