P60B18550RXS24 Sanyo Denki
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The Sanyo Denki P60B18550RXS24 is a brushless servo motor from the P6 Super BL Servo Motors series, featuring a 5.5 kW rated output and a maximum speed of 2500 min-1. This model has a 180 mm flange size, 31.7 kg mass, and an IP67 protection rating. It uses a wiring-saved incremental encoder with a resolution of 2,000 P/R and delivers a peak torque of 88.3 N·m.
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Product Description:
The P60B18550RXS24 belongs to the P6 Super BL Servo Motors series from Sanyo Denki. It is a brushless AC servo unit intended for midsize positioning axes and feed drives where closed-loop speed and torque control are required. By combining a wiring-saving incremental encoder with onboard electronics, the motor supplies the drive controller with real-time rotor position data so that industrial automation equipment can synchronize motion accurately.
Under continuous load, the motor outputs 5.5 kW at 1,500 rpm, producing 35.0 N·m of torque while drawing 32 Arms. A torque constant of 1.18 N·m/Arms links these values, and the electrical current rises to its command level within an 23 ms electrical time constant, supporting fast loop updates. The feedback system resolves shaft position to 2,000 P/R, enabling fine interpolation by the controller. A mounting flange of 180 mm allows direct coupling to gearboxes or machine frames with a compatible mounting interface. The shaft can accelerate to a maximum speed of 2,500 rpm, and the motor can withstand transient loads up to 88.3 N·m without stalling.
The housing weighs 31.7 kg, providing thermal mass that complements the 198 kW/s power rate during rapid cycles. The stator windings have a phase resistance of 0.040 Ω, which limits I²R losses and works with a 41.2 mV/rpm voltage constant to simplify drive sizing. Protection is rated at IP67, so the assembly withstands washdown conditions or dusty environments without additional covers. The rotor inertia of 61.9 × 10⁻⁴ kg·m² balances quick response with load smoothing. The motor is supplied without a holding brake, so an external device must provide holding torque when power is removed. A wiring-saving incremental encoder detector eliminates separate sensor cabling and streamlines installation.
