R2AA18450HCR94M Sanyo Denki
Wake Industrial LLC is not an authorized distributor of this product.
The Sanyo Denki R2AA18450HCR94M is a servo motor in the R SANMOTION Servo Motors series with a rated output of 4.5 kW and operates at a rated speed of 2000 min^-1. It features a middle inertia design, a 180 mm motor flange size, and offers a continuous stall torque of 30.0 N·m. The motor includes a 17-bit battery-less absolute encoder, IP65 protection rating, and a holding brake with 24 VDC.
Internal Product Review
The R2AA18450HCR94M is a Sanyo Denki R SANMOTION servo motor with 4.5 kW rated output and 21.5 N·m rated torque. A 17-bit battery-less absolute encoder supports accurate feedback and efficient commissioning. IP65 protection and 75 N·m peak stall torque make this motor a strong choice for demanding motion applications.
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Product Description:
The R2AA18450HCR94M is a servo motor produced by Sanyo Denki within the R SANMOTION Servo Motors series. This medium-inertia unit has a 180 mm mounting flange and is intended for precision positioning tasks in packaging, pick-and-place, and tool-change stations. In industrial automation systems, it converts electrical power into controlled rotary motion while providing high-resolution feedback through its batteryless absolute encoder. An integrated 24 V holding brake secures the load when power is removed, supporting vertical-axis or press applications without separate clamps.
The motor operates from a 200 V three-phase supply, and its windings have a phase resistance of 0.065 Ω, allowing the drive to estimate copper losses through I²R calculations. At its rated operating point, it delivers 4.5 kW of mechanical power while running at 2000 rpm. The corresponding rated shaft torque is 21.5 N·m. The rated current is 23.7 A rms, providing a reference for continuous inverter capacity. Its torque constant is 1.02 N·m/A rms, which relates commanded phase current to produced torque and supports closed-loop control. The batteryless absolute encoder has 17-bit resolution, enabling precise position feedback without requiring a backup battery.
The motor can accelerate loads with up to 75 N·m of peak torque for short intervals. Peak armature current reaches 83.0 A rms, providing the current needed for brief high-torque operation. Its maximum speed is 3500 rpm, allowing rapid movement during indexing cycles. A rotor inertia of 50 × 10⁻⁴ kg·m² balances responsive acceleration with stable motion, while a continuous stall torque of 30 N·m supports low-speed holding. The housing has an IP65 protection rating against dust and water jets, making it suitable for splash-prone production areas. The motor also carries CE and UL conformity approvals for use in compatible industrial equipment.
