R2AA08040FCP00M Sanyo Denki
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The Sanyo Denki R2AA08040FCP00M is a middle inertia servo motor from the R SANMOTION Servo Motors series with a rated output of 400 W and a flange size of 80 mm. It features a battery backup absolute encoder with a resolution of 131072 per revolution and operates at a maximum speed of 6000 min-1. The motor includes a holding brake rated at 24 VDC and is identified under CE and UL standards.
Internal Product Review
The R2AA08040FCP00M is a Sanyo Denki SanMOTION R series servo motor with 400 W rated output and 3000 min-1 rated speed. A battery backup absolute encoder with 131072/rev resolution supports precise positioning and dependable motion feedback. Middle-inertia construction and 4.4 N·m peak torque make the motor a strong choice for responsive servo applications.
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Product Description:
The R2AA08040FCP00M is a middle-inertia AC servo motor from Sanyo Denki’s R SANMOTION Servo Motors series. It supplies regulated rotary motion for pick-and-place modules, conveyors, and machine-tool axes by pairing with a digital drive controller. A battery-backed absolute encoder reports the multi-turn shaft position immediately after power is restored, eliminating separate homing routines in automated equipment.
At the nominal operating point, the motor delivers 400 W of mechanical power while running at 3000 rpm and producing 1.27 N·m of torque. These ratings are achieved when the windings are energized from a 200 V three-phase bus and limited to a continuous current of 2.6 A RMS. The electromagnetic coupling is represented by a torque constant of 0.559 N·m/A RMS, allowing the current needed for a commanded load to be calculated. A phase resistance of 0.93 Ω influences copper loss during continuous operation. The battery-backed encoder supplies 131,072 counts per revolution for precise interpolation. CE and UL markings indicate compliance with applicable safety and emissions standards, and the 80 mm square flange facilitates direct mounting. The overall length with the holding brake is 114 mm, which limits the required installation depth.
During dynamic moves, the motor can accelerate to 6000 rpm and withstand a peak current of 8.9 A RMS, producing up to 4.4 N·m of short-term torque for rapid indexing or overcoming breakaway friction. The rotor inertia is 1.043 × 10⁻⁴ kg·m², which is characteristic of the middle-inertia class and helps suppress load-side disturbances while maintaining a quick response. A 24 VDC spring-applied holding brake locks the shaft whenever power is removed. The same 24 VDC line energizes the brake coil to release the shaft during operation. Continuous stall torque of 1.37 N·m supports static holding under closed-loop current control.
