Product Description:

The KA720JS0 servo motor is built by Sanyo Denki and belongs to the K SANMOTION Servo Motors series. Intended for precision motion control, the unit converts drive current into shaft torque to position tooling, conveyors, or actuators inside automated equipment. Its frame accepts feedback devices supplied by the drive system, allowing the motor to operate in closed-loop speed or position modes. These control modes are commonly used for pick-and-place equipment, indexing systems, and light machine-tool functions.

The motor supplies a continuous mechanical output of 200 W when energized at the rated armature voltage of 80 V. At this operating point, the shaft turns at 3000 rpm while developing a continuous torque of 0.64 N·m. The electrical current required under these conditions is 3.4 A, and the torque constant is 0.23 N·m/A. These values help the drive regulate its current loop and voltage bus to maintain speed under nominal load without reaching the current limit or entering the field-weakening range. The continuous power rating and 3 kg housing mass also support thermal calculations for cabinet airflow and mounting hardware selection.

The motor provides a peak stall torque of 5.4 N·m, enabling the shaft to overcome static friction during rapid indexing cycles. Dynamic response is influenced by a rotor inertia of 1.47 × 10⁻⁴ kg·m²; this low inertia allows the servo to accelerate quickly while damping high-frequency disturbances. The armature has an inductance of 3.3 mH, which moderates current ripple and affects current-regulator tuning. A continuous stall torque of 0.77 N·m is available for fanless cooling conditions. The integrated brake applies 1.47 N·m of holding torque to secure vertical loads when power is removed. An armature resistance of 2.2 Ω influences copper loss during operation. Four mounting holes, each measuring 5.5 mm in diameter, align the flange with compatible gearheads.