GAM2A4003F0XRK2 Sanyo Denki
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The Sanyo Denki GAM2A4003F0XRK2 is part of the G SANMOTION AC Servo Motors series and features a 40 mm square flange size. It has a rated output of 30 W, rated speed of 3000 min-1, and operates in the 200 VAC voltage class. The servo motor uses a battery-less absolute encoder with 23-bit resolution and has a motor mass of 0.25 kg.
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Product Description:
The GAM2A4003F0XRK2 is a compact AC servo motor produced by Sanyo Denki for the G SANMOTION AC Servo Motors series. The unit serves as a rotary actuator for positioning, speed control, and cyclic motion tasks in industrial automation equipment such as pick-and-place heads and miniature conveyors. When paired with a compatible amplifier, it converts command current into precisely controlled mechanical rotation, giving machine builders a small-frame option for applications with limited space and strict inertia requirements.
Operating within the 200 VAC supply class, the motor delivers a continuous shaft output of 30 W at a rated speed of 3000 rpm. At that operating point, it produces 0.098 N·m of rated torque, providing a suitable power-to-weight ratio for low-mass pick heads and other compact moving assemblies. During rapid indexing, the motor can reach a peak stall torque of 0.37 N·m, while the winding draws 2.3 A rms at that limit. Position feedback is provided by a 23-bit battery-free absolute encoder, allowing the drive to obtain absolute position information without a maintenance battery. The encoder’s high resolution supports precise positioning and smooth speed regulation during repetitive motion cycles.
Mechanical integration is supported by the 40 mm square mounting flange, which allows direct coupling to compact gearheads and linear stages. The motor body weighs 0.25 kg, so moving axes benefit from reduced reflected mass and faster acceleration. A winding impedance of 10.9 Ω limits current flow through the motor winding during operation. The electromagnetic design provides a 0.183 N·m/A rms torque constant, allowing predictable current-to-torque conversion when the controller regulates motor output. With a rotor inertia of 0.0233 × 10⁻⁴ kg·m², the rotor can change speed quickly, which supports short indexing cycles in high-frequency pick-and-place operations. The small flange, low body mass, and low rotor inertia also reduce the mechanical load placed on compact positioning stages.
