GAM2A4005F0CNK2 Sanyo Denki
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The Sanyo Denki GAM2A4005F0CNK2 is an AC servo motor from the G SANMOTION AC Servo Motors series. It features a rated output of 50 W, a rated speed of 3000 min^-1, and a rated torque of 0.159 N·m. The motor is equipped with a single-turn absolute encoder with 23-bit resolution and has an IP67 ingress protection rating.
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Product Description:
The GAM2A4005F0CNK2 is a compact AC servo motor produced by Sanyo Denki for the G SANMOTION AC Servo Motors series. It is intended for precision positioning and speed-regulated axes in semiconductor handling systems, small gantries, and light assembly equipment. The motor connects directly to a compatible servo drive that provides closed-loop current and velocity control, allowing the shaft to respond accurately to commanded motion profiles. Its compact housing also supports installation in machinery where available mounting space is limited.
This model operates from a three-phase power bus at 200 VAC and delivers a continuous mechanical output of 50 W. At rated load, the shaft turns at 3000 rpm and produces 0.159 N·m of torque while drawing 0.79 Arms from the amplifier. Its phase resistance is 9.3 Ω, which affects the copper losses generated under these operating conditions. The electromagnetic conversion factor is 0.235 N·m/Arms, allowing the controller to estimate torque directly from measured current. When the rotor is stationary, the windings can briefly sustain a peak stall torque of 0.59 N·m without thermal overload. A single-turn absolute encoder supplies 23-bit position data, providing 8,388,608 discrete positions per revolution and eliminating the need for a homing routine after power-up. The rotor inertia is 0.0394 × 10⁻⁴ kg·m², supporting rapid acceleration with limited overshoot in short-cycle applications.
A square flange measuring 40 mm provides a compact mounting interface with an industry-standard hole pattern. The 8 mm output shaft includes a 12 mm keyway for positive engagement with pulleys, clamping components, or miniature gearboxes. The enclosure has an IP67 rating, protecting internal components from fine dust and temporary water immersion in washdown or tool-coolant areas. The keyed shaft helps prevent coupling slippage during acceleration and rapid deceleration, while the sealed housing supports operation near machinery exposed to airborne debris or occasional liquid contact.
