GAM2A4005F0XNK3 Sanyo Denki
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The Sanyo Denki GAM2A4005F0XNK3 is an AC servo motor from the G SANMOTION AC Servo Motors series featuring a 40 mm square flange and a rated output of 50 W. It has a single-turn absolute encoder with 23-bit resolution and provides a rated speed of 3000 min-1 with a rated torque of 0.159 N·m. This motor has an IP67 protection rating and uses a keyway shaft with an oil seal.
Internal Product Review
The GAM2A4005F0XNK3 is a Sanyo Denki G SANMOTION AC servo motor rated at 50 W with a 200 VAC power supply. A 23-bit single-turn absolute encoder supports accurate positioning and dependable feedback in motion control loops. IP67 protection and 0.59 N·m peak stall torque make the unit an excellent choice for demanding servo applications.
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Product Description:
The GAM2A4005F0XNK3 is an AC servo motor produced by Sanyo Denki for the G SANMOTION AC Servo Motors series. The motor’s compact housing combines laminated steel stator cores with rare-earth magnets to generate high torque density in restricted spaces. A keyed shaft with an oil seal provides direct mechanical coupling while helping prevent lubricant from entering the bearings. Integrated feedback from a single-turn absolute encoder allows the associated servo amplifier to control position or speed without external sensors. This arrangement supports precise rotary axes in pick-and-place heads, dispensing equipment, and miniature gantries.
During continuous operation, the motor delivers a rated mechanical output of 50 W at a shaft speed of 3000 rpm and a corresponding torque of 0.159 N·m. To produce this torque, the windings draw 0.79 A RMS from a 200 VAC three-phase bus, while their 9.3 Ω phase resistance limits inrush current at startup. The electromagnetic design has a torque constant of 0.235 N·m/A RMS, allowing the controller to calculate torque from measured current. The laminated rotor has an inertia of 0.0324 × 10⁻⁴ kg·m², which supports rapid acceleration without excessive overshoot. This responsive behavior is suited to small indexing tables and other mechanisms that perform frequent positioning movements.
For transient loads, the motor can withstand a stall torque of 0.59 N·m, providing nearly four times its rated torque for short positioning moves. A 23-bit magnetic encoder provides high-resolution position feedback and retains absolute position information after power cycling. Mechanical mounting is simplified by a 40 mm square flange that mates with compact reducers and linear stages. The enclosure has an IP67 protection rating, preventing dust ingress and protecting the motor during temporary water immersion when the shaft’s oil seal is properly maintained. The sealed housing also helps protect internal components in machinery exposed to moisture, airborne particles, or occasional splashing. The compact flange and keyed output shaft permit rigid installation where available mounting space is limited.
