GAM1A4005F0CNK3 Sanyo Denki
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The Sanyo Denki GAM1A4005F0CNK3 is part of the G SANMOTION AC Servo Motors series and features a 40 mm square flange with an 8 mm shaft diameter. This servo motor has a rated speed of 3000 min-1 and comes equipped with an IP67 ingress protection rating and a single-turn absolute encoder. The motor also includes an oil seal and has a brake voltage of 24 VDC with a maximum engage time of 30 ms.
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Product Description:
The GAM1A4005F0CNK3 is an AC servo motor produced by Sanyo Denki within the G SANMOTION AC Servo Motors series. The model includes an electromagnetic holding brake so that machinery axes can maintain their position when power is removed. Used with a matched drive, the motor supplies precise rotary motion for small robots, laboratory dispensers, and semiconductor handling stages that require rapid, repeatable positioning within a compact footprint. Its compact design makes it suitable for automated equipment with restricted installation space.
At a rated speed of 3000 rpm, the motor can deliver continuous velocity, while its torque is generated with a proportional factor of 0.244 N·m/Arms, allowing the controller to predict load response from current feedback. The three-phase stator windings have a phase resistance of 7.0 Ω, which establishes the voltage needed for the target current loops. The brake provides a minimum static holding torque of 0.48 N·m. The combined rotor and brake assembly has an inertia of 0.0218 × 10⁻⁴ kg·m², supporting fast acceleration during short movements. The holding brake operates from a 24 VDC supply with a tolerance of ±10%, draws 0.26 A, and reaches full locking torque within 30 ms. This quick response helps secure vertical axes during emergency stop sequences.
The housing has an IP67 protection rating and is fitted with an oil seal, allowing installation in washdown or coolant-exposed enclosures without liquid reaching the bearings. Mounting uses a square flange measuring 40 mm per side, so the motor can connect directly to compact gearheads or brackets on space-limited tooling. The body has an overall length of 108 mm, which helps limit the required axis depth. Its shaft has a diameter of 8 mm and accepts miniature couplings with minimal windup. Position feedback is supplied by a single-turn absolute encoder, enabling position information to be available at power-up without additional homing sensors. This encoder also supports tight servo stiffness when the motor is paired with compatible G-series amplifiers.
