GAM2A4005F0CRK1 Sanyo Denki
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The Sanyo Denki GAM2A4005F0CRK1 is part of the G SANMOTION AC Servo Motors series and features a 40 mm square flange size with a 23-bit battery-less absolute encoder. This servo motor has a rated output of 50 W, a rated speed of 3000 min-1, and operates at a power supply voltage of 200 VAC. It delivers a continuous stall torque of 0.167 N·m and a peak stall torque of 0.59 N·m, with a shaft style that is circular, has no key, and includes an oil seal.
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Product Description:
The GAM2A4005F0CRK1 is a small-frame AC servo motor built by Sanyo Denki for the G SANMOTION AC Servo Motors series. With a 40 mm square mounting flange and a circular, keyless shaft protected by an oil seal, the motor is intended for compact positioning axes in pick-and-place units, inspection stages, and other industrial automation assemblies that demand responsive torque and precise feedback. An integrated batteryless absolute encoder supplies single-turn position data to the drive controller, eliminating the need for backup batteries while retaining position information when power is removed.
The motor delivers a continuous mechanical output of 50 W when operated from a 200 VAC servo amplifier. At the rated shaft speed of 3000 rpm, it produces 0.159 N·m of torque, matching light rotary loads such as small indexing tables. This operating point draws 0.79 Arms from the drive, and the copper windings have a phase resistance of 9.3 Ω, which influences current rise time. A torque constant of 0.235 N·m/Arms links commanded current to developed torque, giving the controller predictable torque control resolution. The 23-bit encoder provides 8,388,608 counts per revolution, supporting precise positioning for inspection, handling, and indexing movements. Its high feedback resolution allows the servo amplifier to detect small changes in shaft position during low-speed operation.
For applications that encounter higher acceleration demands, the motor can sustain 0.167 N·m of continuous stall torque with the shaft locked and the housing held at its rated temperature. During brief overloads, it reaches 0.59 N·m and may accept up to 2.9 Arms of phase current without thermal damage. A permissible top speed of 6500 rpm provides headroom for rapid traverse moves before the motor returns to its rated speed for cutting or inspection cycles. The optional holding brake operates from a 24 VDC supply with a tolerance of ±10% and secures vertical axes when power is removed. This braking arrangement prevents suspended loads from drifting while the servo amplifier is disabled. The sealed output shaft helps isolate the bearing area from lubricant that may be present near an attached gearbox or transmission assembly.
