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The MPL-A520K-MK72AA servo motor is a brushless AC synchronous servo motor developed by Allen-Bradley in the MPL series. It is a 200 Volts-class servo motor with 4000 RPM of rated rotor speed and it generates 95 pounds on an inch of continuous stall torque and 215 pounds on an inch of peak stall torque. It features an absolute 1024 Sin/Cos encoder and SpeedTEC-ready 180-degree rotatable DIN connectors.
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| Manufacturer | Allen Bradley |
|---|---|
| Category | Motors |
| Product Line | MPL Servo Motors |
| Part Number | MPL-A520K-MK72AA |
| Weight | 15.00 lbs (6.80 kg) |
| Description | Servo Motor |
| Inertia Type | Low-Inertia |
| Voltage Class | 200 Volts |
| Rated Speed | 4000 RPM |
| Frame Size | 165 Millimeters |
| Magnet Stack Length | 2 Inches (50.8 Millimeters) |
| Feedback | 1024 sin/cos, Absolute Multi-Turn Encoder |
| Connectors | SpeedTec DIN Connector, Right Angle, 180 Degrees Rotatable |
| Brake Option | None |
| Enclosure Rating/Shaft Key | IP 50 Minimum (without Shaft Seal), Keyless Shaft |
| Mounting | Flange, IEC Metric, Free Mounting Holes |
The MPL-A520K-MK72AA servo motor is a brushless servo motor developed by Allen-Bradley/Rockwell Automation. It has a 230 Volts rated winding and a permanent magnet rotor. The MPL-A520K servo motor is part of the MPL series of low-inertia servo motors. The low-inertia servo motors from MPL series provide high acceleration, high torque, and low maintenance because of their brushless architecture. The MPL-A520K-MK72AA servo motor has a 165-millimeter frame size and a weight of approximately 21.5 pounds. It offers a high torque-to-size ratio, making it ideal for high performance, high-precision, and otherwise demanding applications. The MPL-A520K-MK72AA servo motor has a maximum rated rotor speed of 4000 RPM and a nominal rotor speed of 3500 RPM. It generates 95 pounds on an inch of continuous stall torque and 215 pounds on an inch of peak stall torque. The magnet stack length of the Allen-Bradley MPL-A520K-MK72AA servo motor’s rotor is 2 inches or 50.8 millimeters.
The Allen-Bradley/Rockwell Automation MPL-A520K-MK72AA MPL series servo motor features an absolute multi-turn 1024 Sin/Cos encoder. The motor includes 180-degree rotatable angular SpeedTEC-ready DIN connectors for connecting it to a drive and a power supply. The MPL-A520K-MK72AA servo motor also includes a shaft key, which is used to connect a rotating machine component to the motor's shaft. This servo motor does not come with a braking option. Without a holding brake, the inertia of the MPL-A520K-MK72AA servo motor rotor is 0.000783 kilograms per square meter. This low-inertia brushless servo motor comes with an IEC mounting flange for precise motor mounting. The mounting pilot of the MPL-A520K-MK72AA servo motor can be used to properly align the motor during mounting by using bolt circles and screw holes on it. The motor has a minimum environmental protection rating of IP 50, which can be increased with a shaft seal kit to IP 66. The shaft seal kit is available separately as a servo motor accessory.