MPL-B420P-MJ74AA Allen Bradley Servo Motor

Allen Bradley MPL-B420P-MJ74AA Servo Motor

Product Description: 

The Allen-Bradley MPL-B420P-MJ74AA is a high-performance, compact servo motor from the Allen-Bradley MP-Series, designed to provide exceptional dynamic response and precise motion control in space-constrained applications. This motor is engineered to integrate seamlessly with Allen-Bradley Kinetix servo drives, creating a fully optimized system for demanding automation tasks. It is an ideal solution for applications requiring high torque density and rapid acceleration, such as small robotics, precision assembly, indexing, and packaging machinery.

A defining characteristic of this servo motor is its smooth, non-ventilated (tenacious coating) housing. This design prevents the ingress of dust, oils, and other contaminants, making it exceptionally suitable for use in harsh or washdown environments where cleanliness and durability are critical. The motor features a high-resolution, multi-turn absolute feedback system that delivers accurate positional data without the need for a battery, eliminating homing routines upon power-up and simplifying system design. Its compact Frame Size 42 and high torque-to-inertia ratio enable it to deliver quick starts and stops, significantly improving machine cycle times and overall throughput.

Technical Specifications:

The Allen-Bradley MPL-B420P-MJ74AA is a 400V class, Frame Size 42 brushless servo motor. It provides a peak torque of 1.27 Nm and a continuous torque of 0.424 Nm. The motor has a rated speed of 5000 rpm, allowing for high-speed operation in dynamic applications. The rotor inertia is exceptionally low, at 0.037 kg·cm², which is instrumental for achieving its high acceleration capabilities.

This model operates with a peak current of 4.8 A and a continuous current of 1.6 A. It is equipped with a high-resolution 24-bit multi-turn absolute encoder, ensuring precise positional feedback and eliminating the need for a backup battery. The motor boasts a robust IP65 protection rating, offering complete protection against dust and low-pressure water jets, making it suitable for challenging industrial conditions. It features a keyless stainless steel shaft for secure and precise coupling connection. The motor is UL listed and cUL certified, ensuring compliance with North American safety standards.