{"product_id":"mpl-a420p-hj72aa","title":"Allen-Bradley MPL-A420P-HJ72AA","description":"\u003cstyle\u003e\n.flexa-desc { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; color:#1f2937; line-height:1.7; }\n.flexa-desc .desc-intro { font-size:15px; color:#374151; margin-bottom:0; }\n.flexa-desc .desc-section { margin-top:28px; }\n.flexa-desc .desc-section-title { font-size:15px; font-weight:700; color:#111827; text-transform:uppercase; letter-spacing:.05em; padding-bottom:10px; border-bottom:2px solid #e5e7eb; margin-bottom:16px; }\n.flexa-desc .desc-service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }\n.flexa-desc .desc-service-card { border-radius:10px; padding:16px; border:1px solid #e5e7eb; }\n.flexa-desc .desc-service-repair { background:#fff7ed; border-color:#fed7aa; }\n.flexa-desc .desc-service-ref { background:#f0fdf4; border-color:#bbf7d0; }\n.flexa-desc .desc-service-new { background:#eff6ff; border-color:#bfdbfe; }\n.flexa-desc .desc-service-label { font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:.04em; margin-bottom:8px; }\n.flexa-desc .desc-service-repair .desc-service-label { color:#c2410c; }\n.flexa-desc .desc-service-ref .desc-service-label { color:#15803d; }\n.flexa-desc .desc-service-new .desc-service-label { color:#1d4ed8; }\n.flexa-desc .desc-service-body { font-size:13px; color:#4b5563; line-height:1.6; }\n.flexa-desc .desc-faq-item { margin-bottom:16px; padding:14px 16px; background:#f9fafb; border-radius:8px; border-left:3px solid #e5e7eb; }\n.flexa-desc .desc-faq-item:last-child { margin-bottom:0; }\n.flexa-desc .desc-faq-q { font-weight:700; font-size:14px; color:#111827; margin-bottom:6px; }\n.flexa-desc .desc-faq-a { font-size:13px; color:#4b5563; line-height:1.6; }\n.flexa-desc .desc-seo { margin-top:24px; padding:14px 16px; background:#f3f4f6; border-radius:8px; font-size:13px; color:#6b7280; line-height:1.6; }\n@media(max-width:640px){ .flexa-desc .desc-service-grid { grid-template-columns:1fr; } }\n\u003c\/style\u003e\n\u003cdiv class=\"flexa-desc\"\u003e\n  \u003cp class=\"desc-intro\"\u003eWithin \u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e's Servo lineup, the \u003cstrong\u003eMPL-A420P-HJ72AA\u003c\/strong\u003e functions as a mid-frame rotary \u003cstrong\u003eservo motor\u003c\/strong\u003e in the MP-Series (Bulletin MPL) low-inertia family, designed for precision motion control in demanding industrial environments. Operating at 200V with a 2 kW continuous power rating, the \u003cstrong\u003e\u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e \u003cstrong\u003eMPL-A420P-HJ72AA\u003c\/strong\u003e\u003c\/strong\u003e delivers high torque density relative to its frame size, making it a practical choice where compact footprint and dynamic response are both required. The MPL designation places it within Allen-Bradley's motion portfolio as a permanent-magnet AC \u003cstrong\u003eservo motor\u003c\/strong\u003e, distinct from the variable-speed drive or inverter-duty motor categories. The HJ72AA suffix encodes specific options including feedback type, brake configuration, and connector style — details that determine compatibility with paired drive hardware. At its core, this unit converts electrical input into controlled rotary mechanical output, with the drive-motor pairing managing velocity, torque, and position loops in closed-loop fashion. The 2 kW power class situates it between light-duty positioning tasks and the higher-demand applications served by larger frame motors in the same bulletin.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eIntegration-wise, the \u003cstrong\u003eMPL-A420P-HJ72AA\u003c\/strong\u003e is engineered to pair with Allen-Bradley Kinetix servo drives — most directly the Kinetix 5500 and Kinetix 6000 series — which handle the power conversion and closed-loop feedback processing that the motor itself depends on for accurate motion execution. The HJ72AA feedback configuration is consistent with high-resolution encoder arrangements common in the MP-Series, supporting the sub-micron positioning repeatability that certain processes require. On the network side, these pairings typically run over EtherNet\/IP with the Logix motion instruction set in Studio 5000 Logix Designer, allowing motion axes to be coordinated within a broader ControlLogix or CompactLogix control architecture. Facilities sourcing \u003ca href=\"\/collections\/servo-drives\"\u003eall Servo units we repair\u003c\/a\u003e will recognize the \u003cstrong\u003eMPL-A420P-HJ72AA\u003c\/strong\u003e as a well-documented axis component in multi-axis gantry and pick-and-place systems. Specific deployment environments include automotive assembly torque-tooling stations, medical device assembly lines requiring clean-room-compatible motion, semiconductor wafer-handling end-effectors, and web-tension control systems in converting and printing operations. Its 200V voltage class also makes it common in Japanese-market machine tool retrofits where 200V distribution is standard infrastructure.\u003c\/p\u003e\n  \u003cp class=\"desc-intro\"\u003eLike other Servo units in heavy industrial duty, the \u003cstrong\u003eMPL-A420P-HJ72AA\u003c\/strong\u003e accumulates wear primarily at the bearing sets and feedback device over extended run hours, with thermal cycling accelerating degradation in the stator windings if the drive-motor system operates outside its rated duty cycle. Encoder signal degradation is a common precursor to fault codes on the paired Kinetix drive, often appearing before any mechanical symptom is detectable. Contamination ingress — particularly in wash-down or coolant-mist environments — can compromise the feedback connector seating, a known vulnerability in this connector family. Facilities evaluating an \u003cstrong\u003e\u003cstrong\u003eMPL-A420P-HJ72AA\u003c\/strong\u003e replacement\u003c\/strong\u003e after a motion fault should confirm whether the fault originates in the motor or the upstream drive before committing to a swap. Those looking to \u003cstrong\u003ebuy MPL-A420P-HJ72AA\u003c\/strong\u003e stock as a spare axis for a multi-spindle cell should verify the HJ72AA suffix matches exactly, as suffix variants are not interchangeable across feedback types. Comprehensive \u003ca href=\"\/pages\/servo-repair\"\u003eServo repair services\u003c\/a\u003e and \u003ca href=\"\/pages\/allen-bradley-repair\"\u003e\u003cstrong\u003eALLEN BRADLEY\u003c\/strong\u003e Servo repair\u003c\/a\u003e resources cover the full diagnostic and restoration workflow for this unit. Facilities can ship the MPL-A420P-HJ72AA to \u003cstrong\u003eFlexa Systems\u003c\/strong\u003e for board-level repair, exchange for a \u003cstrong\u003erefurbished\u003c\/strong\u003e unit, or order new stock — repairs are backed by a \u003cstrong\u003e2-year warranty\u003c\/strong\u003e from our Lewisville, TX shop.\u003c\/p\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eTechnical Specifications\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;border-radius:8px;overflow:hidden;border:1px solid #e5e7eb;\"\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eMPL-A420P-HJ72AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eALLEN BRADLEY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e200VV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e2KW\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eService Options\u003c\/div\u003e\n  \u003cdiv class=\"desc-service-grid\"\u003e\n    \u003cdiv class=\"desc-service-card desc-service-repair\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eRepair Service\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eShip your faulty MPL-A420P-HJ72AA to our facility. Our certified technicians perform encoder feedback verification, power stage testing, current loop calibration, and dynamic load testing. Typical turnaround: 5–7 business days. 2-year warranty included.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"desc-service-card desc-service-ref\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eRefurbished\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eIn-stock ALLEN BRADLEY MPL-A420P-HJ72AA servo drive, reconditioned to OEM specifications and verified under load. Ships immediately. 2-year warranty included.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"desc-service-card desc-service-new\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eBrand New\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eNew MPL-A420P-HJ72AA in original ALLEN BRADLEY packaging. Full manufacturer warranty applies. Contact us to confirm availability and lead time.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"desc-seo\"\u003eFlexa Systems repairs ALLEN BRADLEY MPL-A420P-HJ72AA servo drives and supplies refurbished and new units with 2-year warranty coverage. Each unit is verified on a test bench before shipping. Serving automation facilities across the United States.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Repair Service","offer_id":54075651981587,"sku":"2100000010165","price":1200.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":54075652014355,"sku":"2100000010165","price":2100.0,"currency_code":"USD","in_stock":true},{"title":"Brand New","offer_id":54075652047123,"sku":"2100000010165","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1948\/5715\/files\/5fbb63d7b7024af193838172c85f0f24_default.jpg?v=1776931401","url":"https:\/\/flexa-systems.com\/products\/mpl-a420p-hj72aa","provider":"Flexa Systems","version":"1.0","type":"link"}