Description
1. Unboxing & Physical Snapshot
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Model & Brand: Rockwell Automation / Allen-Bradley MP-Series Low-Inertia Brushless Rotary Servo Motor (Part No. MPL-A420P-HJ22AA)
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Physical Dimensions (Approximate Frame & Length): 115 mm (4.53 in) frame size with a 50.8 mm (2.0 in) magnetic stack length.
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Estimated Shipping Weight: 4.51 kg (9.94 lbs).
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What-is-in-the-Box: Low-inertia permanent magnet servo motor, 180-degree rotatable SpeedTEC right-angle bayonet connectors, keyed shaft extension (without shaft seal), and original manufacturer compliance documentation.
2. Product Introduction
High-performance motion control systems, high-speed automated packaging lines, and precise robotics require compact servo motors capable of delivering rapid accelerations without mechanical lag. This Allen-Bradley MP-Series low-inertia servo motor integrates innovative winding technology to yield high torque density within a reduced frame size—which is vital for optimizing cycle times in multi-axis synchronization loops.
The ruggedized industrial housing protects internal rare-earth permanent magnets and precision encoder feedback elements from dust and ambient factory environments. Translating complex motion controller commands into exact mechanical rotation, this hardware maintains absolute position integrity under continuous operational cycles.
3. Core Technical Specifications
| Parameter | Value |
| Motor Type | Low-Inertia Brushless Permanent Magnet Rotary Servo Motor |
| Series Compatibility | Allen-Bradley Kinetix Motion Control Systems |
| Voltage Class | 230 V AC (200V nominal rating class) |
| Frame Size & Stack Length | 115 mm frame (Size 4) / 50.8 mm stack length (Stack 20) |
| Rated Speed | 5000 RPM maximum operational speed |
| Feedback Type | 2000-line encoder configuration |
| Shaft & Sealing Options | Keyed shaft extension without shaft seal |
| Connector Type | Right-angle, 180-degree rotatable SpeedTEC DIN bayonet connectors |
| Holding Brake Option | None (Non-braked variant) |
| Operating Temperature Range | 0 °C to +40 °C (32 °F to +104 °F operational threshold) |
4. Global Compliance & Industry Certifications
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Expected Regulatory Approvals: CE Mark, UL Recognized, cURus, and RoHS environmental compliance directives.
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Safety & Compliance Impact: Compliance with international electrical safety standards ensures that motor insulation systems and high-voltage winding barriers prevent electrical breakdown during continuous acceleration cycles, safeguarding plant operators.
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Verify specific lot certifications with OEM.
5. Long-Term Storage & Asset Preservation Guide
Keep this servo motor sealed inside its original anti-static and moisture-barrier packaging to protect internal encoder electronics from electrostatic discharge events. Maintain warehouse storage conditions at a relative humidity level strictly below 60% and temperatures between -30 °C and +70 °C to prevent micro-oxidation on exposed shaft extensions and connector pins. Store the unit flat on secure shelving racks, avoiding heavy stacking loads that could damage the SpeedTEC connection housing.
6. Physical Installation Prerequisites
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Verify that the mechanical mounting flange and load coupling are clean, aligned, and free of burrs prior to motor attachment.
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Form proper drip loops on motor power and feedback cables to prevent condensation or cutting fluids from migrating down vertical cable lines into the connector interface.
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Ensure all power cables are shielded and properly grounded to minimize electromagnetic interference (EMI) toward sensitive control networks.
7. Buyer’s FAQ (Logistics & Compliance Focus)
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Q: What Harmonized System (HS) code applies for international customs clearance on this Allen-Bradley servo motor?
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A: Electric AC motors, multi-phase synchronous servo motors, and drive actuators typically classify under HS code 8501.52 or 8501.53. Confirm local code accuracy with your trade compliance broker.
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Q: Does this specific unit feature an integrated holding brake?
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A: No. The part suffix designation indicates a non-braked configuration; external holding mechanisms or gravity-drop safeguards must be integrated into vertical axes separately.
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Q: How does the Country of Origin (COO) documentation affect our import compliance audit?
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A: Manufacturing origin records correspond to authorized global production facilities within Rockwell Automation’s motion control supply chain. Check commercial invoice documentation for precise country details to satisfy trade treaty requirements.
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Q: Is specialized transit insurance recommended during shipment?
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A: Yes. Because precision servo motors contain balanced rotors, high-energy magnets, and delicate optical feedback encoders, comprehensive transit insurance guarding against mechanical impact shock is strongly advised.
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