H-4050-P-H00AA Brushless AC Servo Motor

The H-4050-P-H00AA is a low‑inertia, frame size 4050 brushless AC servo motor from the Allen‑Bradley (Rockwell Automation) 1398 ULTRA H‑Series, designed for high‑dynamic, high‑precision motion control in industrial automation and machinery. It features a neodymium‑iron‑boron permanent magnet rotor, integrated 2000‑line incremental encoder, and rugged construction, delivering outstanding torque density, fast acceleration, and long‑term reliability for closed‑loop servo applications.

Manufacturer: Allen‑Bradley (Rockwell Automation) / ElectrocraftPart Number: H‑4050‑P‑H00AASeries: 1398 ULTRA H‑Series (Low Inertia)Type: Three‑phase brushless AC servo motorFrame Size: 4050 (4‑inch frame)Rated Power: 2.5 HP (1.9 kW)Rated Voltage: 230/240 VAC, 3‑phaseRated Current: 12 AMaximum Speed: 4,000 RPMContinuous Stall Torque: 6.8 Nm (60 lb‑in)Peak Stall Torque: 13.6–21.5 Nm (120–190 lb‑in)Rotor Inertia: 0.00046 kg·m²Encoder: 2000 PPR incremental optical encoder with index (Z) pulseEncoder Supply: 5 VDCEncoder Output: TTL/RS‑422 differentialInsulation Class: Class FProtection Rating: IP54Operating Temperature: 0°C to +40°C (ambient)Storage Temperature: −20°C to +70°CWeight: Approximately 9.3 kg (20.5 lbs)Shaft Diameter: 0.625 inch (15.875 mm), with keyMounting Flange: Standard IEC metric flange, 4‑hole pattern

Rotor: High‑energy neodymium‑iron‑boron permanent magnet, low inertia for rapid acceleration/decelerationStator: Precision‑wound three‑phase stator with Class F insulation, low cogging, smooth torque outputBearings: High‑precision double‑row ball bearings, lubricated for life, minimizing maintenanceShaft Seal: Integrated seal for dust and splash protectionHousing: Robust aluminum alloy with cooling fins, efficient heat dissipationThermal Protection: Internal thermal switch for overheat detection

High Dynamic Performance: Low‑inertia rotor enables fast acceleration/deceleration, ideal for high‑speed cyclic tasksPrecision Feedback: 2000‑count incremental encoder provides accurate speed/direction/position data for ±0.01% speed regulation and precise homingHigh Torque Density: Compact 4‑inch frame delivers high continuous and peak torque, saving installation spaceIndustrial Ruggedness: IP54 rating, wide temperature range, and vibration resistance ensure reliability in harsh factory environmentsDrive Compatibility: Optimized for Allen‑Bradley ULTRA 200 and ULTRA Plus series servo drives, supporting plug‑and‑play closed‑loop control

Primary Applications: Precision positioning, pick‑and‑place, CNC machine tools, packaging machinery, material handling, robotic systemsIndustrial Sectors: Automotive, electronics manufacturing, food and beverage, plastics, general automation requiring high‑accuracy motionSystem Integration: Works with Allen‑Bradley Kinetix, Ultra, and BRU series drives, and RSLogix‑based PLC systems

Installation: Mount via standard flange; align shaft with load using precision coupling to avoid misalignmentWiring: Connect power cables to motor power connector and encoder cables to feedback connector; follow official wiring diagram and use shielding to reduce EMIMaintenance: Periodically check coupling tightness, connector integrity, and cable condition. Bearings are lubricated for life; no routine maintenance required. Disconnect power before servicing.

Compliance: CE certified, meeting European EMC and safety standardsStatus: Discontinued by manufacturer; available as surplus or refurbished unitsWarranty: Third‑party 2‑year warranty offered by suppliersDurability: Proven reliable in continuous industrial operation, with a long‑standing installed base worldwide