Description

Allen‑Bradley MPL‑B330P‑MJ72AA Low Inertia Brushless AC Servo Motor

Basic Technical Specifications

• Model: MPL‑B330P‑MJ72AA
• Brand: Allen‑Bradley (Rockwell Automation), MP Series MPL low-inertia servo motor, matched with Kinetix 5500/5700 drives
• Warranty: 1 Year

Electrical Parameters

1. Rated Voltage: 460/480V 3‑phase AC high voltage class
2. Rated Power: 1.8kW
3. Rated Speed: 5000 RPM continuous maximum speed
4. Continuous Stall Torque: 4.18 N·m
5. Peak Torque: 11.1 N·m (300% short‑term overload capacity)
6. Rotor Inertia: 0.00012 kg·m² ultra‑low inertia for fast dynamic response

Encoder Feedback

• MJ = Hiperface DSL multi‑turn absolute high‑resolution encoder
• 1024 sin/cos resolution, power‑off position retention, no homing required after power cycle
• 

Mechanical Structure

1. Frame Size: B3 = 100mm IEC metric flange (Frame 3)
2. Magnet Stack Length: 30 code = 76.2mm stator lamination stack
3. Shaft: P = Keyed solid output shaft
4. Brake: 2 suffix = without built‑in holding brake
5. Connector: SpeedTEC DIN quick‑lock right‑angle plug, 180° rotatable for flexible wiring routing
6. Mounting: FF standard IEC free mounting flange
7. Protection Grade: IP50 motor body, shaft end IP65
8. Net Weight: Approx 4.6kg

Environmental Conditions

• Operating Temperature: 0℃ ~ +40℃
• Humidity: 5%–95% RH non‑condensing
• Vibration/Shock: 2.5m/s² continuous vibration, 20g impact resistance
• Certifications: CE, UL industrial safety compliance