Description

MPL-B430P-SK74AA Allen‑Bradley Low-Inertia Brushless AC Servo Motor

Technical Specifications

• Product Model: MPL-B430P-SK74AA
• Brand: Allen‑Bradley (Rockwell Automation)
• Warranty: One Year
• Input Voltage: 460V AC 3‑Phase Industrial Power Supply
• Operating Temperature: 0°C to +40°C
• Storage Temperature: -20°C to +70°C
• Response Time: ≤0.8ms dynamic torque response
• Protection Class: IP50 standard housing, IP66 with optional shaft seal kit
• Accuracy Class: ±0.008° mechanical positioning accuracy via single‑turn high‑resolution encoder
• Output Frequency: 0–833Hz (corresponding to 5000 RPM maximum speed)
• Rated Current Range: 9.2A continuous, 32A peak overload current
• Communication Interface: SpeedTEC right‑angle rotatable DIN feedback & power dual connector
• Supported Protocols: Hiperface encoder protocol, compatible with Kinetix servo drive serial communication
• Overload Capacity: 350% rated torque for short‑term acceleration and deceleration cycles
• Dimensions: 115mm frame diameter × 192mm overall length (76.2mm magnet stack length)
• 

Product Overview

The MPL-B430P-SK74AA is a Bulletin MPL series low-inertia permanent magnet brushless synchronous servo motor engineered for high-dynamic closed-loop motion control in 460V industrial automation systems. Built with optimized rotor winding and rare-earth magnet structure, this unit delivers smooth torque output with minimal ripple at low rotational speeds, eliminating micro-jitter during precise indexing and repetitive positioning tasks. It integrates a built-in 24V DC holding brake to lock the output shaft securely when power is cut, preventing load drift in vertical axes and suspended mechanical structures.

Equipped with a keyless smooth shaft and IEC standard FF metric mounting holes, the motor adopts a 180° rotatable right-angle SpeedTEC DIN connector to simplify wiring layout inside compact control enclosures and reduce cable bending stress. Automation system integrators, machine builders and plant maintenance technicians benefit from its direct compatibility with Rockwell Kinetix 5500, 6500 and legacy servo drive platforms, streamlined commissioning workflow, and sealed enclosure that resists workshop dust and minor liquid splashes. Its low-inertia design drastically shortens acceleration and deceleration cycles to boost overall equipment throughput for high-speed automated production equipment.

Typical Application Scenarios

1. CNC machine tool feed axes, cutting head positioning and auxiliary spindle drives
2. Automated packaging, labeling, cartoning and high-speed conveyor positioning systems
3. Multi-axis robotic articulated joints, gantry linear actuators and pick-and-place modules
4. Printing, textile winding, film slitting and tension control production equipment
5. Automotive assembly stations, electronic component insertion and testing automation lines