Allen-Bradley 1336S-BRF20-AA

1. Overview

2. Technical Parameters

• Power: 2 HP (approximately 1.5 kW)
• Input Voltage: 480V AC, 3‑phase (typical)
• Motor Type: Three‑phase AC induction motor
• Drive Type: AC Drive (variable frequency drive)
• Efficiency: Up to 96% or higher
• Control Modes: V/Hz control, vector control for improved torque and speed regulation

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3. Product Features

• High Efficiency
  Utilizes advanced power modules to deliver high energy conversion efficiency, helping to reduce overall power consumption and operating costs.
• Compact Design
  The B‑series (BRF) features a brushless rotor and fixed stator construction, making it more compact and lighter than traditional V‑series drives, and easier to install in tight spaces.
• Flexible Control Functions
  Supports multiple control modes including V/Hz and vector control, providing high torque accuracy and stable performance for both simple and demanding applications.
• Communication Capabilities
  Compatible with major industrial communication protocols such as EtherNet/IP and DeviceNet, allowing easy integration into modern automation and control systems.
• Reliability and Protection
  Incorporates advanced thermal protection and overload protection mechanisms to ensure long service life and safe operation under varying load conditions.

4. Structure and Composition

• PCB Assembly
  Includes the main control board and power module board, responsible for drive control, signal processing, and power conversion.
• Cooling System
  Typically equipped with forced air cooling or natural convection cooling to maintain optimal operating temperatures and ensure consistent performance.
• Communication Ports
  Features interfaces such as Ethernet, serial ports, and fieldbus connections (e.g., DeviceNet, ControlNet) for seamless connectivity with PLCs and other automation devices.

5. Application Areas

• General Industrial Automation
  Ideal for assembly lines, conveyors, pumps, fans, and other machinery requiring adjustable speed and reliable operation.
• Process Control
  Suitable for process control applications in industries such as chemical, petrochemical, and oil & gas, where stable speed and torque control are critical.
• High‑Precision Control
  Well‑suited for applications that demand high torque control accuracy, such as machine tools, packaging machinery, and material handling equipment.

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6. Installation and Maintenance

Installation Requirements

• Environment
  Install in a dry, well‑ventilated area, away from excessive humidity, dust, and corrosive substances.
• Heat Dissipation
  Ensure adequate clearance around the drive for proper airflow and follow recommended spacing guidelines to prevent overheating.
• Electrical Connection
  Follow the wiring diagrams carefully and verify that the motor and drive ratings are properly matched to avoid damage and ensure safe operation. 

Maintenance Recommendations

• Regular Inspection
  Periodically check the cooling fan operation and ensure that air inlets and outlets are free from dust and obstructions.
• Firmware Updates
  Stay informed about official announcements from Rockwell Automation and update the drive firmware as needed to improve performance, compatibility, and security.

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