Product Overview
The Allen-Bradley 150-F480NBR is an SMC-Flex smart motor controller from the SMC-Flex product line. This solid-state controller delivers 480 A and is rated for 400 Hp at 460V AC. It is designed to reduce mechanical stress and save energy during motor startup by applying advanced control methods such as soft start, current limit, full voltage, dual ramp, preset slow speed, kickstart, or linear speed. The controller comes in an open enclosure (IP00) and requires installation inside a fan-vented IP54 (Type 2) electrical cabinet to protect against liquids, dust, and conductive parts. The ambient temperature range is -5 to 50 degrees Celsius (23 to 122 degrees Fahrenheit).

Technical Specifications Breakdown
Key parameters for the 150-F480NBR are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Category | Drives |
| Product Line | SMC-Flex |
| Part Number | 150-F480NBR |
| Weight | 101.00 lbs (45.81 kg) |
| Bulletin Number | Solid State Controller |
| Enclosure Type | open |
| Controller Rating | 480 A, 400 Hp at 460V AC |
| Input Line Voltage | 200-460V AC, 3-phase, 50 and 60 Hz |
| Control Voltage | 24V AC/DC (5-480 A units) |
| Rated Voltage | 200-460V AC |
Industry Applications
This controller is well-suited for heavy industrial applications requiring reliable motor starting and protection. Typical uses include conveyors, pumps, compressors, and fans where soft starting reduces mechanical shock and prolongs equipment life. By using the SMC-Flex's energy-saving features, facilities can lower operational costs while maintaining performance.
Installation & Setup Guidance
Install the open enclosure controller inside a clean, dry, fan-vented IP54 (Type 2) electrical cabinet. Ensure ambient temperature stays between -5 and 50 degrees Celsius. Connect the armature to a 200-460V AC, 3-phase, 50 or 60 Hz input line. The control power terminals accept both 24V AC and 24V DC. Program the controller using the integrated HMI (LCD display with numeric keypad) or an optional 20-HMI LCD Human-Module Interface. Configure soft start parameters, current limit, or other control methods based on motor requirements. Always follow local electrical codes and manufacturer guidelines.
Maintenance & Reliability
Periodically inspect the controller and cabinet for dust, moisture, or debris. Ensure ventilation openings remain unobstructed. Check all electrical connections for tightness and signs of corrosion. The built-in electronic motor overload protection and metering capability help monitor performance. The SCR bypass contactor reduces heat generation during full-speed operation, extending component life. Replace any damaged parts promptly to maintain reliability.
Compatibility & Integration
The 150-F480NBR includes DPI communication capability for integration with control networks. It features four programmable auxiliary contacts and an integrated HMI for local programming. The controller supports multiple control methods, making it compatible with various motor types and applications. Use the optional 20-HMI LCD module for enhanced interface options.
Selection Guide & Purchasing Advice
When selecting a motor controller, verify that the voltage, current, and horsepower ratings match your motor. The 150-F480NBR is rated for 480 A and 400 Hp at 460V AC, with an input line voltage of 200-460V AC, 3-phase. Ensure your control system provides 24V AC/DC for the control circuit. AutoDCSTech offers genuine Allen-Bradley parts with expert support.
Troubleshooting & Common Issues
If the motor fails to start, check the input line voltage (200-460V AC, 3-phase) and control voltage (24V AC/DC). Verify that the HMI programming is correct and that the soft start parameters are appropriate for the motor. If the controller trips on overload, inspect the motor for mechanical binding or excessive load. Ensure the ambient temperature is within the -5 to 50 degrees Celsius range. For persistent issues, consult the SMC-Flex user manual or contact AutoDCSTech for assistance.
Availability & Condition at AutoDCSTech
| Part Number | 150-F480NBR |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
