Technical Specifications Breakdown
Key parameters for the 150-F201NBR are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Allen Bradley |
| Part Number | 150-F201NBR |
| Line Voltage | 200…460V AC, 3-Phase, 50 and 60 Hz |
| Control Voltage | 24V AC / 24VDC (5…480 A units) |
| Maximum Output Current | 201 A |
| Maximum Output Power | 150 HP |
| Enclosure Type | open |
| Weight | 61.19 lbs (27.75 kg) |
Real-World Applications in Industry
Pump and Fan Control
In water treatment and HVAC systems, the 150-F201NBR provides soft start and pump stop modes to reduce mechanical stress and prevent water hammer. The current limit start feature limits inrush current, protecting both motor and supply network.
Conveyor and Material Handling
For conveyor systems, dual ramp start and Accu-Stop allow smooth acceleration and deceleration of loads, minimizing product spillage and belt wear. The controller's integrated LCD backlit display enables local monitoring of amps, volts, and motor thermal capacity usage.
Compressor and Crusher Applications
Heavy starting loads like compressors benefit from selectable kickstart and smart motor braking. The controller's protection suite—including stall, jam, and overload detection—helps prevent costly downtime.

Installation and Setup Guidance
Mount the 150-F201NBR directly to the enclosure sub-panel using the provided mounting holes located on top and below the controller. Ensure the enclosure meets minimum size requirements: 965 mm (38 in) x 762 mm (30 in) x 356 mm (14 in). The unit requires a 600A-rated Class J fuse for branch circuit protection with a maximum short-circuit rating of 18KA. Connect only to standard squirrel-cage induction motors. Use the built-in Human Interface Module (HIM) for local configuration of operating modes and monitoring.
Maintenance and Reliability
Inspect the heatsink fan (40VA, back side installed) periodically for dust accumulation to ensure adequate cooling. The controller operates in a working temperature range of 23-122°F and storage range of -4-167°F at 5 to 95% non-condensing humidity. Designed for altitudes up to 2000m without de-rating, it suits most industrial environments. The RC Snubber Network provides DV/DT protection, enhancing reliability in switching applications.
The Evolution of Motor Control: Why the SMC Flex Matters
Industrial motor control has shifted from simple electromechanical starters to intelligent systems that optimize performance and protect assets. The Allen-Bradley 150-F201NBR SMC Flex Smart Motor Controller exemplifies this evolution, offering precise control and diagnostics for demanding applications. This controller delivers maximum continuous output current of 201 Amperes and output power of 150 HP at 460VAC rated voltage, making it suitable for medium-to-large induction motors in critical processes.

Compatibility and Integration
The 150-F201NBR communicates via two DPI ports: one for optional human interface modules and one for communication modules. Four fully programmable auxiliary contacts (N.O./N.C.) can be configured for normal/up-to-speed/fault/alarm/network or external bypass. The controller supports metering of amps, volts, kW, kWh, MW, MWH, elapsed time, power factor, and motor thermal capacity usage, enabling integration with plant monitoring systems.
Selection Guide and Purchasing Advice
When selecting a smart motor controller, verify that the line voltage matches your facility's supply (200-460V AC, 3-phase). Please verify current lifecycle status and availability with AutoDCSTech before ordering. Our team can confirm compatibility with your application and provide support for integration.
Troubleshooting and Common Issues
If the controller fails to start, check the control voltage (24V AC/DC) and verify that the DPI communication modules are properly seated. The LCD display provides diagnostic messages for power loss, line fault, voltage unbalance, phase reversal, undervoltage, overvoltage, controller temp, stall, jam, open gate, overload, underload, and communication fault. For persistent alarms, review the motor thermal capacity usage and ensure the overload protection settings match motor full-load current.
Availability & Condition at AutoDCSTech
| Part Number | 150-F201NBR |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
