150-F85NBR | Allen-Bradley 200-460V AC SMC Flex Motor Soft-Starter

Introduction to the Allen-Bradley 150-F85NBR

When your application demands smooth motor acceleration and deceleration, the 150-F85NBR from Allen-Bradley provides a reliable solution. This SMC Flex smart motor controller is designed to reduce mechanical stress and optimize energy use. It supports multiple starting and stopping modes, making it a versatile choice for industrial automation.

Part of the SMC Flex family, the 150-F85NBR is a solid-state soft-starter that operates on a 3-phase input line voltage of 200-460V AC at 50/60 Hz. It is suitable for line-connected and delta-connected motors, offering flexible power and current ratings to match your motor specifications.

Key Features and Technical Specifications

• Input Line Voltage: 200-460V AC, 3-phase, 50/60 Hz
• Rated Voltage: 200-460V AC
• Output Current (Line-Connected Motors): 17-85 Amperes
• Output Current (Delta-Connected Motors): 29.4-147 Amperes
• Output Power (Line-Connected Motors): 25-60 HP @ 60 Hz; 22-45 kW @ 50 Hz
• Output Power (Delta-Connected Motors): 40-100 HP @ 60 Hz; 45-75 kW @ 50 Hz
• Control Voltage: 24V AC/DC
• Enclosure Type: Open
• Mounting: Panel Mount
• Weight: 12.50 lbs (5.67 kg)

The 150-F85NBR includes a built-in electronic motor overload protection and an SCR bypass/run contactor, enhancing reliability. It also features an integrated Human Interface Module (HIM) with a backlit LCD and keypad for easy configuration and monitoring.

Applications and Use Cases

This soft-starter is ideal for applications requiring controlled starting, such as conveyors, pumps, fans, and compressors. Its ability to handle both line-connected and delta-connected motors makes it a flexible choice for various industrial setups. For example, in a pumping system, the 150-F85NBR can reduce water hammer by gradually ramping up the motor speed, extending equipment life.

Additionally, the controller's metering capabilities—measuring amps, volts, kW, kWh, power factor, and motor thermal capacity—allow operators to monitor energy consumption and optimize system efficiency. This data-driven approach supports predictive maintenance and reduces downtime.

Installation and Setup Guide

When installing the 150-F85NBR, ensure the input line voltage matches your facility's supply (200-460V AC, 3-phase). The controller is panel-mounted, so plan your enclosure space accordingly. It comes with load terminal lugs for wiring convenience.

For the fan operation, a standalone single-phase power supply of 120V or 240V is required. Make sure to follow the manufacturer's manual for proper wiring and configuration. The operating temperature range is -5 to 40 °C, and storage temperature is -20 to 75 °C, so install in a well-ventilated area.

Maintenance and Reliability

Regular inspection of the 150-F85NBR is recommended to ensure long-term reliability. Check for dust accumulation on the heatsink and verify that all connections are tight. The controller's built-in diagnostics can detect faults like overvoltage, undervoltage, phase loss, and communication errors, allowing proactive maintenance.

Because the 150-F85NBR includes electronic overload protection, it helps prevent motor damage from overcurrent conditions. This reduces unplanned downtime and extends the service life of both the controller and the motor.

Compatibility and Integration

The 150-F85NBR is compatible with standard squirrel-cage induction motors and Wye-Delta (six-lead) motors. It offers one DPI port for an optional HMI and another for an expansion module, enabling integration with other automation components. The controller provides four fully programmable auxiliary contacts and one N.O. and one N.C. output contact for status signaling.

For communication, the DPI ports allow connection to optional modules, but specific protocols are not listed in the provided data. Consult the official documentation or contact Petro Auto Tech for detailed integration options.

Troubleshooting and Common Issues

If the 150-F85NBR trips on overload, check the motor current settings and ensure they match the actual motor FLA. The controller offers selectable overload trip classes (10, 15, or 20) to match your application's requirements. For communication faults, verify the DPI connections and ensure the optional modules are properly seated.

If the controller displays a jam or stall fault, inspect the mechanical load for obstructions. The built-in diagnostics help identify issues quickly, reducing troubleshooting time.

Frequently Asked Questions

Q: What is the input voltage range for the 150-F85NBR?

A: The input line voltage is 200-460V AC, 3-phase, at 50/60 Hz.

Q: Can the 150-F85NBR be used with delta-connected motors?

A: Yes, it supports both line-connected and delta-connected motors, with output current ranges of 17-85 A and 29.4-147 A, respectively.

Q: What control voltage does the 150-F85NBR require?

A: The control voltage is 24V AC/DC.

Q: What starting modes are available on the 150-F85NBR?

A: It supports soft start, kickstart, current limit, pump control, dual ramp start, full voltage start, coast, soft stop, and smart motor braking.

Product Support and Availability

The Allen-Bradley 150-F85NBR is available through Petro Auto Tech. Contact us for current availability and lifecycle status. Our team can assist with technical questions and replacement needs.