The Allen-Bradley 150-F85NBD, also cataloged as the 150-F85NBD Smart Motor Controller, operates as a dedicated hardware component for solid-state reduced voltage starting, controlled ramp acceleration, and current limiting within 3-phase AC motor circuits.

Part Number Configuration

• 150-F: Bulletin 150 SMC Flex solid-state soft starter platform.

• 85: 85 A continuous current rating supporting 15 to 60 hp motors at 460 VAC line input.

• N: Open enclosure construction intended for direct mounting inside an electrical control panel.

• B: 200...480 VAC 3-phase main input operating voltage threshold at 50/60 Hz.

• D: 100...240 VAC control circuit input rating.

Key Physical & Electrical Specifications

Fieldbus Integration & Controller Synchronization

The solid-state motor controller transmits internal operating status, motor load metrics, and trip diagnostics over EtherNet/IP deterministic networks through optional communication module adapters. Internal controller logic preserves strict firmware flash compatibility across network nodes, preventing data handshake delays and timing jitter during continuous programmable logic processor sweeps.

Standard Package Contents

• 1 x Allen-Bradley 150-F85NBD Smart Motor Controller

• 1 x Field Wiring and Technical Guide

Cabinet Assembly & Electrical Guidelines

• Panel Mounting Orientation

  • Fasten the open unit vertically on a clean, unpainted metal mounting plate inside a protective enclosure to allow unobstructed convective heat sink cooling.

• Power Terminal Wiring

  • Secure 3-phase incoming power lines to L1, L2, L3 and motor leads to T1, T2, T3 according to marked terminal torque values.

• Control Circuit Isolation

  • Separate 100...240 VAC control supply conductors from high-voltage main power cables to prevent inductive noise interference.

• Earth Grounding Protocol

  • Run a heavy-gauge copper bonding conductor directly from the main cabinet ground bar to the controller protective earth terminal.

Field Engineering Questions & Answers

• What is the max continuous output current rating of the 150-F85NBD?

  The controller supports a continuous operational output current rating of 85 A for 3-phase induction motors.

• What control voltage must be connected to the control terminals?

  The internal control circuit requires a single-phase AC control voltage input source ranging from 100 VAC to 240 VAC at 50/60 Hz.

• Can power lines be connected or serviced while control power is active?

  No, both the 3-phase AC main line power and AC control supply inputs must be de-energized prior to terminal servicing.

• What motor power capacity can this unit handle at 460 VAC input?

  The module manages 3-phase induction motor applications rated from 15 hp up to 60 hp at 460 VAC operating line voltage.

• Is an external protective cabinet required for this controller model?

  Yes, because this starter features an open enclosure design, it must be installed inside a suitable industrial enclosure.

• How does the unit maintain data consistency across communication buses?

  Optional communication interface cards connect to control registers while maintaining firmware flash compatibility across nodes.

• What main line input voltage parameters apply to the power terminals?

  The main power circuit accepts 3-phase AC operating line voltages ranging from 200 VAC to 480 VAC at 50/60 Hz frequency.

• What thermal considerations are required during panel installation?

  The starter must be mounted strictly in a vertical orientation to facilitate proper convective heat dissipation through its heat sinks.