Configured for controlled three-phase induction motor starting, acceleration profiling, and dynamic braking in power distribution networks, the Allen-Bradley 150-F60NBDD (150-F60 Solid-State Soft Starter) provides direct physical/electrical execution. It regulates operational continuous currents up to 60 A on main lines operating between 200 and 480 VAC at 50/60 Hz. The solid-state power assembly utilizes silicon-controlled rectifiers (SCRs) to modulate voltage ramps during startup with a 350% starting duty capability, limiting mechanical shock and reducing peak electrical line loading during motor state transitions.

Catalog Nomenclature & Suffix Breakdown

• 150-F: Designates the Bulletin 150 SMC Flex solid-state soft starter platform.
• 60: Represents the 60 A nominal operational current rating for standard inline load wiring.
• N: Open enclosure structural frame (IP00 rated) intended for cabinet assembly.
• B: Operating main line voltage range specified at 200...480 VAC, 3-Phase, 50/60 Hz.
• D: Control circuit operating power supply specification covering 100...240 VAC.
• D: Factory-installed internal option board configured for Smart Motor Braking (SMB) control algorithms.

Hardware Operating Specifications

Backplane Integration & Deterministic Network Messaging

The soft starter integrates into Logix-based control systems through DPI expansion ports connected to optional communication adapters. Communicating across EtherNet/IP deterministic networks, the controller cyclically sends current feedback metrics, internal thermal percentages, and operational trip flags. High-speed processor firmware flash compatibility maintains microsecond SCR firing pulse synchronization, preserving low-latency data updates and maintaining system I/O density scaling during network-triggered start, ramp, or brake routines.

Equipment Package Contents List

• 1 x Allen-Bradley 150-F60NBDD Solid-State Starter Chassis
• 1 x Factory-Integrated Braking Option Card
• 1 x Set of Terminal Protective Isolation Barriers
• 1 x Mechanical Installation Sheet and Wiring Diagram Sheet

Cabinet Installation & Field Cabling Guidelines

• Enclosure Mounting Rules
  • Mount the open frame chassis vertically onto an unpainted grounded metal panel within a protective enclosure.
  • Maintain a minimum free space of 150 mm above and below the starter assembly to allow unimpeded natural air convection.
• Cabling and Signal Separation
  • Route low-voltage 100...240 VAC control supply conductors in isolated wire ducts separated from 3-phase line and load power cables.
  • Connect the primary protective earth lug to the main system ground bus using a short, low-impedance copper jumper.

Technical Questions and Answers

• What input control voltage does the 150-F60NBDD control block require?

  The control terminal block operates on an AC control voltage range of 100...240 VAC at 50/60 Hz.

• What function is enabled by the double D suffix code in this model number?

  The D suffix indicates a 100...240 VAC control voltage rating combined with an internal option board for Smart Motor Braking.

• What starting current capacity does the 150-F60NBDD soft starter support?

  The unit is rated for a 350% starting duty cycle during initial acceleration sequences.

• Can this soft starter be operated outside of an enclosure?

  No, the chassis uses an Open IP00 frame design and must be housed inside an IP54 or NEMA-rated enclosure.

• How does the starter limit power dissipation during continuous full-speed operation?

  Internal bypass contactors engage automatically once motor acceleration completes, bypassing the power SCRs to lower thermal losses.

• Can the internal logic firmware be updated through diagnostic field tools?

  Yes, onboard control logic features firmware flash compatibility via DPI adapters using standard automation software.

• How does the unit monitor thermal overload conditions on the motor?

  The internal electronics calculate motor thermal capacity based on measured phase currents and user-configured motor trip classes.

• How are fault trip conditions cleared after a system protection lockout?

  Faults are cleared by applying a reset pulse to the reset terminal, cycling control power, or sending a network reset command.