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Allen-Bradley 150-A54NB-ND


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All Parts Come with 12 Month Warranty

New, Surplus, and Refurbished Available

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

Shipping Information

We offer free standard shipping. Products located in the U.S. are eligible for expedited shipping, including next day air.

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Product Specifications

brand name Allen-Bradley

The Allen-Bradley 150-A54NB-ND is a Motor Controller from the SMC-2 product line, manufactured by Rockwell Automation. This compact and cost-effective motor controller is designed to operate with 380 to 480 Volt three-phase AC (+10%, -15%) voltages at 50 to 60 Hertz. It has a rating of around 54 Amperes and can function with up to 22 kW at 380 Volts AC or 40 Hp at 460 Volts AC.

The controller features an interface option that allows for I/O control through an external device, auxiliary contact, and Soft Stop feature. The soft stop time can be adjusted to 5, 10, 15, 25, 35, 45, 55, or 110 seconds, and this interface operates on a single-phase 100 to 120 Volt AC voltage.

The Allen-Bradley 150-A54NB-ND contains all three of the most popular start modes in one unit: Soft Start, Current Limit Start, and Full Voltage Start. The Soft-Stop mode is integrated with this controller, which can help minimize load shifting. The interface option on this controller may reduce panel space requirements significantly since it can exclude the need for an additional contactor installation if there is no need for a soft stop or electrical isolation.

The controller is an open (IP00) type and its dimensions are 244 millimeters (9.6 inches) x 290 millimeters (11.4 inches) x 190 millimeters (7.4 inches). Its heat dissipation is around 170 Watts at its maximum level, and the connection cable size appropriate for this SMC-2 motor controller is a 10 millimeter squared (AWG 4) cable.

The permitted operating temperature for this device is from 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit), while the storage temperature is between -40 and 85 degrees Celsius (-40 to 185 degrees Fahrenheit).

Technical Specifications

  • Series: A
  • Enclosure Type: Open
  • Protective Module: None
  • Interface Module: 150-NA
  • Controller Rating: 54 Amps

User Manual

The user manual for the Allen-Bradley 150-A54NB-ND is available under the publication number 150-UM007.

Troubleshooting and Repair

The 150-A54NB-ND is available for repair through DO Supply, which offers a 1 Year DO Supply Warranty for its repair services. The repair process typically takes 2-4 weeks, and customers can contact DO Supply for additional information about the process.


The Allen-Bradley 150-A54NB-ND does not require programming as it is a pre-configured motor controller. However, the interface option allows for I/O control through an external device, auxiliary contact, and Soft Stop feature, which can be adjusted to suit specific application requirements.


The Allen-Bradley 150-A54NB-ND is designed to be easy to set up and maintain. It can be installed in a variety of applications where a compact and cost-effective motor controller is required. The interface option on this controller may reduce panel space requirements significantly, making it suitable for applications where space is limited.

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