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  3. ALLEN BRADLEY A77139-003-51

ALLEN BRADLEY A77139-003-51 Plc Processors

A77139-003-51 Allen Bradley / A7713900351 Used

( Brand: Allen Bradley ), ( Manufacturer Part Number: A77139-003-51 )

Review ALLEN BRADLEY A7713900351 Used

The Allen-Bradley Model A77139-003-51 is a versatile and high-performing AC contactor offered by Rockwell Automation. This contactor is designed for use in various industrial applications, providing reliable control of motors and other loads.

The contactor features a robust construction, with a silver-alloy contact material that ensures long-lasting performance and minimizes contamination. It is rated for a continuous current of 30 amperes and a maximum interrupting current of 100 amperes at 277 volts. The contactor comes with a 5-ampere auxiliary contact that can be used for control or signaling purposes.

One of the notable features of the A77139-003-51 contactor is its built-in overload protection. This feature helps to prevent motor overloading, reducing the risk of damage to the motor and ensuring safe and efficient operation. The contactor is also equipped with a thermal overload relay that automatically trips the contactor if the motor current exceeds the rated value.

The contactor is designed for ease of use and installation. It comes with a mounting base that allows for quick and secure mounting on a DIN rail. The terminal block is easy to access, and the terminals are clearly labeled, making wiring simple and straightforward. The contactor is also compatible with various control systems, including Allen-Bradley and other major brands.

The A77139-003-51 contactor is suitable for use in harsh industrial environments, with a temperature rating of -40 F to 140 F (-40 C to 60 C). It is also UL listed, ensuring compliance with the highest safety standards. With its reliable performance, easy installation, and robust construction, the Allen-Bradley Model A77139-003-51 contactor is an excellent choice for industrial applications that require dependable motor control.

The Allen-Bradley Model A77139-003-51 (A77139-003-51) is a micro drive from Rockwell Automation. Micro drives are compact, variable speed drives that are designed to provide precise speed control and positioning for small motors. Here are some pros and cons of buying this particular micro drive:

Pros:

1. High Precision: The A77139-003-51 offers high precision control, making it ideal for applications that require precise positioning and movement.

2. Compact Size: This micro drive is compact, making it easy to install in limited space applications.

3. Easy to Use: The drive features a user-friendly interface and is easy to program, even for users with little experience.

4. Durable: The micro drive is designed to withstand harsh environments, making it suitable for industrial applications.

5. Versatile: The A77139-003-51 can be used with a wide range of motors and applications.

Cons:

1. Cost: Compared to other micro drives on the market, the Allen-Bradley A77139-003-51 can be quite expensive.

2. Limited Inputs: This micro drive has a limited number of input and output channels, which may not be sufficient for more complex applications.

3. Limited Communication Options: The A77139-003-51 has limited communication options, which may limit its integration with other systems.

Ending Conclusion:

The Allen-Bradley Model A77139-003-51 micro drive offers high precision, compact size, ease of use, durability, and versatility. However, it comes with a higher price tag compared to other micro drives, has limited input and output channels, and limited communication options.

Recommendation:

If you require high precision control, a compact size, and ease of use, the Allen-Bradley A77139-003-51 micro drive is a good option to consider. However, if you have a limited budget, require more input/output channels, or need more advanced communication options, you may want to explore other micro drive options. Overall, the decision to purchase this micro drive depends on the specific requirements of your application.

Details:

Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. ALLEN BRADLEY A77139-003-51 / A USED DISCONTINUED BY MANUFACTURER, INTERFACE COMMUNICATION BOARD WITH WIRES.

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: a7713900351 price

  • $13.85

specifications plcmechanize:

  • brand: Allen Bradley
  • manufacturer part number: A77139-003-51

returns plcmechanize:

  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back

offer plcmechanize:

  • sold: 0
  • started: February 18, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1

payments plcmechanize:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

shipping plcmechanize:

  • class: Standard
  • transit: 29-34 Days
  • service: Standard
  • cost: $12.90
  • type: Fixed

seller plcmechanize:

  • # reviews: 190673
  • city: 1 Millennium Dr, Willingboro, NJ 08046
  • rating: 99.5%

general plcmechanize:

  • condition: Used
  • Industrial Automation Motion Controls > PLCs HMIs > PLC Processors
category: business & industrial > industrial automation motion controls > plcs hmis > plc processors, sku: 14000550254426793,

Allen Bradley A77139-003-51 Is Similar To:

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1 offer $13.85 USD
  • Used. Offer #1 priced at $13.85 + $12.90 delivery = $26.75* total. FACTORY WARRANTY MAY NOT APPLY ALLEN BRADLEY / A7713900351 (USED) DISCONTINUED BY MANUFACTURER, INTERFACE COMMUNICATION BOARD WITH WIRES.+$12.90 shipping

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