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40440-300-51

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Overview of Allen-Bradley 40440-300-51

The Allen-Bradley 40440-300-51 is a 1-pole contact kit designed for use with NEMA Size 4 motor starters and contactors, particularly within the Bulletin 500 Line. Rated for 135 amps and 600 volts maximum, this kit provides a reliable replacement for worn or damaged contacts to maintain operational integrity in industrial motor control applications.

Key Features of Allen-Bradley - 40440-300-51

  • 1-Pole N/O Contact Kit: Suitable for Size 4 contactors and motor starters.
  • Amperage Rating: Rated for 135 amps continuous current.
  • Voltage Rating: Maximum operational voltage of 600 V AC.
  • Complete Assembly: Includes all contacts, mounting screws, and hardware for easy installation.
  • Direct Replacement: OEM replacement for Allen-Bradley original contact kits ensuring compatibility and reliability.
  • Robust Construction: Designed to withstand industrial electrical and mechanical stresses.

Technical Specs of 40440-300-51

Number of Poles 1 Pole Normally Open (N/O)
Rated Current 135 Amps
Rated Voltage 600 V AC Max
Frame Size NEMA Size 4
Compatible Product Line Allen-Bradley Bulletin 500 Line
Included Items Contacts, Mounting Screws, Hardware
Country of Origin USA

Applications / Use Case

The Allen-Bradley 40440-300-51 contact kit is used for maintaining and repairing motor starters and contactors in industrial settings. It ensures continued safe and reliable switching performance in manufacturing plants, processing facilities, and other heavy-duty automation environments.

By replacing worn contacts with this kit, facility operators can prevent equipment downtime and maintain adherence to operational safety standards.

40440-300-51

$0.00

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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