1. Combination Starters Offered
  2. sku: 616292836008533
  3. ALLEN BRADLEY 502-DFB-6P-26R

ALLEN-BRADLEY 502-DFB-6P-26R Combination Strtr Disconnect 90A 460V Nema 3R/4/12

502-dfb-6p-26r Allen-bradley Combination Strtr Disconnect 90a 460v Nema 3r/4/12

( Brand: Allen-bradley ), ( Manufacturer Part Number: 502-DFB-6P-26R )

Review ALLEN BRADLEY Combination Strtr Disconnect 90a 460v Nema 3r/4/12

The Allen-Bradley 502-DFB-6P-26R Combination Starter is a versatile and robust electrical disconnect solution designed for industrial applications. This starter, with a rating of 90A at 460V and complying with NEMA 3R, 4, and 12 specifications, offers excellent protection against various environmental conditions such as water, dust, and corrosion.

The 502-DFB-6P-26R is a 6-pole, 26-position combination starter that is engineered to provide reliable and efficient motor control. Its combination design ensures both Overload and Short-Circuit protection in one compact unit, reducing the need for separate components and simplifying your installation.

This Allen-Bradley Combination Starter is equipped with a built-in overload relay capable of handling various motor sizes and types. It features adjustable trip settings for both overload and short-circuit protection, ensuring optimal motor protection and extending its operational life.

The starter's quick-connect terminals offer easy and secure wiring, which can save time during installation and maintenance. Its compact size makes it well-suited for limited space applications, and the ease of wiring reduces the effort required for complex installation projects.

Additionally, the Allen-Bradley 502-DFB-6P-26R boasts an enclosure made of heavy-duty metal, ensuring durability in industrial environments. The NEMA 3R, 4, and 12 ratings ensure that the starter provides the necessary protection for indoor and outdoor applications, as well as areas prone to oil, coolant, or water splash.

In summary, the Allen-Bradley 502-DFB-6P-26R Combination Starter is an ideal solution for industrial applications that require robust, versatile, and space-saving motor control. With its combined overload and short-circuit protection, easy connection terminals, and durable enclosure, this starter offers efficient, reliable, and long-lasting performance in a wide range of industrial applications.

Pros and Cons of Buying an Allen-Bradley 502-DFB-6P-26R Combination Starter

I. Introduction

The Allen-Bradley 502-DFB-6P-26R is a combination starter produced by Rockwell Automation, offering both overload and motor starters in a single device. It is rated for a maximum voltage of 460V and a maximum current of 90A, suitable for various industrial applications. Here are the pros and cons of purchasing this combination starter.

II. Pros

1. Compact Design: The combination starter features a space-saving design, allowing the installation of both an overload and a motor starter in a single enclosure, reducing the overall hardware requirements and cost.

2. Improved Installation: With fewer components and wiring involved, the installation process becomes more straightforward, reducing labor costs and installation time.

3. Efficient Power Management: Combination starters provide a more efficient power management system since the magnetic contacts in the motor starter section are closed only when the motor is in operation, and during starting and stopping cycles; the overload section is always live to monitor the load current, which helps prolong the life of the motor and the connected system.

4. Enhanced Safety: By combining the overload and motor starters, the need for an additional overload relay or fuse section in the control circuit is eliminated, giving a more compact and centralized safety structure.

III. Cons

1. Limited Configuration Flexibility: Combination starters may not accommodate different starting devices or applications, such as soft starters or variable frequency drives, which may demand specific starting configurations not provided by the Allen-Bradley 502-DFB-6P-26R starter.

2. Overload Capacity: The 502-DFB-6P-26R has a maximum overload capacity of 6 poles, which may require additional devices for applications requiring a greater number of overload contacts.

3. Limited Fuse Rating: The combination starter'sfang-out fuse has a limited maximum rating, which might not be suitable for applications requiring higher fuse ratings.

IV. Conclusion

The Allen-Bradley 502-DFB-6P-26R Combination Starter is an excellent choice for industrial applications where space saving and simplified wiring and installation are essential. Its compact design, improved power management and safety features make it a valuable component in industrial systems. However, it has some limitations, including limited configuration flexibility, overload capacity, and fuse rating.

V. Recommendation

If your industrial application requires multiple starting devices, higher desired overload capacity or fuse ratings, it would be recommended to choose a separate overload and motor starter system instead of a combination starter. Otherwise, the Allen-Bradley 502-DFB-6P-26R combination starter offers many benefits, such as reduced hardware requirements, simplified installation, and improved power management.

Details:

TM.08302023.06, 502DFB6P26R-N-YAG, NEMA 3R/4/12. Direct Online Starter DOL. Allen-Bradley 502-DFB-6P-26R Combination Strtr Disconnect 90A 460V NEMA 3R/4/12 Fusible. Fuse Clips: 100A Class R.

Screw Connection.

specifications stigstarters:

  • brand: Allen-bradley
  • manufacturer part number: 502-DFB-6P-26R

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  • cost: $205.28
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  • started: February 6, 2025
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general stigstarters:

  • condition: New
  • Drives Starters > Starters > Combination Starters
category: business & industrial > drives starters > starters > combination starters, sku: 616292836008533,

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