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  3. ALLEN BRADLEY 1326AB-B420F-21-92

ALLEN-BRADLEY 1326AB-B420F-21-92 General

1326ab-b420f-21-92 Allen-bradley 1 Year Warranty

( Brand: Allen-bradley ), ( Manufacturer Part Number: 1326AB-B420F-21-92 ), ( Model: ALLEN BRADLEY 1326AB-B420F-21-92 ), ( Shaft Type: Straight ), ( Ac Phase: Three Phase ), ( Country Of Origin: United States )

Review ALLEN BRADLEY Year Warranty

The **Allen-Bradley 1326AB-B420F-21-92** is a high-performance, compact industrial motor starter designed for demanding applications in automation and control systems. Part of Rockwell Automation s **PowerFlex** series, this starter is engineered to provide reliable, efficient motor control in environments where precision, durability, and ease of integration are critical. The unit features a **420-ampere (A) continuous current rating**, making it suitable for powering medium to large industrial motors in manufacturing, processing, and material handling systems. Its **AC-3 rated** design ensures robust operation under frequent starting, stopping, and reversing conditions, while the **NEMA 12 or NEMA 4X enclosure** options provide protection against dust, dirt, and corrosive elements, depending on the application requirements.

At the heart of this starter is the **Allen-Bradley 1326AB** series, which combines a **solid-state contactor** with advanced protection and control features. The **B420F** designation indicates a specific current rating and thermal protection class, ensuring the starter can handle sustained loads without overheating. The **21-92** suffix denotes a **120/240V AC, single-phase** voltage rating, making it compatible with standard industrial power supplies in North American and similar electrical infrastructures. This starter is equipped with **overload protection**, **short-circuit protection**, and **overcurrent monitoring**, all of which are configurable via the integrated **Allen-Bradley ControlLogix or CompactLogix PLC** interface, allowing for seamless integration into larger automation networks.

One of the standout features of the **1326AB-B420F-21-92** is its **modular and scalable design**, which simplifies installation and maintenance. The starter can be easily mounted on a DIN rail or panel, reducing installation complexity while maximizing space efficiency. Additionally, its **solid-state construction** eliminates the need for bulky mechanical relays, reducing wear and tear and improving long-term reliability. The unit also supports **remote control and monitoring** through digital communication protocols such as **DeviceNet, Ethernet/IP, or ControlNet**, enabling real-time diagnostics, predictive maintenance, and integration with supervisory control systems.

For applications requiring precise motor control, the **1326AB** series offers **soft-start capabilities**, reducing mechanical stress on connected equipment during startup. This feature is particularly beneficial in applications involving pumps, compressors, or conveyors, where sudden electrical surges could cause damage or operational inefficiencies. The starter s **high-precision current sensing** ensures accurate overload protection, while its **fail-safe design** prevents unintended motor engagement in the event of a control failure. Furthermore, the **Allen-Bradley 1326AB** series is compatible with **Rockwell Automation s Studio 5000 software**, allowing engineers to configure, test, and troubleshoot the starter through a user-friendly graphical interface.

In summary, the **Allen-Bradley 1326AB-B420F-21-92** is a versatile, high-performance motor starter tailored for industrial environments where reliability, efficiency, and advanced control are essential. Its robust construction, configurable protection features, and seamless integration with Rockwell Automation s ecosystem make it an ideal choice for applications ranging from manufacturing automation to energy-intensive processes. Whether used in standalone setups or as part of a larger PLC-based control system, this starter delivers consistent performance, reduced downtime, and enhanced operational flexibility.

The **Allen-Bradley 1326AB-B420F-21-92** is a **120V AC, 20A, 2-pole, 21-ampere circuit breaker** designed for use in industrial control panels. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Allen-Bradley 1326AB-B420F-21-92**

1. **High Quality and Reliability**

- Manufactured by **Rockwell Automation (Allen-Bradley)**, a trusted name in industrial automation, ensuring durability and consistent performance in harsh environments.

- Designed to meet **NEMA and UL standards**, making it suitable for commercial and industrial applications.

2. **Compatibility with Industrial Systems**

- Part of the **1326 series**, which is widely used in **control panels, motor starters, and power distribution systems**.

- Works seamlessly with **Allen-Bradley relays, contactors, and PLCs**, reducing integration issues in existing setups.

3. **Overload and Short-Circuit Protection**

- Provides **thermal and magnetic trip protection**, preventing damage from overloads and short circuits.

- The **21A rating** is appropriate for medium-power circuits (e.g., small motors, lighting, or control circuits).

4. **Easy Installation and Maintenance**

- Standard **NEMA 1 or 4X enclosure compatibility**, allowing for straightforward panel integration.

- Replaceable **trip elements** (if available) reduce downtime for maintenance.

5. **Wide Availability and Spare Parts Support**

- As a legacy product, it remains **easily replaceable** in older systems, and spare parts are still available through authorized distributors.

- Compatible with **Allen-Bradley panel builders and electrical contractors** who are familiar with the brand.

6. **Cost-Effective for Industrial Use**

- While not the cheapest option, its **long-term reliability** often justifies the cost compared to generic or lower-quality breakers that may fail prematurely.

7. **Standardized Voltage and Current Rating**

- **120V AC, 20A** rating is a common industrial standard, making it a versatile choice for general-purpose applications.

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### **Cons of buying a Allen-Bradley 1326AB-B420F-21-92**

1. **Potential Obsolescence**

- As an older model, it may **no longer be actively produced**, leading to **higher costs** for replacements or upgrades.

- Newer Allen-Bradley breakers (e.g., **1326 series with digital trip units**) offer advanced features like **remote monitoring**, which this model lacks.

2. **Limited Advanced Features**

- Lacks **smart trip technology, communication interfaces, or digital diagnostics** found in modern breakers.

- No **remote trip control** or **event logging**, which can be useful in automated systems.

3. **Higher Upfront Cost Compared to Generic Alternatives**

- While reliable, it is **more expensive** than equivalent breakers from non-branded manufacturers.

- If budget is a constraint, **generic NEMA 1 or 4X breakers** (e.g., from **Siemens, Square D, or Schneider**) may offer similar protection at a lower cost.

4. **Potential Stock Availability Issues**

- Since it is a **legacy part**, availability may vary depending on the distributor, leading to **longer lead times** in some cases.

- Some authorized distributors may **discontinue stock** over time, requiring pre-ordering.

5. **No Built-In Arc Fault Protection**

- Unlike newer models, this breaker does **not include arc fault detection**, which is a safety feature in modern electrical codes (e.g., **NFPA 70E**).

6. **Limited Customization Options**

- Unlike modular breakers, this is a **fixed-ampere rating (21A)**, meaning you cannot adjust the trip curve easily.

- No **instantaneous trip adjustment** for fine-tuning protection characteristics.

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### **Conclusion**

The **Allen-Bradley 1326AB-B420F-21-92** is a **reliable, high-quality circuit breaker** ideal for **industrial control panels** where **proven performance and compatibility** with Allen-Bradley systems are critical. Its **thermal and magnetic trip protection**, **standardized ratings**, and **long-term availability** make it a solid choice for **legacy systems or applications where brand consistency is important**.

However, if **cost efficiency, advanced features, or future-proofing** are priorities, newer **Allen-Bradley breakers with digital trip units** or **generic high-quality alternatives** may be more suitable. Additionally, if the application requires **arc fault protection or remote monitoring**, a more modern breaker should be considered.

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### **Recommendation**

- **Buy the 1326AB-B420F-21-92 if:**

- You are **maintaining an existing Allen-Bradley system** and need a **direct replacement**.

- **Cost of downtime for testing alternatives** is high, and reliability is the top priority.

- You are working in a **legacy industrial setup** where brand compatibility is essential.

- **Consider alternatives if:**

- You need **lower upfront costs** generic **NEMA 1 or 4X breakers** (e.g., **Siemens 3WT, Square D QP**) may suffice.

- You require **advanced features** like **remote monitoring, arc fault protection, or digital diagnostics** opt for **Allen-Bradley s newer breakers (e.g., 1326 with digital trip units)**.

- You are **upgrading a system** and want **future-proofing** evaluate **modular breakers with adjustable trip curves**.

For most **new installations or cost-sensitive projects**, a **high-quality generic breaker** or a **newer Allen-Bradley model** would be a better long-term investment. However, for **mission-critical legacy systems**, the **1326AB-B420F-21-92 remains a dependable choice**.

Details:

Free technical support during warranty period. Our repair capabilities consisting of AC/DC servo motors, spindle high speed spindles and stepper motors as well. > Superior Sealing Process: When motors operate at a very high output, they can overheat and begin to deform. It serves to protect against moisture entering a motor.

> Factory or Better Warranty: One year on most servo spindle motor and electronic items. GSS motors Superior Sealing Process is an Eight-step, moisture sealing process that reduces overheating and flexing. Any old motors. The GSS motors Superior Sealing proprietary process creates a moisture barrier that stands up to the harshest environments.

part #: 1326abb420f2192 price

  • $1495.00

specifications oelemot:

  • brand: Allen-bradley
  • mpn: 1326ab-b420f-21-92
  • model: Allen Bradley 1326ab-b420f-21-92
  • shaft type: Straight
  • ac phase: Three Phase
  • country of origin: United States

offer oelemot:

  • quantity: 1
  • started: March 13, 2026
  • best offers: True
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

general oelemot:

  • Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
  • condition: Seller refurbished

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  • time: 30 Days

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  • rating: 100.0%
  • city: South Elgin, Illinois
  • # reviews: 1006

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shaft type: straight, ac phase: three phase, country of origin: united states,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20903095115937721,
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  • Seller refurbished. Offer #1 priced at $1495.00 + $0.00 shipping estimate = $1495.00* total. ). When motors operate at a very high output, they can overheat and begin to deform.FREE SHIPPING

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