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Allen-Bradley 1326AB-B420E-21-K4 AC Servo Motor

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Allen-Bradley 1326AB-B420E-21-K4

by Allen-Bradley

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OverviewThe Allen-Bradley 1326AB-B420E-21-K4 is an advanced AC servo motor, meticulously engineered to fulfill the stringent requirements of contemporary industrial motion control. This robust device operates flawlessly with 460V AC power, making it highly adaptable across various industrial electrical setups. It delivers a substantial continuous stall torque of 5.0 Nm at 3000 RPM, guaranteeing potent and consistent operation even under sustained loads. A key attribute of this model is its integrated holding brake, which offers critical secure load retention when power is disengaged, thereby boosting safety and operational dependability in active environments. Crafted for accuracy and resilience, the 1326AB-B420E-21-K4 serves as an optimal solution for systems demanding exacting control and dependable performance.Key Features Optimal Voltage Operation: Engineered for 460V AC, 3-phase power, ensuring compatibility with standard industrial configurations. High-Speed Performance: Attains a rated speed of 3000 RPM for swift and efficient operations. Robust Torque Output: Provides a continuous stall torque of 5.0 Nm, offering ample power for rigorous applications. Integrated Holding Brake: Includes a built-in brake for secure load holding, vital for safety and precise positioning. Standard Industrial Mounting: Flange-mount design facilitates simple integration into existing machinery. Durable B420 Series Frame: Part of the acclaimed B420 series, ensuring a compact yet sturdy construction. Convection Cooling: Efficiently disperses heat through convection, contributing to a prolonged operational lifespan. Technical Specifications Model: 1326AB-B420E-21-K4 Voltage Rating: 460V AC, 3-phase Rated Speed: 3000 RPM Continuous Stall Torque: 5.0 Nm Holding Brake: Yes, integrated Brake Voltage: 24V DC Torque (Brake): Sized for load-holding at rated torque, ensuring stable static positioning. Cooling Method: Convection-cooled, for reliable thermal management without external fans under typical operating conditions. Construction: Features a durable, industrial-grade housing built to withstand demanding surroundings and provide long-term durability. Enclosure Protection: Industrial-grade (specific IP rating to be confirmed in datasheet), offering resistance against dust and moisture. Mounting: Standard flange-mount configuration for flexible installation. Frame Size: B420 series, balancing power and a compact design. Applications Vertical Axis Load Holding: Essential for scenarios where gravity impacts a load, preventing unintended movement during power loss. Advanced Packaging Machinery: Provides precise motion for automated sorting, sealing, and conveying systems. Efficient Material Handling Systems: Boosts the accuracy and speed of robotic arms, conveyors, and assembly lines. Automated Production Lines: Crucial for accurate control in manufacturing processes, from assembly to quality examination. Robotics and Automation: Ideal for joints and actuators requiring high torque and precise movement. Textile Manufacturing Equipment: Ensures seamless and accurate operation in weaving and spinning machines. Why ChooseUnmatched Precision and Control: The combination of high torque and speed, alongside the integrated brake, guarantees unparalleled accuracy in motion control tasks, minimizing errors and enhancing product quality. Enhanced Safety Features: The integrated holding brake is a critical safety component, preventing accidental movement of loads when the system is de-energized, thus protecting personnel and equipment. Robust and Reliable Performance: Manufactured by Allen-Bradley, a leader in industrial automation, this servo motor is engineered for continuous duty in demanding settings, promising enduring reliability and minimal interruptions. Optimized for Industrial Use: Operating at 460V AC, this motor is well-suited for a wide range of industrial power infrastructures globally, allowing for seamless integration.Order NowReady to enhance your industrial operations with the Allen-Bradley 1326AB-B420E-21-K4 AC Servo Motor? Contact Palm Parts Solution today to receive a personalized quote and discuss your specific application needs. Our experts are here to provide comprehensive support and ensure you get the right solution for your business.FAQWhat is the continuous stall torque of the 1326AB-B420E-21-K4?The 1326AB-B420E-21-K4 provides a continuous stall torque of 5.0 Nm.Does this servo motor include a holding brake?Yes, it features an integrated holding brake for secure load holding and enhanced safety.What is the rated speed of this Allen-Bradley servo motor?This model achieves a rated speed of 3000 RPM.What voltage does the 1326AB-B420E-21-K4 operate on?It is designed for operation with 460V AC, 3-phase power.What kind of cooling method does this motor use?The 1326AB-B420E-21-K4 employs convection cooling for efficient heat dissipation.

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PRODUCT DETAILS

Allen-Bradley 1326AB-B420E-21-K4

Overview

This is a genuine Allen-Bradley component from the Allen-Bradley Servo Motors family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside Allen-Bradley Servo Motors installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the Allen-Bradley Servo Motors family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1326AB-B420E-21-K4
  • Voltage Rating: 460V AC, 3-phase
  • Rated Speed: 3000 RPM
  • Continuous Stall Torque: 5.0 Nm
  • Holding Brake: Yes, integrated
  • Brake Voltage: 24V DC
  • Torque (Brake): Sized for load-holding at rated torque, ensuring stable static positioning.
  • Cooling Method: Convection-cooled, for reliable thermal management without external fans under typical operating conditions.
  • Construction: Features a durable, industrial-grade housing built to withstand demanding surroundings and provide long-term durability.
  • Enclosure Protection: Industrial-grade (specific IP rating to be confirmed in datasheet), offering resistance against dust and moisture.
  • Mounting: Standard flange-mount configuration for flexible installation.
  • Frame Size: B420 series, balancing power and a compact design.

Applications

  • Vertical Axis Load Holding: Essential for scenarios where gravity impacts a load, preventing unintended movement during power loss.
  • Advanced Packaging Machinery: Provides precise motion for automated sorting, sealing, and conveying systems.
  • Efficient Material Handling Systems: Boosts the accuracy and speed of robotic arms, conveyors, and assembly lines.
  • Automated Production Lines: Crucial for accurate control in manufacturing processes, from assembly to quality examination.
  • Robotics and Automation: Ideal for joints and actuators requiring high torque and precise movement.
  • Textile Manufacturing Equipment: Ensures seamless and accurate operation in weaving and spinning machines.

Why Choose the 1326AB-B420E-21-K4?

Unmatched Precision and Control: The combination of high torque and speed, alongside the integrated brake, guarantees unparalleled accuracy in motion control tasks, minimizing errors and enhancing product quality. Enhanced Safety Features: The integrated holding brake is a critical safety component, preventing accidental movement of loads when the system is de-energized, thus protecting personnel and equipment. Robust and Reliable Performance: Manufactured by Allen-Bradley, a leader in industrial automation, this servo motor is engineered for continuous duty in demanding settings, promising enduring reliability and minimal interruptions. Optimized for Industrial Use: Operating at 460V AC, this motor is well-suited for a wide range of industrial power infrastructures globally, allowing for seamless integration.

Availability & Shipping

  • In stock: 1326AB-B420E-21-K4 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1326AB-B420E-21-K4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1326AB-B420E-21-K4 provides a continuous stall torque of 5.0 Nm.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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