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Allen-Bradley 1326AB-B420H-21-K4 Torque Plus AC Servo Motor for industrial automation

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Allen-Bradley 1326AB-B420H-21-K4

by Allen-Bradley

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OverviewAttain exceptional control and resilient operation across diverse industrial settings with the Allen-Bradley 1326AB-B420H-21-K4 AC Servo Motor. Engineered for dynamic movement, this advanced servo motor offers outstanding command and dependability. It includes an integrated 8.1 Nm (72 in-lb) holding brake, ensuring precise positioning for crucial tasks, especially in vertical applications or where safety is paramount. Operating at 460V, it provides a continuous torque of 5.1 Nm and reaches impressive speeds up to 6000 RPM, guaranteeing consistent and accurate motion control for various demanding operations. Its three-phase sinusoidal wound stator ensures accurate and efficient performance, making it an excellent choice for modern automation needs. Designed for endurance, the 1326AB-B420H-21-K4 features a robust IP65-rated, TENV (Totally Enclosed Non-Ventilated) housing. This superior protection shields the motor from dust particles and low-pressure water streams, making it perfectly suited for challenging industrial environments where reliability is essential. Whether upgrading current systems or developing new automated solutions, this Allen-Bradley servo motor represents cutting-edge engineering and lasting performance.Key Features High-Performance Structure: Delivers exceptional power and responsiveness for demanding motion control tasks. Integrated Holding Brake: Features an 8.1 Nm (72 in-lb) holding brake for secure operations, crucial for vertical axes and safety-critical functions. Precise Speed and Torque: Achieves a 6000 RPM rated speed and 5.1 Nm continuous torque for exact control. Rugged IP65 Enclosure: Provides superior defense against dust and water, ensuring dependable function in harsh industrial conditions. Efficient Three-Phase Winding: Guarantees smooth and precise motion, reducing oscillations. Compact and Durable Design: Built for industrial longevity with a space-saving footprint. Technical Specifications Model: 1326AB-B420H-21-K4 Brand: Allen-Bradley Motor Type: AC Servo Motor Voltage Rating: 460V AC Continuous Stall Torque: 4.75 Nm (42 lb-in) Rated Speed: 6000 RPM Max Continuous Output Power: 1.74 kW / 2.08 kW Continuous RMS Amperes: 5.6 A Brake Torque: 8.1 Nm (72 in-lb) Brake Voltage: 24V DC Brake Coil Resistance: 27.3 Ohm Winding Type: Three-phase sinusoidal Enclosure Rating: IP65, TENV (Totally Enclosed Non-Ventilated) Compatible Servo Drives: Kinetix 6000 Servo Drives, Ultra3000 Digital Servo Drives Compatible Motion Control Systems: Allen-Bradley 1394 Motion Control Systems Applications Vertical Axis Machinery: Ideal for lifting, hoisting, and other vertical tasks requiring a dependable holding brake. Robotics and Precision Automation: Ensures accurate movement and positioning in intricate robotic assemblies. Web Processing Systems: Offers precise tension control and speed synchronization in printing, converting, and material handling. Industrial Positioning Systems: Guarantees repeatable and precise positioning for assembly lines and manufacturing processes. High-Speed Packaging Lines: Provides rapid and precise motion for efficient packaging and material handling. Machine Tooling: Supports high-accuracy and high-speed operations in milling, turning, and grinding applications. Why Choose Exceptional Performance: Experience industry-leading accuracy and dynamic responsiveness for your most demanding operations. Enhanced Safety: The integrated holding brake adds an extra layer of safety and control, particularly in critical applications. Robust Durability: With an IP65-rated enclosure, this motor is constructed to endure harsh industrial environments, ensuring long-term reliability. Seamless Integration: Compatible with premier Allen-Bradley servo drives and motion control systems, simplifying setup and operation. Global Availability: In stock and ready for expedited worldwide delivery, minimizing downtime for your projects. Order NowPlace your order today for the Allen-Bradley 1326AB-B420H-21-K4 AC Servo Motor and enhance your industrial automation systems with leading-edge performance and reliability. Contact us for competitive pricing and delivery options.FAQWhat is the primary power requirement for the 1326AB-B420H-21-K4 motor?The motor operates at a voltage rating of 460V AC.What is the continuous torque output of this servo motor?It provides a continuous torque of 5.1 Nm.Does this motor feature an integrated brake?Yes, it includes an integrated holding brake with a torque of 8.1 Nm (72 in-lb).What is the maximum rated speed of the 1326AB-B420H-21-K4?The motor can achieve a rated speed of 6000 RPM.What kind of environmental protection does this motor offer?It has an IP65, TENV (Totally Enclosed Non-Ventilated) enclosure, providing excellent protection against dust and water.

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PRODUCT DETAILS

Allen-Bradley 1326AB-B420H-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-B420H-21-K4
  • Brand: Allen-Bradley
  • Motor Type: AC Servo Motor
  • Voltage Rating: 460V AC
  • Continuous Stall Torque: 4.75 Nm (42 lb-in)
  • Rated Speed: 6000 RPM
  • Max Continuous Output Power: 1.74 kW / 2.08 kW
  • Continuous RMS Amperes: 5.6 A
  • Brake Torque: 8.1 Nm (72 in-lb)
  • Brake Voltage: 24V DC
  • Brake Coil Resistance: 27.3 Ohm
  • Winding Type: Three-phase sinusoidal
  • Enclosure Rating: IP65, TENV (Totally Enclosed Non-Ventilated)
  • Compatible Servo Drives: Kinetix 6000 Servo Drives, Ultra3000 Digital Servo Drives
  • Compatible Motion Control Systems: Allen-Bradley 1394 Motion Control Systems

Applications

  • Vertical Axis Machinery: Ideal for lifting, hoisting, and other vertical tasks requiring a dependable holding brake.
  • Robotics and Precision Automation: Ensures accurate movement and positioning in intricate robotic assemblies.
  • Web Processing Systems: Offers precise tension control and speed synchronization in printing, converting, and material handling.
  • Industrial Positioning Systems: Guarantees repeatable and precise positioning for assembly lines and manufacturing processes.
  • High-Speed Packaging Lines: Provides rapid and precise motion for efficient packaging and material handling.
  • Machine Tooling: Supports high-accuracy and high-speed operations in milling, turning, and grinding applications.

Why Choose the 1326AB-B420H-21-K4?

  • Exceptional Performance: Experience industry-leading accuracy and dynamic responsiveness for your most demanding operations.
  • Enhanced Safety: The integrated holding brake adds an extra layer of safety and control, particularly in critical applications.
  • Robust Durability: With an IP65-rated enclosure, this motor is constructed to endure harsh industrial environments, ensuring long-term reliability.
  • Seamless Integration: Compatible with premier Allen-Bradley servo drives and motion control systems, simplifying setup and operation.
  • Global Availability: In stock and ready for expedited worldwide delivery, minimizing downtime for your projects.

Availability & Shipping

  • In stock: 1326AB-B420H-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-B420H-21-K4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The motor operates at a voltage rating of 460V AC.

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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