1326AB-B720E-21-L | Allen-Bradley Motor Servo 460V 30.9NM 3500RPM IP67
1326AB-B720E-21-L | Allen-Bradley Motor Servo 460V 30.9NM 3500RPM IP67
1326AB-B720E-21-L | Allen-Bradley Motor Servo 460V 30.9NM 3500RPM IP67
    1326AB-B720E-21-L | Allen-Bradley Motor Servo 460V 30.9NM 3500RPM IP67
1326AB-B720E-21-L | Allen-Bradley Motor Servo 460V 30.9NM 3500RPM IP67

1326AB-B720E-21-L | Allen-Bradley Motor Servo 460V 30.9NM 3500RPM IP67

Part #: 1326AB-B720E-21-L Manufactured by: Allen-Bradley
Regular price
$3,125.00
Sale price
$3,125.00
Regular price
1 in Stock
Condition: New – Open box
Shipping calculated at checkout.
Product Overview
This Ferrite AC Servo Motor(460V/380V AC) comes with a 194 mm frame diameter (215 mm bolt center and a 2 in. magnet stack ...  Read more
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Warranty for Product #: 1326AB-B720E-21-L
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Product Description P/N: 1326AB-B720E-21-L

Description / Specifications

Description 

The Allen-Bradley 1326AB-B720E-21-L is a low-inertia permanent magnet AC servo motor designed for high-response industrial motion applications. Operating at 3500 RPM with a 460 VAC supply, it delivers 30.9 N·m of torque with stable, precise performance. The motor’s compact construction, resolver feedback, and IP67 environmental protection support dependable operation in demanding automation environments.

 

 

Technical Specifications

Condition New/Never Used Surplus
Brand Allen-Bradley
Category Motion Control / Servo Motors
Part Number 1326AB-B720E-21-L
Subcategory Ferrite AC Servo Motor
Manufacturer Rockwell Automation
Voltage 460 VAC / 380 VAC
Rated Speed 3500 RPM (460 V), 3000 RPM (380 V)
Continuous Torque 30.9 N·m
Peak Torque 88.1 N·m
Frame Diameter 194 mm
Bolt Center Diameter 215 mm
Motor Length 2 in (compact design)
Feedback Type Resolver
Environmental Rating IP67 (motor only)
Flange/Shaft Type IEC metric flange with keyway
Rotor Inertia 0.015 kg·m²
Power Rating 6.8 kW
Stall Current 17.5 A
Mounting Orientation Vertical mount, shaft up or down
Compatibility Allen-Bradley 1394 motion system
Construction Aluminum enclosure with sealed shaft

  

 

Information About 1326AB-B720E-21-L

The 1326AB-B720E-21-L is part of the Allen-Bradley Bulletin 1326 Torque Plus servo motor family, engineered for high-performance motion control systems. It features a low-inertia rotor design constructed to improve acceleration and servo responsiveness, supported by ferrite permanent magnets that enhance dynamic performance. The motor integrates with Rockwell Automation’s 1394 motion control platform and uses resolver-based feedback for accurate position and velocity monitoring. Typical applications include automated machinery, multi-axis systems, and precision positioning tasks requiring strong torque output, stable speed control, and robust IP67-rated protection.

Key Features:

  • Low-inertia design: Enhances servo responsiveness with reduced rotor mass.
  • 460 VAC operation: Supports 3500 RPM rated speed with stable performance.
  • High torque output: Provides 30.9 N·m continuous torque and 88.1 N·m peak torque.
  • IP67 environmental rating: Protects against dust ingress and water exposure.
  • Resolver feedback system: Ensures accurate motion control and monitoring.
  • IEC metric flange: Supports flexible vertical mounting with keyed shaft.
  • Compact motor length: Reduces footprint without compromising torque capability.
  • Compatible motion system: Works with Allen-Bradley 1394 servo control modules.

The 1326AB-B720E-21-L delivers the reliability and precision required for advanced industrial motion control systems.

 

Frequently Asked Questions about 1326AB-B720E-21-L
Question: What is this servo motor used for?
Date Update:19/06/2025
Answer:

The 1326AB-B720E-21-L is designed for demanding industrial applications where rapid, precise motion control is required. It is particularly useful in robotics, packaging, and high-speed manufacturing systems. With low inertia and high torque output, it responds quickly to changes in motion commands. It is also compatible with the Allen-Bradley 1394 motion control system, making it easy to integrate into existing automation environments.

Question: What are the environmental and operational limits?
Date Update:19/06/2025
Answer:

The motor is built to withstand tough operating conditions:

  • Ambient temperature: 0–50 °C
  • Relative humidity: 5–95%, non-condensing
  • IP67 protection (without accessories)
  • Vibration: up to 1G operating
  • Shock: up to 15G operating

These features ensure consistent operation in industrial environments with mechanical and thermal stress.

Question: What voltage and speed ratings does it support?
Date Update:19/06/2025
Answer:

This servo motor supports both 460V and 380V AC operation. At 460V, it runs at 3500 RPM, and at 380V, it delivers 3000 RPM. These flexible ratings allow for integration into various global power systems. The high-speed capability enhances cycle times and supports dynamic load requirements in motion applications.

Question: Can the motor be installed vertically?
Date Update:19/06/2025
Answer:

Yes, the 1326AB-B720E-21-L is designed for vertical installation with the shaft either up or down. Its IEC metric flange and keyway ensure a secure and accurate mechanical fit in different configurations. This makes it ideal for systems with vertical layouts or space constraints. The flexibility in orientation helps simplify mechanical design.

Question: Is the enclosure protected against harsh environments?
Date Update:19/06/2025
Answer:

The motor is IP67-rated, meaning it is completely dust-tight and protected against water immersion. This makes it suitable for use in washdown areas or applications where exposure to fluids is possible. However, its protection is compromised if accessories like junction boxes or blowers are added. In such cases, additional sealing may be necessary.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1326AB-B720E-21-L is a low-inertia permanent magnet AC servo motor designed for high-response industrial motion applications. Operating at 3500 RPM with a 460 VAC supply, it delivers 30.9 N·m of torque with stable, precise performance. The motor’s compact construction, resolver feedback, and IP67 environmental protection support dependable operation in demanding automation environments.

 

 

Technical Specifications

Condition New/Never Used Surplus
Brand Allen-Bradley
Category Motion Control / Servo Motors
Part Number 1326AB-B720E-21-L
Subcategory Ferrite AC Servo Motor
Manufacturer Rockwell Automation
Voltage 460 VAC / 380 VAC
Rated Speed 3500 RPM (460 V), 3000 RPM (380 V)
Continuous Torque 30.9 N·m
Peak Torque 88.1 N·m
Frame Diameter 194 mm
Bolt Center Diameter 215 mm
Motor Length 2 in (compact design)
Feedback Type Resolver
Environmental Rating IP67 (motor only)
Flange/Shaft Type IEC metric flange with keyway
Rotor Inertia 0.015 kg·m²
Power Rating 6.8 kW
Stall Current 17.5 A
Mounting Orientation Vertical mount, shaft up or down
Compatibility Allen-Bradley 1394 motion system
Construction Aluminum enclosure with sealed shaft

  

 

Information About 1326AB-B720E-21-L

The 1326AB-B720E-21-L is part of the Allen-Bradley Bulletin 1326 Torque Plus servo motor family, engineered for high-performance motion control systems. It features a low-inertia rotor design constructed to improve acceleration and servo responsiveness, supported by ferrite permanent magnets that enhance dynamic performance. The motor integrates with Rockwell Automation’s 1394 motion control platform and uses resolver-based feedback for accurate position and velocity monitoring. Typical applications include automated machinery, multi-axis systems, and precision positioning tasks requiring strong torque output, stable speed control, and robust IP67-rated protection.

Key Features:

  • Low-inertia design: Enhances servo responsiveness with reduced rotor mass.
  • 460 VAC operation: Supports 3500 RPM rated speed with stable performance.
  • High torque output: Provides 30.9 N·m continuous torque and 88.1 N·m peak torque.
  • IP67 environmental rating: Protects against dust ingress and water exposure.
  • Resolver feedback system: Ensures accurate motion control and monitoring.
  • IEC metric flange: Supports flexible vertical mounting with keyed shaft.
  • Compact motor length: Reduces footprint without compromising torque capability.
  • Compatible motion system: Works with Allen-Bradley 1394 servo control modules.

The 1326AB-B720E-21-L delivers the reliability and precision required for advanced industrial motion control systems.

 

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