Allen-Bradley 1326AB-B515E-21 AC Servo Motor – 1326AB Series
When a servo motor fails on a production line, the consequences are immediate and costly: conveyor systems halt, robotic arms freeze mid-cycle, CNC spindles lose synchronization, and entire manufacturing cells go dark. Every minute of unplanned downtime translates directly into lost output, missed delivery windows, and escalating maintenance costs. The Allen-Bradley 1326AB-B515E-21 servo motor exists precisely to prevent this scenario — engineered for continuous, high-precision motion control in the most demanding industrial environments where failure is simply not an option.
Within the Rockwell Automation 1326AB series, the 1326AB-B515E-21 occupies a mid-range power positioning that makes it one of the most versatile and widely deployed servo motors in global discrete manufacturing. Designed to pair natively with Allen-Bradley Ultra and 1391 series servo drives, this motor has earned its place as a backbone component in automotive assembly, packaging machinery, and precision machining applications across North America, Europe, and Asia-Pacific markets.
Technical Specifications
- Part Number: 1326AB-B515E-21
- Series: Allen-Bradley 1326AB
- Motor Type: AC Brushless Servo Motor
- Manufacturer: Rockwell Automation / Allen-Bradley
- Weight: 5.9 kg (13.0 lbs)
- Feedback Device: Encoder (as indicated by suffix -E)
- Mounting Style: Flange mount (NEMA / IEC compatible per suffix -21)
- Condition Available: New, Surplus New, Refurbished
Note: Full electrical specifications (voltage, current, torque, speed ratings) should be verified against the official Rockwell Automation 1326AB product datasheet or confirmed with our technical team prior to ordering.
Key Features & Benefits
- High Torque Density: Compact frame delivers substantial continuous and peak torque, enabling precise motion in space-constrained machine designs.
- Integrated Encoder Feedback: The -E suffix denotes a built-in encoder for closed-loop position and velocity control, ensuring repeatable accuracy across millions of cycles.
- Low Cogging & Smooth Rotation: Brushless AC design eliminates commutator wear and minimizes torque ripple, critical for smooth velocity profiles in packaging and printing applications.
- Robust Industrial Construction: IP-rated housing withstands coolant splash, dust ingress, and vibration typical of machine tool and assembly environments.
- Native Rockwell Ecosystem Compatibility: Engineered to integrate directly with Allen-Bradley servo drives, simplifying commissioning and reducing integration risk.
- Long Service Life: Brushless motor architecture and quality bearings support extended MTBF, reducing total cost of ownership.
Industry & Equipment Applications
- Automotive Manufacturing: Body welding fixtures, transfer lines, and robotic spot-welding cells requiring precise axis positioning.
- Packaging Machinery: Form-fill-seal machines, cartoners, and case packers demanding high-speed, synchronized multi-axis motion.
- CNC Machine Tools: Milling, turning, and grinding centers where spindle and feed axis accuracy directly impacts part quality.
- Material Handling: Automated storage and retrieval systems (AS/RS), palletizers, and conveyor indexing drives.
- Printing & Converting: Web tension control, register correction, and cut-to-length applications requiring sub-millimeter repeatability.
- Semiconductor & Electronics Assembly: Pick-and-place machines and wafer handling systems with ultra-smooth motion requirements.
System Integration & Compatible Parts
The 1326AB-B515E-21 is designed for seamless integration within the Rockwell Automation motion control ecosystem. Typical compatible components include:
- Servo Drives: Allen-Bradley 1391 Series, Ultra 100/200 Series servo drives
- Motion Controllers: Allen-Bradley ControlLogix (1756-M02AE, 1756-M08SE), CompactLogix motion modules
- Feedback Cables: 1326-CPF series encoder feedback cables (verify length and connector type)
- Power Cables: 1326-CPW series motor power cables
- Gearboxes: Compatible inline and right-angle planetary gearboxes for torque multiplication
Contact our technical team to confirm drive-motor pairing, cable specifications, and any required firmware compatibility before ordering.
Our Quality Assurance Process
At Konmask.com, every Allen-Bradley servo motor undergoes a structured inspection and verification process before shipment:
- Visual Inspection: Housing, shaft, connectors, and nameplate integrity checked against OEM specifications.
- Part Number Verification: Full model code decoded and cross-referenced to confirm correct series, feedback type, and mounting configuration.
- Functional Testing (where applicable): Refurbished units are bench-tested for encoder signal integrity and winding resistance.
- Secure Packaging: Anti-static and shock-absorbing packaging protects the motor during international freight.
- Documentation: Shipment includes packing list, inspection record, and available OEM documentation links.
How to Order
- Submit an Inquiry: Use the contact form or email support@konmask.com with your required quantity, delivery timeline, and destination country.
- Receive a Quote: Our team will respond within 1 business day with pricing, lead time, and shipping options.
- Confirm & Pay: Review the proforma invoice and confirm your order. We accept T/T bank transfer and other B2B payment methods.
- Shipment & Tracking: Your order is dispatched with full tracking. Typical international delivery: 5–15 business days depending on destination.
- After-Sales Support: Our technical team remains available post-delivery for integration questions and warranty claims.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, servo, and motion control components — not a generalist distributor.
- Global Sourcing Network: Access to new, surplus-new, and professionally refurbished Allen-Bradley inventory from verified supply channels.
- Technical Expertise: Our team includes engineers with hands-on experience in Rockwell Automation system integration.
- Fast Response: Inquiry-to-quote turnaround within 1 business day, with expedited options for urgent production needs.
- Secure International Shipping: Experienced in export documentation, customs compliance, and safe packaging for fragile industrial electronics.
- Transparent Communication: No hidden fees. Clear lead times, honest stock status, and proactive updates throughout your order.
Frequently Asked Questions
Q: Is the 1326AB-B515E-21 still in production by Rockwell Automation?
A: The 1326AB series has been discontinued by Rockwell Automation. However, Konmask.com maintains access to surplus-new and professionally refurbished stock to support legacy machine maintenance and replacement needs.
Q: What does the model suffix “-B515E-21” mean?
A: The suffix encodes key configuration details: frame size and winding code (B515), feedback type E (encoder), and mounting/option code 21. Contact us to decode the full specification for your application.
Q: Can this motor be used as a direct replacement for a failed unit on my machine?
A: In most cases, yes — provided the drive, feedback cable, and power cable are compatible. We recommend sharing your existing motor nameplate data and drive model with our team for confirmation before ordering.
Q: Do you provide a warranty on this servo motor?
A: Yes. Warranty terms vary by unit condition (new, surplus-new, or refurbished). Please request warranty details when submitting your inquiry.
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 unit. We serve both single-unit replacement needs and bulk procurement for OEM and system integrator customers.
Q: How do I confirm compatibility with my existing Allen-Bradley servo drive?
A: Share your drive model number and existing motor part number with our technical team. We will verify compatibility and recommend any required cables or adapters.
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