B&R 8MSA3X.E0-31 Synchronous Servo Motor – ACOPOS Series
When a servo axis loses its drive in the middle of a high-speed production cycle, the consequences cascade instantly — misaligned cuts, rejected batches, unplanned downtime, and costly maintenance windows that ripple across the entire line. In precision-driven industries, the servo motor is not a peripheral component; it is the heartbeat of motion control. Without a reliable, spec-matched replacement like the B&R 8MSA3X.E0-31, restoring full production capability can take days, not hours.
The 8MSA3X.E0-31 is a synchronous AC servo motor from B&R’s flagship ACOPOS series — one of the most widely deployed motion control platforms in European and global industrial automation. Designed to pair natively with B&R ACOPOS and ACOPOSmulti servo drives, this motor delivers the dynamic response, encoder precision, and thermal stability demanded by packaging machinery, printing presses, CNC systems, and robotic assembly lines. Its compact frame size (Size 3X) and optimized winding configuration (E0-31) make it a preferred choice for OEMs and system integrators who require consistent performance across multi-axis architectures.
Technical Specifications
- Part Number: 8MSA3X.E0-31
- Brand: B&R (Bernecker + Rainer)
- Series: ACOPOS / 8MS Synchronous Servomotor
- Motor Type: Permanent Magnet Synchronous AC Servo Motor
- Frame Size: Size 3X (compact flange)
- Winding Variant: E0-31
- Feedback System: Integrated encoder (resolver or EnDat compatible, per drive pairing)
- Protection Class: IP65 (shaft end IP54)
- Insulation Class: F (155°C)
- Cooling Method: Natural convection (IC410)
- Compatible Drives: B&R ACOPOS, ACOPOSmulti, ACOPOSmicro servo drive families
- Mounting: Flange mount (IEC standard)
- Weight: Approx. 100 g (refer to official B&R datasheet for confirmed value)
Note: Detailed electrical parameters (rated torque, speed, power) are available upon request or in the official B&R 8MS series datasheet. We do not publish unverified specifications.
Key Features & Benefits
- Native ACOPOS Integration: Plug-and-play compatibility with B&R servo drives — no third-party tuning required, reducing commissioning time significantly.
- High Dynamic Response: Low rotor inertia design enables rapid acceleration and deceleration, critical for high-cycle packaging and assembly applications.
- Precision Feedback: High-resolution encoder ensures sub-micron positioning repeatability across extended duty cycles.
- Robust Construction: IP65-rated housing withstands coolant splash, dust ingress, and industrial wash-down environments.
- Thermal Stability: Class F insulation and optimized winding geometry maintain performance under continuous high-load operation.
- Compact Footprint: Size 3X frame allows integration into space-constrained machine designs without sacrificing torque density.
- Long Service Life: Premium bearing selection and balanced rotor minimize vibration, extending MTBF in 24/7 production environments.
Industry & Equipment Applications
- Packaging Machinery: Form-fill-seal machines, cartoners, case packers requiring precise axis synchronization
- Printing & Converting: Web tension control, register mark tracking, rotary die cutting
- CNC Machine Tools: Feed axis drives on milling centers, lathes, and grinding machines
- Robotics & Handling: Articulated robot joints, SCARA arms, gantry systems
- Semiconductor & Electronics: Pick-and-place, wafer handling, PCB drilling
- Food & Beverage: Portioning, slicing, and filling lines with hygienic design requirements
- Textile Machinery: Winding, unwinding, and tension control axes
System Integration & Compatible Parts
The 8MSA3X.E0-31 is engineered for seamless integration within the B&R ACOPOS ecosystem. Commonly paired components include:
- Servo Drives: B&R 8V1010, 8V1022, 8V1045 (ACOPOS); 8BVI series (ACOPOSmulti)
- Motor Cables: B&R 8BCM series power cables; 8BCS series encoder cables
- Gearboxes: B&R 8GP planetary gearbox series (direct flange mount)
- Controllers: B&R X20 PLC series with Automation Studio motion libraries
- Brakes: Optional integrated holding brake variants available in the 8MS series
Contact our technical team to verify exact drive-motor pairing and cable specifications for your application.
Our Quality Assurance Process
- Source Verification: All B&R components are sourced from authorized distributors or verified surplus channels with full traceability documentation.
- Visual & Functional Inspection: Each unit undergoes physical inspection for connector integrity, shaft condition, encoder housing, and label authenticity.
- Authenticity Check: Serial numbers and date codes are cross-referenced against B&R manufacturer records where applicable.
- Secure Packaging: Anti-static packaging with shock-absorbing foam ensures safe transit for sensitive servo components.
- Documentation: Certificate of conformity and inspection report available upon request.
How to Order
- Submit an inquiry via the Contact Us form or email [email protected]
- Provide your required quantity, delivery timeline, and destination country
- Receive a formal quotation within 24 business hours
- Confirm order and complete payment via T/T, PayPal, or other agreed terms
- Shipment dispatched with tracking number and commercial invoice
For urgent requirements or large-volume orders, please call +0086 19859288691 directly.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: Focused exclusively on PLC, DCS, servo, and motion control components from leading global brands
- ✅ Global Shipping: Export experience to 50+ countries with DHL, FedEx, UPS, and sea freight options
- ✅ Fast Sourcing: Access to extensive inventory network for hard-to-find and obsolete parts
- ✅ Technical Support: Engineering team available to assist with compatibility verification and system integration
- ✅ Competitive Pricing: Direct sourcing relationships enable cost-effective pricing for MRO and project procurement
- ✅ Responsive Service: Dedicated account managers for B2B clients with volume requirements
Frequently Asked Questions
Q: Is the B&R 8MSA3X.E0-31 a new or refurbished unit?
A: We supply both new-in-box and professionally refurbished units depending on availability. Stock condition is clearly stated in the quotation. All units pass our quality inspection process regardless of condition.
Q: Which B&R servo drives are compatible with the 8MSA3X.E0-31?
A: This motor is designed for the B&R ACOPOS and ACOPOSmulti drive families. Specific drive compatibility depends on the winding variant and encoder type. Please contact us with your drive model number for confirmation.
Q: Can you provide the official B&R datasheet for this motor?
A: Yes. We can provide the B&R 8MS series technical datasheet upon request. Contact [email protected] with your inquiry.
Q: What is the lead time for the 8MSA3X.E0-31?
A: Lead time varies by stock availability. In-stock items typically ship within 3–5 business days. For sourced items, lead time is 2–4 weeks. We will confirm exact lead time in your quotation.
Q: Do you offer warranty on B&R servo motors?
A: Yes. New units carry the standard B&R manufacturer warranty. Refurbished units include a 90-day Konmask.com functional warranty. Terms are detailed in the sales agreement.
Q: Can I return the product if it doesn’t match my requirements?
A: We recommend verifying the part number and specifications before ordering. Returns are accepted within 7 days for unused items in original packaging. Please review our returns policy or contact us for details.
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Contact: [email protected] | +0086 19859288691
