Allen-Bradley MPL-B330P-SJ24AA – Rotary Servo Motor | Kinetix Low-Inertia Series
Engineering Background
The Allen-Bradley MPL-B330P-SJ24AA is a member of Rockwell Automation’s MPL (Medium Power Low-Inertia) servo motor family, engineered for integration with Kinetix servo drives. Designed to deliver high dynamic response and precise torque control, this motor is a proven solution in demanding motion-control architectures across discrete manufacturing, packaging, and process automation sectors.
Product Positioning
Targeting applications that require compact form factor, high shaft stiffness, and seamless Kinetix drive compatibility, the MPL-B330P-SJ24AA occupies the mid-range power class within the MPL series. It is the preferred choice for OEM machine builders and system integrators who demand deterministic motion performance without over-engineering the drive train.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Part Number | MPL-B330P-SJ24AA |
| Series | MPL – Medium Power Low-Inertia |
| Frame Size | B (63 mm) |
| Continuous Stall Torque | ~1.27 N·m |
| Peak Torque | ~3.82 N·m |
| Rated Speed | 3,000 RPM |
| Maximum Speed | 5,000 RPM |
| Feedback Device | High-resolution multi-turn absolute encoder |
| Voltage Class | 230/460 VAC (drive-dependent) |
| Brake Option | Integrated holding brake (24 VDC) |
| Shaft Seal | IP65 shaft end |
| Connector Style | SpeedTec DIN (SJ24AA suffix) |
| Insulation Class | Class F |
| Ambient Temperature | 0 °C to +40 °C (operating) |
| Weight | ~5.5 kg |
| Compatible Drives | Kinetix 300, 350, 5500, 5700, 6000, 6200, 6500 |
| Certifications | CE, UL, cUL |
Note: Specifications are reference values. Always verify against the official Rockwell Automation product datasheet for your specific application.
Proven Application Environments
- Packaging Machinery – High-speed pick-and-place, form-fill-seal, and cartoning lines requiring precise indexing.
- Semiconductor & Electronics Assembly – SMT placement, wafer handling, and precision dispensing systems.
- CNC & Machine Tool – Axis drives on milling centers, lathes, and grinding machines where low inertia reduces settling time.
- Conveyor & Material Handling – Synchronised multi-axis transport systems with tight position tolerances.
- Robotics & Gantry Systems – Articulated arm joints and linear gantry axes in collaborative automation cells.
- Printing & Converting – Register control and tension management on web-fed presses.
Engineering Advantages
- Low Rotor Inertia – Enables rapid acceleration/deceleration cycles, reducing cycle time and energy consumption.
- SpeedTec DIN Connector (SJ24AA) – Quarter-turn locking mechanism eliminates connector vibration loosening; rated for 250+ mating cycles.
- Integrated 24 VDC Holding Brake – Maintains load position during E-stop or power-off without external brake hardware.
- High-Resolution Absolute Encoder – Multi-turn absolute feedback eliminates homing routines after power cycle, reducing machine downtime.
- Kinetix Ecosystem Native – Plug-and-play motor data file (MDF) recognition in Studio 5000 Logix Designer; no manual parameter entry required.
- IP65 Shaft Seal – Protects against coolant splash and fine particulate ingress in machine tool environments.
System Architecture & Signal Flow
- Controller (PLC/PAC) – Allen-Bradley ControlLogix or CompactLogix issues motion commands via EtherNet/IP to the Kinetix drive.
- Kinetix Servo Drive – Receives position/velocity/torque commands; outputs PWM voltage to motor power windings.
- MPL-B330P-SJ24AA Motor – Converts electrical energy to mechanical torque; encoder feeds back real-time position data.
- Feedback Loop – High-resolution encoder data returns to the drive at the servo update rate (typically 4 kHz), closing the position and velocity loops.
- Safety Integration – Safe Torque Off (STO) signal path through the drive connector ensures IEC 62061 SIL 2 / PLd compliance when paired with a compatible safety relay.
Sourcing & Quality Verification
- Source: Verified surplus and authorized distribution channels; no grey-market or counterfeit risk.
- Inspection Protocol: Each unit undergoes visual inspection, nameplate verification, connector integrity check, and encoder continuity test prior to shipment.
- Traceability: Original Rockwell Automation date codes and serial numbers preserved; full documentation available on request.
- Warranty: 90-day functional warranty against defects in materials and workmanship.
- Packaging: Anti-static foam-lined carton with shaft-end protection cap; moisture-barrier bag for long-haul freight.
Procurement Process
- Submit Inquiry – Email support@konmask.com or call +0086 19859288691 with your part number and required quantity.
- Receive Quote – Pricing, lead time, and stock confirmation returned within 1 business day.
- Order Confirmation – Purchase order accepted via email; proforma invoice issued for prepayment or net terms (qualified accounts).
- Quality Inspection & Dispatch – Unit inspected, photographed, and shipped via DHL / FedEx / SF Express with tracking number provided.
- After-Sales Support – Technical assistance available for drive commissioning, parameter configuration, and compatibility verification.
Technical FAQ
Q: Which Kinetix drives are compatible with the MPL-B330P-SJ24AA?
A: Compatible with Kinetix 300, 350, 5500, 5700, 6000, 6200, and 6500 series drives. Always cross-reference the Kinetix Motion Accelerator Toolkit (MAT) for axis sizing confirmation.
Q: What does the “SJ24AA” suffix indicate?
A: “S” = SpeedTec DIN connector; “J” = standard shaft (no keyway); “24” = 24 VDC brake voltage; “AA” = standard cable exit orientation.
Q: Can this motor be used with non-Rockwell drives?
A: Technically possible with third-party drives supporting the encoder protocol, but not certified or supported by Rockwell Automation. Contact our engineering team for guidance.
Q: Is a motor data file (MDF) available?
A: Yes. The MDF is included in the Rockwell Automation Motor Database within Studio 5000 Logix Designer. No manual entry required for standard Kinetix commissioning.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. Out-of-stock lead time is typically 5–15 business days depending on sourcing channel.
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