ABB 3HNA024871-001ACU-01B Replacement for IRB Series
3HNA024871-001ACU-01BABB 3HNA024871-001ACU-01B robot axis gearbox replacement & upgrade for IRB series. Drop-in compatible, 12-month warranty, fast global shipping from TOPNLMS.
Request availability, condition, lead time and export shipping details for 3HAC030215-003.
Send this exact part number, quantity and destination country. TOPNLMS will confirm availability, condition and export lead time before quotation.
When your ABB IRB 6600, IRB 6650, or IRB 7600 robot experiences axis drive failure or scheduled maintenance requiring motor replacement, the ABB 3HAC030215-003 Motor with Pinion is the direct, drop-in solution engineered for smooth system continuity. Whether you are retiring a worn-out original unit, responding to an unplanned breakdown, or executing a planned modernization of aging robot infrastructure, this motor assembly is designed to restore full axis performance with minimal engineering intervention.
The 3HAC030215-003 is the factory-designated axis drive motor for the IRB 6600 and IRB 6650 series — ABB’s high-payload industrial robots widely deployed in automotive body-in-white welding, press tending, foundry handling, and heavy-duty palletizing. It is also cross-compatible with select axis configurations on the IRB 7600, ABB’s largest standard industrial robot platform. Cross-reference part numbers include 3HAC055442-001 and 3C1998, which may appear in legacy maintenance records, OEM documentation, or third-party procurement systems.
This replacement motor ships pre-assembled with the integrated pinion gear, eliminating the need for separate gear sourcing or precision press-fitting on-site. The pinion interface is machined to OEM tolerances, ensuring correct mesh engagement with the axis gearbox — a critical factor in preventing premature wear and maintaining repeatability specifications after reinstallation.
| Parameter | Original / Legacy Unit | 3HAC030215-003 Replacement |
|---|---|---|
| Compatible Robot Models | IRB 6600, IRB 6650, IRB 7600 (select axes) | IRB 6600, IRB 6650, IRB 7600 (select axes) |
| Cross-Reference SKUs | 3HAC055442-001, 3C1998 | 3HAC030215-003 (primary OEM reference) |
| Motor Type | AC Servo Motor with Pinion | AC Servo Motor with Pinion (OEM-equivalent) |
| Pinion Assembly | Integrated (factory-pressed) | Integrated — no field assembly required |
| Mounting Interface | OEM flange pattern | Direct bolt-on — no adapter plate required |
| Encoder / Feedback | ABB resolver / encoder (axis-specific) | Compatible with ABB IRC5 / S4C+ drive systems |
| Drive Controller Compatibility | ABB IRC5, S4C+ | ABB IRC5, S4C+ — no drive parameter changes required |
| Wiring / Connector | OEM motor cable connector | Identical connector pinout — reuse existing harness |
| Installation Space | Standard IRB 6600/6650/7600 axis bay | Same envelope — no mechanical modification needed |
| Warranty | OEM warranty (expired on legacy units) | 12-Month Warranty from TOPNLMS |
| Replacement Recommendation | Discontinue legacy / worn unit | Direct swap — restore axis to full specification |
A successful axis motor replacement on the IRB 6600 or IRB 6650 rarely involves the motor alone. In practice, field engineers conducting a planned retrofit or emergency repair will simultaneously inspect and often replace several adjacent components to ensure system integrity and avoid repeat downtime.
The ABB DSQC 661 and DSQC 679 teach pendant and main computer boards within the IRC5 controller cabinet are frequently evaluated during major axis work, particularly when the motor failure was preceded by drive fault codes or communication errors on the FlexPendant. If the IRC5 drive module — specifically the DSQC 601 or DSQC 602 axis computer — has logged persistent overcurrent or encoder loss faults, replacement of the drive card in parallel with the motor is standard practice to prevent recurrence.
On the mechanical side, the axis gearbox oil seal and the ABB 3HAC028357-001 gearbox assembly should be inspected whenever the motor is removed. If the pinion shows abnormal wear patterns, the gearbox input stage may also require service. Technicians working on IRB 6650 installations in foundry or press environments frequently replace the 3HAC020890-001 axis 1 motor in the same maintenance window, since thermal cycling and vibration loads affect multiple axes simultaneously.
For wiring integrity, the ABB 3HAC031683-001 motor cable assembly — the signal and power harness connecting the axis motor to the IRC5 drive cabinet — should be continuity-tested before reuse. In high-cycle applications, connector fatigue at the motor junction is a common secondary failure mode. Replacing the harness during the motor swap eliminates this risk without significant additional labor.
If your facility is also upgrading the robot controller from an older S4C+ cabinet to the IRC5 platform, the ABB DSQC 503 I/O module and DSQC 328A digital I/O board are typically part of the migration bill of materials. These modules handle the discrete I/O signals that interface with your PLC — whether a Siemens S7-300, Allen-Bradley ControlLogix, or Mitsubishi Q-series — via PROFIBUS-DP or DeviceNet, depending on your plant communication architecture. Ensuring the I/O module firmware is current before commissioning the new motor prevents axis initialization errors during the first power-on sequence.
For facilities running ABB robots integrated with a Siemens S7-400 or S7-1500 PLC via PROFINET, the robot’s DSQC 688 PROFINET device adapter should be verified for firmware compatibility with the updated axis configuration after motor replacement. Similarly, installations using EtherNet/IP with Allen-Bradley PLCs should confirm the DSQC 1000 main computer’s network settings are preserved through the maintenance cycle.
Q: Do I need to re-calibrate the robot after replacing the 3HAC030215-003 motor?
A: Yes. After any axis motor replacement on the IRB 6600/6650/7600, a full axis calibration using the ABB CalibWare or fine calibration routine via the FlexPendant is required. The resolver or encoder zero position must be re-established to restore TCP accuracy. This is standard procedure and does not require ABB service intervention if your team holds IRC5 programming certification.
Q: Can I reuse the existing motor cable and connector?
A: In most cases, yes. The 3HAC030215-003 uses the same connector pinout as the original unit. Inspect the cable for insulation damage, connector pin corrosion, and shield continuity before reuse. In high-cycle or harsh environments, proactive harness replacement is recommended.
Q: Is the pinion pre-installed and torqued to specification?
A: Yes. The pinion is factory-assembled and torqued to OEM specification. No field pressing or torque verification is required prior to installation. Confirm pinion mesh alignment with the gearbox input stage during installation using the ABB maintenance manual procedure for your specific axis.
Q: Will this motor work with both IRC5 and S4C+ drive systems?
A: The 3HAC030215-003 is compatible with both IRC5 and S4C+ drive architectures. No drive parameter file changes are required for a like-for-like replacement. If you are migrating from S4C+ to IRC5 simultaneously, axis motor parameters must be loaded via the IRC5 system configuration — consult your ABB system integrator for the correct parameter set.
Q: What communication protocols are supported in the broader system?
A: The IRB 6600/6650/7600 platform supports PROFIBUS-DP, DeviceNet, EtherNet/IP, and PROFINET depending on the installed DSQC communication module. The axis motor itself is a drive-level component and does not directly interface with fieldbus protocols — compatibility is determined by the IRC5 drive and I/O modules, not the motor.
Q: How do I verify the correct axis assignment for this motor?
A: Cross-reference the axis number (typically Axis 1, 2, or 3 on the IRB 6600/6650) with the ABB spare parts catalog for your specific robot serial number and build date. The 3HAC030215-003 is designated for specific high-torque axes — confirm applicability via the robot’s product manual or contact TOPNLMS with your robot serial number for verification.
Every ABB 3HAC030215-003 Motor with Pinion supplied by TOPNLMS is covered by a 12-month warranty from the date of shipment. Prior to dispatch, each unit undergoes outgoing inspection including visual examination, connector integrity check, and resistance/insulation verification to confirm the motor meets functional standards before leaving our facility in Xiamen, China.
In the event of a warranty claim, TOPNLMS provides replacement support with priority processing. Our technical team will assess the failure mode — whether mechanical, electrical, or encoder-related — and coordinate a replacement dispatch to minimize your production downtime. Warranty coverage applies to manufacturing defects and component failures under normal operating conditions as defined by ABB’s installation and maintenance specifications.
For procurement teams, TOPNLMS maintains stock of the 3HAC030215-003 and related IRB series components to support both planned maintenance schedules and emergency breakdown orders. Lead times, quantity pricing, and export documentation (including commercial invoice, packing list, and certificate of origin) are available upon request. We ship via DHL Express, FedEx International Priority, and sea freight for bulk orders, with tracking provided at dispatch.
Our after-sales response commitment: technical inquiries are acknowledged within 1 business day. Warranty replacement decisions are communicated within 3 business days of receiving the defective unit or photographic evidence of failure.
Click Quote This Model and the Part Number field will auto-fill with 3HAC030215-003.