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 3HAC022644-001.
Send this exact part number, quantity and destination country. TOPNLMS will confirm availability, condition and export lead time before quotation.
In modern automated manufacturing environments, the reliability of robot controller memory protection is not a secondary concern — it is a frontline operational priority. The ABB 3HAC022644-001 Battery Backup Unit is the original spare component designed to safeguard program memory, system parameters, and calibration data within ABB IRC5 and IRB series robot controllers. When this battery fails without a replacement on hand, the result is not merely an inconvenience — it is an unplanned shutdown, a loss of calibration data, and potentially hours or days of re-commissioning time on the production floor.
For maintenance engineers managing multi-robot cells, automotive assembly lines, welding stations, or palletizing systems, keeping a verified stock of the 3HAC022644-001 is a fundamental element of any responsible preventive maintenance program. This unit operates at 10.8V and is engineered to maintain volatile memory integrity during power-off cycles, controller reboots, and emergency shutdowns — protecting the investment made in robot programming and system tuning.
| Parameter | Specification |
|---|---|
| Part Number | 3HAC022644-001 |
| Brand | ABB (Original) |
| Series Compatibility | IRC5 Controller, IRB Series Robots |
| Nominal Voltage | 10.8V |
| Function | Controller Memory & Parameter Backup |
| Related Part Numbers | 3HAC16831-1, 3HAC044075-001, RV-450E |
| Installation Type | Direct plug-in replacement, IRC5 cabinet |
| Application Environment | Industrial robot cells, welding, assembly, palletizing |
| Maintenance Interval | Inspect annually; replace per ABB service schedule |
| Country of Origin | Sweden |
| Weight | Approx. 100g |
| Warranty | 12 Months |
| Condition | Original / Genuine |
| Pre-shipment Testing | Voltage, capacity, and compatibility verified before dispatch |
Replacing the ABB 3HAC022644-001 battery backup unit is rarely an isolated task. In practice, a scheduled maintenance window on an IRC5 controller cabinet is the ideal opportunity to audit the health of the entire control system. Experienced maintenance teams know that a battery replacement visit that uncovers a failing ABB DSQC 661 main computer board or a degraded DSQC 662 power distribution unit is far less costly than a second unplanned shutdown two weeks later.
During the same service interval, it is advisable to inspect the ABB DSQC 608 I/O module for signal integrity and verify that the DSQC 652 digital I/O board is responding correctly to all configured inputs and outputs. These components share the same IRC5 backplane and are subject to the same thermal cycling and vibration stresses as the battery unit itself. If the robot is part of a welding cell, the DSQC 378B weld timer board and associated IRC5 teach pendant cable should also be checked for connector wear and insulation integrity.
For facilities running multiple ABB IRB robots — such as IRB 1600, IRB 2600, or IRB 6700 series — a centralized spare parts inventory that includes the 3HAC022644-001 alongside the ABB DSQC 609 power supply unit and a set of IRC5 axis computer boards (DSQC 668) provides meaningful protection against cascading downtime. The SMB (Serial Measurement Board, 3HAC031670-001) is another frequently overlooked component that stores encoder calibration offsets — its failure can mimic battery-related memory loss and should be part of any comprehensive spare parts plan.
Facilities with older IRC5 M2004 or M2000 generation controllers should also maintain stock of the DSQC 503 I/O unit and verify that FlexPendant (3HAC028357-001) firmware is current. Proactive replacement of the battery backup unit at the first low-battery warning — rather than waiting for a fault code — is the single most cost-effective action a maintenance team can take to protect robot program integrity and avoid unscheduled re-calibration.
The ABB 3HAC022644-001 is a direct, plug-compatible replacement for aging battery units in IRC5 cabinets that have been in service for three or more years. Unlike generic third-party alternatives, the original ABB specification ensures that the battery management circuit within the IRC5 controller correctly reads charge state and triggers maintenance alerts at the appropriate intervals — preventing both premature replacement warnings and undetected battery depletion.
For facilities managing legacy ABB systems where the original controller documentation is incomplete, the 3HAC022644-001 is cross-referenced against 3HAC16831-1 and 3HAC044075-001, providing a reliable upgrade path without requiring controller reconfiguration or software modification. This compatibility makes it particularly valuable for maintenance teams supporting mixed-generation robot fleets, where standardizing on a single verified battery part number reduces procurement complexity and simplifies technician training.
Stocking this unit as part of a planned spare parts kit — alongside power supply modules, I/O boards, and communication modules — directly reduces mean time to repair (MTTR) and supports the operational continuity goals of lean manufacturing environments. Each unit shipped from TOPNLMS is pre-tested for voltage output and capacity before dispatch, and is backed by a 12-month warranty covering manufacturing defects and premature failure.
Q1: How do I know when the ABB 3HAC022644-001 battery needs replacement?
The IRC5 controller will generate a battery low warning (typically event log code 38213 or similar) when the battery voltage drops below the operational threshold. ABB recommends proactive replacement every 3–5 years regardless of warning status, as battery capacity degrades gradually and may not trigger an alert before a critical failure occurs during a power-off event.
Q2: Is the 3HAC022644-001 compatible with all IRC5 controller variants?
This battery backup unit is designed for the standard IRC5 single cabinet and IRC5 compact configurations used with IRB series robots. It is cross-referenced with 3HAC16831-1 and 3HAC044075-001. For IRC5P (paint) or IRC5 panel-mounted variants, please confirm the controller generation and cabinet type before ordering. Our technical team can assist with compatibility verification.
Q3: What pre-shipment testing is performed on each unit?
Every 3HAC022644-001 unit dispatched by TOPNLMS undergoes voltage output verification, capacity assessment, and connector integrity inspection before packaging. Units that do not meet original ABB specification thresholds are rejected. A test report is available upon request for quality-critical procurement processes.
Q4: What does the 12-month warranty cover?
The 12-month warranty covers manufacturing defects, premature capacity loss under normal operating conditions, and connector or housing failures attributable to the unit itself. It does not cover damage resulting from incorrect installation, exposure to conditions outside the specified operating range, or physical damage during handling. Warranty claims are processed promptly with replacement dispatch typically within 3–5 business days of claim approval.
Click Quote This Model and the Part Number field will auto-fill with 3HAC022644-001.