Description
| Model | Description | Specification |
| Product Model | ABB 3HAC026271-001 / 3HAC027648-001 | Industrial Robot Drive Unit |
| Component Type | Drive Module / Power Unit | Integrated Multi-Drive System |
| Input Voltage | 400-600 V AC | 3-Phase Phase |
| Output Current | 7.3 A – 12 A (Nominal) | Axis Dependent Configuration |
| Compatibility | ABB IRC5 Controller | M2004 / M2004 Industrial Robots |
| Weight | Approx. 4.5 kg | Compact Modular Design |
| Cooling System | Forced Air Cooling | Internal Heat Sink |
| Communication | Ethernet/IP & DeviceNet | Via IRC5 Main Computer |
The ABB 3HAC026271-001 (often identified with the sub-assembly code 3HAC027648-001) is a high-performance drive unit engineered specifically for the ABB IRC5 industrial robot controller series. This module serves as a critical power conversion interface, regulating electrical energy to ensure precise motor torque and velocity control for robotic axes. Its modular architecture allows for seamless integration within the IRC5 cabinet, providing robust thermal management and high-speed communication links to the main computer for synchronized multi-axis motion.
Model Comparisons
While the 3HAC026271-001 is a standard drive for IRC5 systems, it differs from similar models like the 3HAC025338-001 or 3HAC031154-001 primarily in its current rating and specific axis assignment. Unlike the “Large” drive units used for heavy-payload robots (like the IRB 6640), this specific model is optimized for medium-duty robots (such as the IRB 2400/2600), offering a more compact footprint and specialized firmware compatibility that prevents interchanging with older S4C+ hardware.

ABB 3HAC026271-001 3HAC027648-00102

ABB 3HAC026271-001 3HAC027648-00102

ABB 3HAC026271-001 3HAC027648-00102
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