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ABB 3HAC5954-1 is a axes 2 and 3 robot motor unit for the IRB 4400 platform at the shoulder and elbow drive positions. Its documented configuration is legacy dual-axis motor-unit execution. Confirm the complete article identity, installed interfaces and applicable ABB instructions before replacement.
3HAC5954-1 is documented for the shoulder and elbow drive positions. The receiving joint and complete IRB 4400 variant determine use.
Use 3HAC5954-1 only with the legacy dual-axis motor-unit execution; confirm motor mounting, pinion engagement, brake, feedback and harness.
Before service, record the installed arrangement. After replacement, verify affected-axis calibration and reduced-speed shoulder/elbow motion.
3HAC5954-1 is identified as a axes 2 and 3 robot motor unit. The receiving joint and complete IRB 4400 variant determine use. The official basis is ABB IRB 4400 product manual and spare-parts documentation.
Before installing 3HAC5954-1, confirm motor mounting, pinion engagement, brake, feedback and harness. After installation, verify affected-axis calibration and reduced-speed shoulder/elbow motion before releasing the equipment.