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The 3HAC025338-004 is d6 3t 3g main servo drive unit used in ABB IRC5 M2004 drive modules. It combines the documented 3G and 3T power stages for the controller main axes.
Confirm the IRC5 M2004 controller, robot type, main-axis stage allocation and original 3HAC14546-4 hardware. The full 3HAC025338-004 article number and the installed controller nameplate should be compared before a purchase order is released.
Follow the ABB controller service instructions and verify DC-link discharge, stage position, busbars, cooling, harnesses and motor connections. Any cable, busbar, harness, fan lead, or mounting hardware must be identified separately unless included in the quotation.
DSQC617_3G3T, listed for the Z4 through X3 main-drive positions as one unit. Use the ABB article number and DSQC/type designation together when reviewing a replacement.
Engineering check: Confirm 3HAC025338-004 is DSQC617_3G3T and replaces 3HAC14546-4. Map its documented Z4-to-X3 stage allocation to the actual IRC5 M2004 axis configuration and verify all power and feedback connectors.
Acceptance test: With the cabinet made safe and harnesses rechecked, enable the mapped axes individually. Confirm brake release, encoder direction, stable current and acceptable following error, then restore calibration and software limits.