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ABB 3HAC16331-1 is a irb 6640id axes-1/4 manipulator harness for IRB 6640ID. It provides axes 1 through 4 manipulator wiring and must match the documented robot variant, connection option and harness revision.
This integrated harness serves the documented axes one through four wiring on the matching robot arm. Verify the complete article number and arm configuration.
Inspect the internal and moving-arm cable path, clamps and connector transitions before replacement. The routing is part of the harness identity.
Isolate the robot, record each connection and revision mark, install the matched harness and verify the affected circuits before handover.
Engineering check: Confirm 3HAC16331-1 is the correct IRB 6640ID harness for axes 1 through 4. Match every motor, brake, resolver and service connector, then route and clamp the cable exactly through the documented manipulator path.
Acceptance test: Before energizing, test conductor continuity, insulation and shield bonding. Jog the affected axes through their permitted range at reduced speed while checking bend radius, twist, clearance and stable feedback without intermittent faults.