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ABB CINT-4421C identifies CINT-4421C as a main-circuit interface board used with ABB drive power sections. Selection is based on the complete article, type designation and installed hardware revision. Use CINT-4421C only in the documented ABB drive power sections position whose parts list, wiring and configuration name this exact execution. Confirm CINT-4421C, CINT-4421C, the receiving rack or equipment, connector population, hardware revision and documented configuration before replacement.
CINT-4421C must be matched to the receiving equipment and project record. Preserve the approved configuration and terminal record, isolate every applicable energy source, label connections and follow ESD handling requirements. After installation, verify power and diagnostics first, compare communication or I/O status with the saved record, and prove the assigned function in a controlled test state.
Read CINT-4421C and CINT-4421C together; preserve every suffix and the installed hardware revision.
Compare the receiving equipment, slot or mounting position, connectors and project documentation before moving any wiring.
Restore only the approved settings, review diagnostics and test the assigned function before releasing the equipment.
CINT-4421C is controlled as one complete ABB hardware identity. Similar boards or units cannot be substituted from appearance alone: article suffix, type designation, populated connectors and receiving-equipment record must agree.
Before energization, inspect keying, grounding, insulation boundaries and every transferred connection. During commissioning, verify diagnostics and signal behavior against the plant record, then document the final hardware revision and test result.
Availability and lifecycle status are confirmed for the exact CINT-4421C article at quotation.
Moore Automated verifies the supplied condition, included items and installed-system match against the complete ABB identity.