Product overview This is a single replacement part sold as 1 PCS and identified by the following part numbers: DC9201378A, DC9201378B, DC9201378C, DC9201531B, DC9201531C. Color code and voltage reference: DC9201531B 127V. Designed to serve as a directfit replacement for equipment and assemblies that list these part numbers. Key benefits Direct compatibility: Matches the listed part numbers for straightforward substitution in systems that require DC9201378A/B/C or DC9201531B/C. Restores function quickly: Replacing a worn or failed component with this unit helps the original equipment to normal operation without extensive modification. Ready to install: Supplied as a single complete piece to minimize downtime and simplify inventory management. Compact and reliable form factor: Engineered to fit the intended mounting points and electrical connections for consistent performance in its specified 127V configuration. Quality components: Built using durable materials and standard electronicgrade parts to provide stable operation under normal use. Specifications Part numbers supported: DC9201378A, DC9201378B, DC9201378C, DC9201531B, DC9201531C Voltage reference: 127V (as marked DC9201531B 127V) Quantity: 1 PCS Compatibility and fit Intended as a direct replacement for equipment and modules that reference the above part numbers. Verify the original part label or service manual to confirm matching part numbers before installation. Designed to align with existing connectors, mounting points, and electrical ratings for straightforward replacement. Typical use scenarios Field service : Carry this part for onsite replacement when troubleshooting and repairing units that accept these part numbers. Workshop refurbishment: Use during componentlevel rebuilds or refurbishments to failed or aged parts and restore equipment functionality. Spare parts inventory: Keep a unit in stock to reduce lead time and minimize equipment downtime. Installation and notes Inspect the original part number to ensure correct match prior to installation. Installation by a qualified technician is recommended to ensure proper handling of electrical connections and safe operation. Sold as a single replacement piece. No additional accessories included unless specified by the seller. This description reflects the listed part numbers and the 127V reference. Confirm compatibility with your equipment documentation before .