622-2093-001, PWC-150, Collins Avionics 28V to 14V Power Converter
Collins PWC-150 Power Converter. P/N 622-2093-001. NSN: 5826-01-057-3513. The Power Converter consists of two independent dc voltage-reducing regulators which provide 14V to the VIR-351 Nav Receiver and / or VHF-251 comm transceiver from a 28V source. It was removed for avionics upgrade.