RPS-400-27-SF vs RPS-400-27 vs RPS-400-27-C

PartNumber	RPS-400-27-SF	RPS-400-27	RPS-400-27-C
Description	AC/DC CONVERTER 27V 251W	SPS Medical Open Frame 402,3W 27V/14,9A	Power supply: switched-mode, 400W, 113÷370VDC, 80÷264VAC, 27VDC