Check the listing for details. Spectra Sonics 403RS Power Supply. Condition: Used. Listed at 799.00 USD. Spectra Sonics 403RS Power Supply Sold as is. Item was kept in clean environment and in amazing condition. Extremely well built rack-mountable gear. Minor surface wear from mounting. See photos for more details. Designed specifically to supply 50 VDC (±25 VDC), 6 amps maximum. The PSU may be used as two 25 VDC 6amp supplies (one positive and one negative) for misc. system power requirements, such as: relays, dc lighting, etc. AC fuse protection and DC short circuit current limiting to a max of 2x rated current, protecting against accidental shorting. Output Voltage & Current: One 50 VDC (±25 VDC) 6 amp output, or Two 25 VDC (1 pos. & 1 neg.) 6 amp outputsLoad Regulation: Better that 2 VDC at 25 VDC or ±4%, no load to full loadRipple: Better that 300mV at 6 ampsPower Requirements: 115/230 VAC, 50/60 HzAmbient Temp Range: 0° to 140° FDimensions: 5.25"H x 6"D x 19"WFeel free to message us with any questions or concerns!