The BK Precision 1760A220V Triple-Output DC Power Supply, (2)30V/2A, (1)4-6.5V/5A, 220VAC Line Input offers three independent outputs with coarse and fine adjustment knobs. Two panel-mounted 4-digit LED meter displays can monitor either the output current or output voltage of each supply. The 1760A-220V is designed to operate continuously at rated output. Reverse polarity protection prevents accidental damage to the power supply from improper connection to an external voltage, and current limiting protects the equipment being powered as well as the power supply.