Power Supply 60V / 50A 6012B Autoranging dc Power Supply, 60 V, 50 A The Agilent (now Keysight) 6012B is part of the 601x series of autoranging power supplies which provide maximum power over a wide range of voltage and current combinations without having to manually select the proper output range. Complete front panel control/display Constant current/constant voltage protection Remote programming and sensing Autoranging output Ten-turn voltage and current controls Auto-series, auto-parallel operation