PS2122 REGULATED DESKTOP POWER SUPPLY 2A    Features   very low ripple noise LED power indication short circuit protection overload protection  Specifications   selectable regulated output voltages: 3 - 4.5 -6 - 7.5 - 9 - 12Vdc output current: 2A connectors: 2.5mm, 3.5mm, 0.75x2.35, 1.35x3.5, 1.7x4.0, 2.1x5.5, 2.5x5.5mm dimensions: 159 x 97 x 76mm weight: 1.77kg power source: 230Vac / 50Hz