The Triplett PS12 Low Power Switching 12V DC Power Supply has six fixed output voltages with 1.5A current. The Triplett PS12 can be used for testing and repair of circuit boards, vocational school/technical school/college level electronics classroom education, field service repair, and hobbyists. Users can choose between 3V, 4.5V, 6V, 7.5V, 9V, 12VDC fixed output voltages. Users of the PS12 DC Power Supply are provided with a 18W power output with low ripple and noise, plus current overload protection.