THE VFC2000 from Amtex Electronics is a variable ac power source with an adjustable output of 0-130V ac at 15A or 0-250V ac at 8A, with a pure sinusoidal waveform.
Output frequency is fully user selectable in a range of 47-440Hz, with 50, 100, 200, 400Hz 'hot' pushbuttons for a quick choice.
Input is 115/230V ac selectable, anywhere in 47-440Hz range. There is also full isolation of 2250V dc with 8mm spacing between input to output.
Current limiting, overload protection and thermal shutdown with auto recovery are just some extra features. The unit is an excellent and versatile instrument that suits many industrial applications or laboratories.
It is supplied in 4U x 19-inch case for rack mount or bench top use.