Original Japanese Voltage stabilizer
Kikusui is well known manufacture of high precision power supply and test equipment's.
This stabilizer can withstand 7.5A max current and 5A stable current
Which is 500W continuous power output at 0.1% +/- output voltage(100V)
Input voltage could be 100-150V
 
Ideal for high precision Japanese electronic equipment's get damaged by stupid voltage fluctuations in the mains line.
 
This is very heavy 13KG
click here User manual