HEATHKIT IP-5220

Fully isolated variable AC bench power supply auto-transformer (Variac)

120 VAC 50/60-HZ input

0-140 volts @ 0-3 amps (0-420 watts) continuous output

Metering for AC volts (0-150) and dual range amp meter (0-1A and 0-3A ranges)

Two front panel 3-prong receptacles:
One of them outputs 0-140 VOLTS AC @ 0-3 amps
The other provides a fixed output of 120 VAC @ 10 amps max

Includes a built in isolation transformer