Used Rectifier - 6Volt 2000Amps

Brand: Aldonex Inc.

Model: 0-406-20C-MR, (might be incorrect, but this is what it looks like)

Input Voltage: 440 - 3 Phase, 60Hz

Output Voltage: 1-6VDC

Output Current: 2000 AMPS

Remote: Turns machine on and off and has display for Volts and Amps.  This is a tap switch unit