"H" Class insulated copper wound water cooled welding transformer. Pair of thyristors for linear heat control from 5 to 95 %. Equipped with C-MOS control panel Model PM 201A or Micro Processor control panel Model PM20XP. Pneumatic cylinder with solenoid valve and filter, lubricator, regulator assembly with pressure gauge and push in type connectors. Water cooled electrode holders with Copper Chromium Zirconium electrode tips for long time. Press Type Spot Welder 35 to 350 KVA.