CHAPTER 2: INSTALLATION AND SETUP
IS-300CA INVERTER POWER SUPPLY
990-418 2-3
Power and Transformer connections
1. Connect the input power cable to 3-phase power. 200-240VAC or 380-480VAC depending in
model.
2. Connect transformer cable to primary of weld transformer
3. If using an IT Series transformer and current and voltage sense is required, optional cable 18-
046-01 can be connected between the 25-pin D-sub on back of the unit and the transformer
Note: the power supply is calibrated to the IT Series transformer
cable connector.
Use optional cable
18-046-01 to IT
T
required.