Tweco 251 Thermal Arc Fabricator - Manual (Page 25)

FABRICATOR 251
Manual No. 0-4847 3-3 INSTALLATION
Changing the Voltage Selection
1. Disconnect the power supply from the input power source.
2. Refer to Figure 3-1. The power supply comes wired for 230V. Locate the two blue input power wires where they
are secured to the input voltage selection block. Loosen the set screw for both voltage locations.
3. Remove the blue wires from the current location and insert them into the new voltage location. Secure by tighten-
ing the set screw onto the uninsulated portion of the wires. Secure the other voltage set screw as well.
230V connection
208V connection
Art # A-07332
Figure 3-1: Voltage Selections for Fabricator 251 (Wired for 230V)