Tweco 300 XT Auto-Cut 380V - Manual (Page 29)

AUTO-CUT 300 XT
Manual 0-5261 INSTALLATION 3-5
3.05 Connect Input Power and Ground Cables
Connect Input Power and System Ground Cables
1. Remove the input power cover to the right of the coolant filter at the rear of the power supply. To do this
remove the two screws then lift up and pull away.
2. Carefully cut back the outer sheath on the primary input power cable to expose the individual wires. Cut
back the insulation on the individual wires. Route the cable upward through Input Power Port at the bottom
of the panel. There are 2 extra plates included at the cable entrance. Discarding one or both allows changing
the opening size for larger cable/strain relief.
3. Install stripped end of 3 phase wires into the terminal block L1, L2 and L3 and connect the individual cables
as shown.
4. Connect the power cable ground wire to the ground terminal block.
5. Route a system ground cable (F1) to the stud on the rear of the gas control/arc starter Refer to the Ground
Connections Section for full details and procedures on proper system grounding.
Ground Terminals
Art # A-11916
Factory installed
Ground (F)
COOLANT
RETURN SUPPLY
Input Power
and Ground
1/0 Ground (F1)
to ‘Star’ Ground
Stud