Connecting Input Power - Hobart Welding Products AirForce 750 Owner's Manual

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2-10. Connecting Input Power

Three-Phase Connections
Single-Phase Connections
Three-Phase System
Tools Needed:
7/16 in
1/2 in
Y Always connect
grounding conductor first.
= GND/PE
3
L1 (U)
L2 (V)
L3 (W)
2
1
Single-Phase System
OR
2
Ref. ST-801 455 / Ref. ST-144 221 / Ref. ST-070 399-C / Ref. ST-801 454-B
1
Strain Relief Clamp
Route input and grounding conduc-
tors through clamp to terminal
board.
2
Input And Grounding
Conductors
3
Line Disconnect Device
Select type and size of overcurrent
protection using Section 2-8.
3
L1 (U)
L2 (V)
2
OM-279 Page 13

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