Hobart Welding Products OM-279 manual Connecting Input Power, Three-Phase System, Always connect

2-10. Connecting Input Power

Three-Phase Connections

Single-Phase Connections

1 Strain Relief Clamp

Route input and grounding conduc- tors through clamp to terminal board.

2Input And Grounding Conductors

3 Line Disconnect Device

Select type and size of overcurrent protection using Section 2-8.

1

Three-Phase System	Single-Phase System
Y	Always connect
	grounding conductor first.

= GND/PE

3

3

L1	(U)
L2	(V)	L1 (U)
L3	(W)	L2 (V)
2		2
		OR

2

Tools Needed:

7/16 in

1/2 in

Ref. ST-801 455 / Ref. ST-144 221 / Ref. ST-070 399-C / Ref. ST-801 454-B

OM-279 Page 13