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

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Image 17
Hobart Welding Products OM-279 manual Connecting Input Power, Three-Phase System, Always connect, Grounding conductor first