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OM-279 Page 13
L1 (U)
2-10. Connecting Input Power
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.
7/16 in
1/2 in
Tools Needed:
3
OR
2
2
L2 (V)
L3 (W)
L1 (U)
L2 (V)
Ref. ST-801 455 / Ref. ST-144 221 / Ref. ST-070 399-C / Ref. ST-801 454-B
1
Three-Phase System
Single-Phase System
Y Always connect
grounding conductor first.
= GND/PE
3
2
Three-Phase Connections
Single-Phase Connections