Connecting 3-Phase Input Power - Miller AlumaPower 350 MPa Owner's Manual

5-5. Connecting 3-Phase Input Power

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3
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Tools Needed:
OM-245 182 Page 18
3
= GND/PE Earth Ground
7
2
L1
L2
L3
1
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!
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For Three-Phase Operation
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2
3
4
5
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Connect green or green/yellow grounding
conductor to disconnect device grounding
terminal first.
Connect input conductors L1, L2, and L3
to disconnect device line terminals.
7
Select type and size of overcurrent protec-
tion using Section 5-6 (fused disconnect
switch shown).
Close and secure door on disconnect
device. Remove lockout/tagout device,
and place switch in the On position.
Installation must meet all National
and Local Codes − have only quali-
fied persons make this installation.
Disconnect and lockout/tagout in-
put power before connecting input
conductors from unit.
Always connect green or green/
yellow conductor to supply
grounding terminal first, and nev-
er to a line terminal.
The Auto-Line circuitry in this unit au-
tomatically adapts the power source
to the primary voltage being applied.
Check input voltage available at site.
This unit can be connected to any in-
put power between 208 and 575 VAC
without removing cover to relink the
power source.
Input Power Cord.
Disconnect Device (switch shown in
the OFF position)
Green Or Green/Yellow Grounding
Conductor
Disconnect Device Grounding
Terminal
Input Conductors (L1, L2 And L3)
Disconnect Device Line Terminals
Overcurrent Protection
804 531-A