Connecting 3-Phase Input Power - Miller Electric 350 VS Owner's Manual

4-4. Connecting 3-Phase Input Power

4
3
6
Tools Needed:
3
= GND/PE Earth Ground
7
2
L1
L2
L3
1
!
!
!
.
For Three-Phase Operation
1
2
3
4
5
5
6
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 4-5 (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 never
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
Ref. 804 532-A
OM-2251 Page 15