Connecting 3-Phase Input Power - Miller Millermatic 350P Technical Manual

4-11. Connecting 3-Phase Input Power

1
Rear Panel
Tools Needed:
!
Installation must meet all National and
Local Codes - have only qualified
persons make this installation.
!
Disconnect and lockout/tagout input
power before connecting
conductors from unit.
!
Always connect green or green/yellow
conductor to supply grounding terminal
first, and never to a line terminal.
!
Warning: This unit is either a
200/230/460 AC input voltage model or
460/575 AC input voltage model. See
rating label on unit and check voltage
TM-1327 Page 16
available at site to be sure it matches
the voltage specified on the rating
label.
1 Input Power Cord Strain Relief
2 Input Power Cord
input
3 Disconnect Device (switch shown in
the OFF position)
4 Green Or Green/Yellow Grounding
Conductor
5 Disconnect Device Grounding Terminal
6 Input Conductors (L1, L2 And L3)
7 Disconnect Device Line Terminals
Connect green or green/yellow grounding
3
= GND/PE Earth Ground
5
8
3
L1
4
L2
L3
6
2
conductor to disconnect device grounding
terminal first.
Connect input conductors L1, L2, and L3 to
disconnect device line terminals.
8 Over-Current Protection
Select type and size of over-current
protection using Section
disconnect switch shown).
Close and secure door on disconnect device.
Remove lockout/tagout device, and place
switch in the On position.
7
Ref. 803 543-E / 803 766-A
4-9 (fused
Millermatic 350