QUICK START GUIDE
Page 11
Version 6.0
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Step 4C Three (3) Phase, 3W+N+PE
-
Connect 277V 3
-
Phase AC Input Section
Sizing external protectors and wire for all rectifier positions (3 or 6) provides full power for all rectifier positions.
1.
Verify the charger AC breaker (AC1) is OFF.
2.
Verify AC voltage matches AC Input per Charger Label with a meter.
3.
Bring AC wires into the AC Input Box in conduit through one of
the
2”
knockouts
4.
Connect Ground wire (green /green
-
yellow) to lug.
5.
Strip
1/2”
(13mm)
6.
Insert into ground lug.
7.
Tighten lug screw securely.
8.
Pull wire to verify.
5. Connect each AC wire to the
terminal block in the AC Input Box.
AC terminal connections are labeled at
each position
-
Gnd, L, N, L1, and L2.
a.
Strip
1/4”
(10mm).
b.
Insert into terminal block.
c.
Torque screw to 13 in
-
lb (1.5
Nm).
d.
Pull wire to verify.
Go to Step 5
Top Feed
Bottom Feed
L1
L2
L3
N
GND
GND
L1
L3
L1
L3
L2
N
Recommended External Protection and Minimum Wire Size
-
6 AWG max.
19” 3
rectifier configuration
277V~ Phase to Neutral
(2725W per rectifier max)
Three
-
Phase Rectifiers
Rectifier Positions Powered
Maximum Rectifiers
per Feed
External Feed
Protector
Minimum Wire
1
1
20A
14AWG
2
2
40A
8AWG
3
3
60A
6AWG
Recommended External Protection and Minimum Wire Size
-
6 AWG max.
23” 6
rectifier configuration
277V~ Phase to Neutral
(2725W per rectifier max)
Three
-
Phase Rectifiers
Rectifier Positions Powered
Maximum
Rectifiers per Feed
External Feed
Protector
Minimum Wire
1
1
20A
14AWG
2
2
40A
8AWG
3
3
60A
6AWG
4
4
80A
4AWG
5
5
100A
2AWG
6
6
120A
1AWG
277V
