Appendix:
X Series Mains Wiring Option
CONNECTION
SYSTEM
1
3-Phase Wye: 4-Wire; Grounded
Neutral and Contiguous Ground.
2
2-Phase Wye: 3-Wire; Grounded
Neutral and Contiguous Ground (typi-
cally called a single phase supply in
North america).
3
3-Phase Delta: 4-Wire; Grounded at
Midpoint pf Phase and Contiguous
Ground
4
3-Phase Open Delta: 4-Wire; Grounded
at Midpoint pf Phase; Contiguous
Ground
A
N
5
B
C
Single-Phase: 3-Wire; Grounded
Neutral; Grounded at Midpoint pf
Phase; Contiguous Ground
A
N
B
CABLE
WIRING
CONNECTOR
A
A L
1
A
B L
2
C L
N
3
N N
A
B
N
C
A
B
C
N
A
B
N
C
A
B
C
N
A L
// L
A
1
2
B
N
B L
// N
3
N n.c.
B
A
N
A
B
N
A
B
B
N
A
B
C
A L
N
1
B L
A
2
C
B
C L
3
N
N n.c.
A
B
B
C
N
A
N
B
C
N
C
A
B
C
A
N
B
A L
// L
1
2
N
B L
// N
C
3
C n.c.
N n.c.
C
L
1
L
L
// L
N
1
1
2
L
L
// N
2
3
N n.c.
L
2
L
N
X SERIES
L
1
L
1
N
L
1
N
L
L
2
1
N
L
2
N
L
L
2
L
L
Symbol "L1 // L2" (parallel connection) means connect the pole L1 together
N
2
L
The parallel connection must be done at the breaker output and not at the
N
L
N
A
A
N
A
B
C
B
A
C
A
B
C
A
B
C
A
B
C
B
A
C
Symbol "L1 // L2" (parallel connection) means connect the pole L1 together
B
C
The parallel connection must be done at the breaker output and not at the
B
C
A
Symbol "L1 // L2" (parallel connection) means connect the pole L1 together
N
The parallel connection must be done at the breaker output and not at the
B
C
A
B
C
BREAKER CONNECTION
A
A
N
A
B
N
C
A
B
C
N
B
A
N
C
A
B
C
B
with the pole L2.
C
A
B
connector level.
C
Symbol "n.c." means not connected.
A
B
C
A
B
B
A
C
B
N
A
B
N
A
B
N
L
N
L
N
L
N
L
N
with the pole L2.
A
N
connector level.
A
Symbol "n.c." means not connected.
B
C
A
B
C
A
B
C
B
C
with the pole L2.
connector level.
Symbol "n.c." means not connected.
A
Appendix | 97