NEC Express5800/320Ma Planning Manual page 69

Figure B-6 shows a three-phase 208-volts AC, Y-, or
which is a phase-to-neutral source connection. Note that the X input on the system can
be connected from L1, L2, or L3. This application requires a single-pole circuit breaker.
Figure B-6. Three-Phase 208-Volts AC, Y-, or
Circuit A or B
Single system: 20A maximum
PDU: 30A maximum
∆
-Source Circuit Connection, Phase-to-Neutral
Power Cord
X Y G (PE)
To power input A or B
∆
-source circuit connection,
L1
208V
L2
208V
L3
120V
N
0V
G (PE)
Wall
Electrical Circuit and Wiring Information
Circuit Wiring Diagrams
120V
120V
B-7