Planning Guide

Circuit Wiring Diagrams
B-8 Express5800/320Fc: Site Planning Guide
Figure B-7 shows a three-phase 208-volts AC, Y-, or ∆-source circuit connection,
which is a phase-to-phase source connection. Note that the X and Y inputs on the
system can be connected from L1 and L2, L2 and L3, or L1 and L3. This application
requires a double-pole circuit breaker.
Figure B-7. Three-Phase 208-Volts AC, Y-, or ∆-Source Circuit Connection, Phase-to-Phase
Circuit A or B
120V
XYG (PE)
To power input A or B
Wall
Power Cord
L1
L2
L3
N
G (PE)
208V
208V
120V
0V
120V
Single system: 20A maximum
PDU: 30A maximum