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4.3 Power Connections 50 kVA
The following illustrates the wiring connections from the power distribution panel (not
part of the UPS) to the terminal block of the 50 kVA UPS Model
(H1) (H2) (H3) (N) (L1) (L2) (L3) (N) (+) (-)
OUTPUT: 3-phase (4-wire) INPUT: 3-phase, 3-wire
208 V requires 3-phase,
4-wire
TB1
Optional: Bypass Input:
3-phase, 3-wire
208 V requires 3-phase,
4-wire
(H1) (H2) (H3) (N)
TB4
4200FA CT/XT User’s Manual 25