Eaton 9355 Series - Figure 42. Version 2 Tie Cabinet Parallel Wiring Diagram - Without Maintenance Isolation Switch (MIS); Figure 43. Version 2 Bypass Cabinet Bypass Wiring Diagram - with MIS

Eaton 9355 Parallel UPS (10/15 kVA) User's Guide 164201601—Rev E0 47
Figure 42. Version 2 Tie Cabinet Parallel Wiring Diagram – without Maintenance Isolation Switch (MIS)
From UPS 4 Output
From UPS 3 Output
From UPS 2 Output
Red Wire
(open when breaker is open)
Bypass Input
Black Wire
(common)
From UPS 1 Output
225A
80A (4X)
LOAD
Blue Wire
(closed when breaker is open)
225A Breaker
Auxiliary Contacts
Figure 43. Version 2 Bypass Cabinet Bypass Wiring Diagram – with MIS
Red Wires
(open when breaker is open)
Black
Wires
(common)
Blue Wires
(closed when breaker is
open)
225A Breaker
Auxiliary Contacts
Not Used
Not Used
Not Used
Bypass Input
From UPS 1 Output
225A
110A (4X)
LOAD
MIS
225A
80A (4X)
UPS Wiring Diagram Schematics