Eaton 9155 N - Tie Cabinets; Figure 10-2: Dimensions of the Tie Cabinet

P-164000341 8-10 kVA, 50/60 Hz (1-phase input) &
8-15 kVA, 50/60 Hz (3-phase input)
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Revision 1 User's Guide
10.2 Tie cabinets
The Tie Cabinets (TCs), provided by UPS manufacturer, has input connections up to three parallel
UPS modules. It is also possible to use two redundant UPS modules and one bypass connection. This
bypass option can be used for service or test purposes.
NOTE
It is not allowed to feed the load simultaneously from mains (bypass) and inverter(s) of the
UPS unit(s). While turning the switch, where the bypass is connected, ON/OFF, UPS should be
on static bypass mode or shut down.
NOTE
The maximum load supported by the system is limited to 15 kVA if there are two UPSs and
bypass connected to TC (See wiring diagrams below).
Terminals of the TC have two or four wire connection (L1 and N or L1, L2, L3 and N) and ground
terminals. The upper ground terminal is for a load cable and the lower ground terminal is for UPS
units. The wiring shall be done according to the wiring diagrams. The cable routing and terminals are
shown below.
Figure 10-2: Dimensions of the Tie Cabinet