Xtreme Power Conversion Corporation
M90U-80 & 140 User’s Manual
Page 9
Uninterruptible Power Supply
2.5 Types of UPS Cabinet
There are two types of UPS cabinets. The M90U-80 has slots for (4) power modules amd (16) battery modules. The
M90U-140 has slots for (8) power modules (batteries are contained in a separate cabinet.
M90U-80
M90U-140
Cabinet
Cabinet Height
42U
42U
Switch Unit / MBS (1)
1
1
STS (2)
1
1
Max. Power Module (3)
4
8
Battery Module (4)
16
N/A
2.6 Exterior
In the front of the UPS, there are control interface (LCD Panel) and door lock.
The casters at the bottom of the UPS cabinet can be used to move over short distances. There are four leveling feet
to fix and stabilize the UPS cabinet on the ground. Refer to Figure 2-7.
Inside the cabinet, there are input, output and maintenace bypass breakers, STS Module, Power Module slots and
Battery module slots (Battery module for M90U-80 only). All wiring terminal blocks are located in the rear and top
of cabinet.