Xtreme Power Conversion Corporation
M90U-80 & 140 User’s Manual
Page 12
Uninterruptible Power Supply
2.6.3 Rear View
Unlock and open the rear door and you will see the UPS rear panel. There is a battery breaker for internal batteries
(M90U-80 only) and wiring terminal blocks.
M90U-80
M90U-140
Figure 2-10 Rear View
2.7 Internal Mechanisms
2.7.1 Breakers
After opening the front door, there are three breakers, Input Breaker (Q1), Maintenance Breaker (Q2) and Output
Breaker (Q3).
For the M90U-80, there is a battery breaker for internal battery modules located on the rear.
Battery Breaker
Terminal blocks