Xtreme Power Conversion Corporation
M90 User’s Manual
Page 14
Uninterruptible Power Supply
2.7.2 Wiring Terminal Blocks
Open the UPS’s back doors and you will see the wiring terminal block. For UPS cabinet wiring, please refer to
Figure 2-13.
No. Item
Function
Description
1
Output Block
Connects the critical loads
Includes R, S, T and Neutral terminals.
2
Bypass Input Block
Connects bypass AC source
Includes R, S, T and Neutral terminals.
3
Main Input Block
Connects main AC source
Includes R, S, T and Neutral terminals.
4
For UPS Grounding
For UPS grounding
Includes one grounding terminal.
5
Battery Input Block
Connects an external battery cabinet Includes: Positive (+), Negative (-) and
Neutral (N) terminals.
Figure 2-14 M90-80 Terminal Blocks