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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
Output Block
Connects the critical loads
Includes R, S, T and Neutral
terminals.
Bypass Input Block
Connects bypass AC source Includes R, S, T and Neutral
terminals.
Main Input Block
Connects main AC source
Includes R, S, T and Neutral
terminals.
For UPS Grounding
For UPS grounding
Includes one grounding terminal.
Battery Input Block
Connects an external battery
cabinet
Includes
Positive (+), Negative (-) and
Neutral (N) terminals.
Figure 2-13 Standard Series (30U) Terminal Blocks