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3 3 . . 8 8
I I n n s s t t a a l l l l a a t t i i o o n n d d e e p p e e n n d d i i n n g g o o n n t t h h e e s s y y s s t t e e m m e e a a r r t t h h i i n n g g a a r r r r a a n n g g e e m m e e n n t t ( ( S S E E A A ) )
Change in SEA between upstream and downstream or galvanic isolation required
3 3 . . 9 9
P P o o w w e e r r C C a a b b l l e e s s C C o o n n n n e e c c t t i i o o n n
A A c c c c e e s s s s t t o o T T e e r r m m i i n n a a l l B B l l o o c c k k s s
1.
Remove the terminal blocks cover (one screw)
2.
Punch the knockouts and insert the cables/conduits inside
High leakage current. Earth connection essential before connecting supply.
This type of connection must be carried out by qualified electrical personnel.
Before carrying out any connection, check that the upstream protection device (Normal AC source) is open "O"
(Off). Always connect the ground wire first
If you ordered a HotSwap MBP, refer to the specific user manual to check the terminal blocks connection of
the UPS with the MBP.
Main low
Isolation
voltage
transformer
switchboard
(MLVS)
Normal AC
Main low
voltage
switchboard
(MLVS)
Normal AC
Installation depending on the system earthing arrangement (SEA)
10
8
or
10
8
Eaton 9PX Lithium-Ion User Guide DPD-9PX2205—Rev 01
Load
Isolation
transformer
Load
19
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