G
AMATRONIC
E
LECTRONIC
I
NDUSTRIES
L
TD
.
CENTRIC 3x480, User Guide, rel. 1.7
5
120 kW model, front view
120 kW model, rear view
Figure 2: Major components of the Centric 3x480 Vac (120 kW model)
Table 2: Key to Figure 2
I
TEM
D
ESCRIPTION
A
The UPS cabinet’s front door
B
Back side of the LCD panel.
C
System controller
D
Shelves for up to 4 UPS modules. Each UPS module supplies 30 kW.
The lowest UPS shelf is UPS shelf 1, the next shelf up is shelf 2, and so on.
E
Shelves for up to 2 dc-dc converter modules. The dc-dc modules convert the battery voltage of
about 250 Vdc to 400 Vdc for the UPS modules. Each dc-dc module contains 2 dc-to-dc converter
blocks.
The lowest dc-dc shelf is shelf 1; the next shelf up is dc-dc shelf 2, and so on.
Dc-dc shelf 1 supplies dc power to UPS shelves 1 and 2. Dc-dc shelf 2 supplies power to UPS
shelves 3 and 4, and so on up to dc-dc shelf 4.
F
The static switch is located at this level, inside the UPS. It is not visible from the outside.
G
Main ac terminals.
H
Neutral bus bar.
I
Protective Earth Ground bus bar
