G-Tec LibraPro - LIBRAPRO Single Configuration Electrical Setup; Electrical System Configuration for Single UPS

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3. LIBRAPRO in single configuration
The operations described in this chapter must be carried out exclusively by a specialized technician.
3.1 Set-up of the electrical system
3.1.1 ac Input
The UPS input must have a max. current protection device. The protection device should be sized according to the
situation, as follows:
a) single power line
b) main power supply and separate by-pass
a) Single power line (F input line protection)
The UPS input must have a max. current
protection device for the section of line coming
from the distribution panel. The fuse represented
with the letter F.
b) main power supply and by-pass separate
(Fmains and G by-pass input line protection)
When there are two separate power lines, the main
power line and the by-pass line, two protection
devices must be provided (indicated with the letters F
and G in the drawing), one for each line.
10 15 20 30 40 60 80
input line
Imax (100% load, and battery recharging)
22 34 45
65 87 131 17
5
External [F] fuse type gG (*) [A] 32 40 63 80 100 160 200
(*) or equivalent circuit breakers
10 15 20 30 40 60 80
mains line
Imax (100% load, and battery recharging)
22 34 45
65 87 131 17
5
External [F] fuse type gG (*) [A] 32 40 63 80 100 160 200
By-pass line
Current 14,5 22 29 43 59 87 116
External [G] fuse type gG (*) [A] 20 25 32 50 80 100 125
(*) or equivalent circuit breakers
MAINS LINE
+/-
LOAD
UPS
BATTERY CABINET
F
SWBY
SWIN
SWOUT
MAINS LINE
+/-
LOAD
UPS
BATTERY CABINET
F
SWBY
SWIN
SWOUT
BY-PASS LINE
G