NETYS RT Hot Swap 7 - 11 kVA - 551574B - SOCOMEC
13
EN
1.5. Electrical requirements
The installation and the system must comply with applicable national statutory
regulations.
The fixed power distribution unit must include protection and isolation for the
utility supply and the back-up supply. In the event that a residual current device
is installed on the UPS input line (optional), this must be located upstream of the
power distribution unit.
The following table indicates the sizing of input protection devices that will ensure
correct installation.
Use type A two-pole selective (S) RCDs Any leakage currents at the loads
will be added to that of the UPS, so that current peaks can occur during
transients (loss and restoration of mains supply), although these will be of
very short duration. Where loads generate high leakage current, make
certain the rating of the RCD is suitably matched. In any event, always
conduct a preliminary test for current leakage to earth. When connecting
the UPS to the mains and the load, it is highly recommended that
protective devices are installed. The protective devices must use
approved components that meet safety standards.
Electrical requirements
UPS
Thermal-magnetic
switch on input
Recommended selec-
tive RCD on input
Minimum cable
section
7 kVA
40 D
0.1 A type A
6 mm
2
11 kVA
63 D
0.1 A type A
10 mm
2
Always refer to local wiring regulations for correct cable sizes and
protective device ratings depending on the installation environment.
