19
KEOR S 3-10 kVA
Oper
ating & I
nstalla
tion M
anual
Figure.5.3.1-5
Power Connection of Charger and Batt
Connections shall be made in the following order;
The device shall be earthed for a safe and reliable operation. Connect the PE/PB
ground terminals before connecting any other cable.
Recommended ground wire cross section should be at least half of the section of
cable phases AND should comply with the standards of the country (for example NFC
15100 in France).
PE cable should be min. 10cm longer than the other cables.
Input protective earth connection terminal
“PE”
of the UPS shall be connected to ground with a low
impedance connection.
The load shall be grounded via output protective earth terminal
“PB”
.
If there is an external battery cabinet present, it shall be grounded via battery protective earth terminal
“PB”
of the UPS.
5.3.1.1.
Earth Connection