USER MANUAL-S600E
29
S600E
Figure 3-1 RCCB symbols
The UPS is fitted with an internal EMC filter, therefore the protective earth cable leakage current is 0 - 1000mA. We
recommend confirming the RCD sensitivity of the upstream input power distribution and downstream power
distribution (to the load) lines.
External battery
The BCB must be installed in order to protect external battery. The UPS requires an optional BCB box to provide
overcurrent protection, short circuit protection and automatic tripping functions for the external battery. The rated voltage
of the BCB is 500Vdc.
This BCB is extremely important for the battery maintenance, and is generally installed close to the battery.
System
output
The UPS output distribution line must be fitted with a protective device. The protective device must be different
from the input distribution protection switch and be able to provide overload protection (refer to Table 10-6 and
Table 10-7).
Power Cable Connection Steps
For the UPS cable access mode, refer to 2.7.3 .
Connection terminals and cable routing method
Figure 3-2 shows the UPS power cable connection terminals. Figure 3-3 shows the power cable entry and routing methods.
Figure 3-2 Power cable connection terminals (rear view)
rims of the hole to protect power cables against cutting.
2.
Feed the power cables through the holes, then connect them to the corresponding terminals.
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