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voltage system on the protected busbar is of the highest
quality and availability.
In the event of mains faults (e.g. current failures), the voltage
continues to be supplied from the inverter to the load without
any interruption. From this point onwards, the inverter draws
its power from the battery instead of the inverter. No switching
operations are necessary; this means there is no interruption
in the supply to the load.
The automatic electronic bypass serves to increase the
security of supply further. It switches the public mains directly
through to the load if there is an inverter malfunction. As a
result, the automatic bypass represents an extra passive
redundancy for the load.
The integrated manual bypass ensures in case of service
and/or maintenances a complete power supply of all
connected loads. The internal electronic circuit (with
exception of the protected manual bypass) can be enabled by
the input fuse.
The maximum security of supply for connected loads is
achieved by switching up to three PROTECT C. UPS
appliances parallel. The n+x technology provides the highest
possible availability by a single or double redundancy. On the
other hand the power can be raised by using the single
redundancy. In case of no redundancy the highest power is
reached with the UPS. The relation between available power
and active redundancy is explained in the following table.