Brochure

SENTRON
fuse switch disconnectors 3NP:
Protection against overload and
short-circuit.
When it comes to high requirements, there are no
alternatives to our fuse switch disconnector 3NP. The
reasons are quite clear: Even high short-circuit currents
are safely handled and controlled, competitively priced
back-up protection is provided, as well as straightfor-
ward selectivity calculations and absolute reliability –
even when short-circuits occur. The fuse ruptures 100% –
this means that there is absolutely no chance of any
residual risk because of welded contacts.
There are two 3NP series in the SENTRON family. Both
have some common features such as the large, clear
window which allows the fuses to be clearly identified.
The same goes for the visible isolating gap that is often
required for maintenance and service purposes.
Additional safety is provided when the optional fuse-
monitoring function is used.
All of these features mean that the fuse switch dis-
connector 3NP is a device that fulfills the highest plant
and system availability. We do quite a lot to achieve this:
From shock and vibration testing up to special earth-
quake tests – to ensure safe and secure use in marine
systems, nuclear power stations and other applications
that are critical from a safety perspective.
Optimally solved: The matching frame and
complete TTA type-tested mounting kits are
available for the 8HP moulded-plastic
distribution system as well as for the various
SIKUS distribution cabinets.
12 l 13