... typy XLBM / XUBM 160...1250A / 400...690V. In Line je nová výrobková řada lištových pojistkových odpínačů a pojistkových lišt pro montáž na ploché přípojnice s roztečí 185mm. Jsou určeny pro nožové pojistkové vložky dle DIN 43620, IEC /EN 60269-2-1 a lze s nimi bezpečně spínat a ...
The melting curves and current limiting diagram for fuse links are
given the IEC 269-2 standard.
As the fuse link body filled with quartz sand, there will emission
of gases arcs when short circuit occurs.
W hen more power needed installation, more feeders can be
added ithout changing the present structure any new selectivity
calculations. Fuse links which can ithstand
a high fault level and fault current, are available econom ical prices. Fuse protection
Fuse protection Easy and reliable
The fuse superior short circuit protection elem ent regarding the
maximum allowed cut-off current (peak let through current) and energy
value. The standardised fuse characteristics
and high degree current limitation ensure that there simple and
effective co-ordination with fuse links and other devices. This again leads less
stress the network and higher degree personal safety. The switch fuses
are tested according the 60947-3 standard with more stringent
requirements for isolation, making, perform ance and safety.
Fuse links provide simple procedure for selecting the right fuse type
for your installation, ithout com plicated calculations calculation
tools.The fuse
rails are tested according IEC 60269-2-1. Fuses thus
provide selective coordination.
A m
1SEC315001B0201
4
.
The fuse link provides the best protection com pared other solutions,
at high short circuit currents.
Because the fuse links can rapidly and easily replaced, plant down
tim and maintenance are substantially reduced with fuse link system
Because the fusing elements operate cylinder, they are not affected
by their surroundings. Thus their protecting characteristics remain
stable year after year.
No moving parts
- extra operation time
Fuse protection Easy and reliable
• Economical installation
• Easy and econom ical selectivity
• need for calculation tools
• need change the present structure when more power is
needed
• moving parts
• extra operation time
• arc space
• emission gasses short circuits
No need for calculation tools
- Easy and econom ical selectivity
Economical installation
Lifetime costs fuse system are low.
This more portant the higher the voltage and prospective fault
levels are. Fuse links will assure selectivity the installation 1,6:1
difference the rated current.
After fuse operation, only the fuse link has changed. The dynam stress the network and its
equipm ent dependent the let through energy (i2t) short circuit. The FastLine itch fuses fulfil the highest requirements
for modern switch fuses with total safety concept. Only the fuse nearest fault trips
w ithout upstream fuses (feeders mins) being affected. Fuses prevent blackouts”.FastLine
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