Fuse Supporter (Fuse Base)  
In many application cases,fuse links are installe on fuse supporters/application
cases.They are not to be used as switches for connectionand disconnecton of the load.
Factors To Be Considered For Selection Of Fuse Links
a.normal working current
b.working voltage
c.ambient  temperture
d.overload current  and cutout time
e.possible malfunction current
f.impluse current surge current starting current and transient value of the line
g.size and dimensions connection methods indicators etc.http://www.fusescn.com