Power losses for overload and
short circuit protection in
accordance with IEC 60947-7-3
The IEC 60127-x standard for cartridge
fuse inserts describes three categories
for power losses (1. 6. 6.91282250000 2012/2013
.3 1.3 A
W
Technicalappendix
W.Definition overload and short-circuit protection
4.5 IN.5 max.
The IEC 60947-7-3 standard for fused
terminal blocks also based these
groups.5 W).3 1.6 max.
Table Example data for power loss specifications according IEC 60947-7-3
Arrangement Applications
Only short-circuit protection Overload and short-circuit protection
Individual arrangement max.6 max. The values specified these
standards describe the power losses at
1. 6. 6.6 2.3 A
Composite arrangement 2
