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Fuse.on: technical knowledge for practical application

Latest edition: fuse protection for electric motors

Since January 2017 all mains-powered electric motors in common usage throughout Europe have had to meet efficiency class IE3 as a minimum legal requirement. However, motors of this type generally have a significantly higher start-up current. Fuse.On provides users with a step-by-step explanation of how to take this factor into account when installing the proper fuse protection.

This edition can be downloaded here as a PDF file.

Former editions

A rule of thumb that does not always apply
Miniature fuses indirect current applications. Download here

Why did the fuse interrupt??
Basic principles in the selection of miniature fuses. Download here

Short circuit protection in PV systems
Requirements for photovoltaic fuses. Download here

… what, Watt?
On the use of miniature fuse-holders. Download here

A small component, yet a high degree of safety
SMD Fuses for “real” short circuits: A new design which is able to interrupt 4000 A. Download here

Any questions?