Circuit breaker fuse for sale in Sweden

What is the difference between ABB High voltage fuses and CEF-s fuses?

ABB high voltage fuses are Swedish fuses and thus meet specific requirements according to the test standard §17. CEF-S is a sub-area fuse (back-up) and intended as short-circuit protection. ABB sub-area fuses are designed to withstand a short switch-off time in the event of an arc fault on the low-voltage side of the distribution transformer.

What are sub-field fuses?

Sub-field fuses - Back-up fuses are designed for short disconnection times in the event of arc failure on the low voltage side of the distribution transformers. The fuses are intended as current limiting / short-circuit protection, which will trigger all currents between its maximum breaking current Imax (I1) down to the Imin (I3) value.

Which fuses are suitable for encased switchgear?

The fuses are tested and approved in accordance with current test standard IEC 60282-1 and VDE 0670 T4. Dimensionally, the fuses meet DIN 43625 and are designed for use both indoors and outdoors. The low effect losses in the fuses make them suitable for use in encased switchgear.

What are ABB sub-area fuses?

ABB sub-area fuses are designed to withstand a short switch-off time in the event of an arc fault on the low-voltage side of the distribution transformer. Furthermore, CEF-S is equipped with a temperature unit (TCU) that provides extra protection against thermal stresses in small enclosures.