H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/147, 324/21
H01H 85/32 (2006.01) H01H 85/046 (2006.01)
Patent
CA 1250873
- 1 - Abstract A safety fuse assembly having a body of insulating material in which a fusible conductor extends embedded in a quenching medium between two electrical contacts. The assembly is provided with an optoelectrical indicator connected in parallel with the fusible conductor via a high resistance circuit. To increase the fuse capacity of the safety fuse assembly, the circuit is formed as an electrically conductive, highly resistive thin layer hav- ing one or more tapping points and which acts as a voltage and/or current divider circuit. The electrically conduc- tive highly, resistive layer can optionally be formed by spraying, painting, printing, injection moulding, casting, adhering, rolling, electroplating or a combination thereof. This makes it possible to maximize the internal volume of the fuse chamber and therefore, in particular, to allow an increase in length of the fusible conductor or an increase of the amount of the quenching material, so that the in- ternal volume of the safety fuse assembly can be optimally utilized.
494812
Bonfig Karl-Walter
Himmel Jorg
Kuipers Ulrich
Bonfig Karl-Walter
Himmel Jorg
Kirby Eades Gale Baker
Kuipers Ulrich
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