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公开(公告)号：US20220013320A1
公开(公告)日：2022-01-13
申请号：US17485963
申请日：2021-09-27
申请人： DEHN SE + CO KG
发明人： Arnd Ehrhardt , Peter Zahlmann , Sven Wolfram
摘要： The invention relates to a triggered fuse for low-voltage applications for protecting devices that can be connected to a power supply system, in particular surge protection devices, consisting of at least one fusible conductor which is located between two contacts and is arranged in a housing, and also consisting of a trigger device for controlled disconnection of the fusible conductor in the event of malfunctions or overload states of the respective connected device, wherein an arc quenching medium is introduced into the housing. By way of example, an arc quenching medium-free region is formed in the housing such that the at least one fusible conductor is exposed, and a mechanical disconnection element can be introduced into the arc quenching medium-free region via an access point in the housing in order to mechanically destroy the at least one fusible conductor depending on the trigger device, and independently of its melting integral.
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公开(公告)号：US11764025B2
公开(公告)日：2023-09-19
申请号：US17485963
申请日：2021-09-27
申请人： DEHN SE
发明人： Arnd Ehrhardt , Peter Zahlmann , Sven Wolfram
CPC分类号： H01H89/00 , H01H39/006 , H01H85/0039 , H01H85/12 , H01H85/185
摘要： The invention relates to a triggered fuse for low-voltage applications for protecting devices that can be connected to a power supply system, in particular surge protection devices, consisting of at least one fusible conductor which is located between two contacts and is arranged in a housing, and also consisting of a trigger device for controlled disconnection of the fusible conductor in the event of malfunctions or overload states of the respective connected device, wherein an arc quenching medium is introduced into the housing. The at least one fusible conductor has a plurality of conventional electrical bottlenecks, which are designed for the rated load of the respective fuse. At least one further additional geometric bottleneck is provided, which is disconnectable by rupturing depending on the trigger unit when applied by tension.
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