Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES

H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive

H01H85/0013Means for preventing damage H01H85/0017due to vibration or other mechanical forces H01H85/0021water or dustproof devices H01H85/0026casings for the fuse and its base contacts H01H85/003casings for the fusible element H01H85/0039Means for influencing the rupture process of the fusible element H01H85/0043Boiling of a material associated with the fusible element H01H85/0047Heating means H01H85/0052Fusible element and series heating means or series heat dams H01H85/0056Heat conducting or heat absorbing means associated with the fusible member H01H85/006Heat reflective or insulating layer on the casing or on the fuse support H01H85/0065Heat reflective or insulating layer on the fusible element H01H85/0069Heat reflective or insulating filler, support, or block forming the casing H01H85/0073Expansion or rupture of the insulating support for the fusible element H01H85/0078Security-related arrangements H01H85/0082preventing explosion of the cartridge H01H85/0086use of a flexible body H01H85/0091providing disconnection of the neutral line H01H85/0095Earthing means H01H85/02Details H01H85/0208Tools for inserting and removing fuses H01H85/0241Structural association of a fuse and another component or apparatus H01H85/04Fuses, i.e. expendable parts of the protective device H01H85/041characterised by the type H01H85/0411Miniature fuses H01H85/0415cartridge type H01H85/0417with parallel side contacts H01H85/0418with ferrule type end contacts H01H85/042General constructions or structure of high voltage fuses H01H85/044General constructions or structure of low voltage fuses H01H85/0445fast or slow type H01H85/045cartridge type H01H85/0452with parallel side contacts H01H85/0454with screw-in type contacts H01H85/0456with knife-blade end contacts H01H85/0458with ferrule type end contacts H01H85/046Fuses formed as printed circuits H01H85/047Vacuum fuses H01H85/048Fuse resistors H01H85/05Component parts thereof H01H85/055Fusible members H01H85/06characterised by the fusible material H01H85/08characterised by the shape or form of the fusible member H01H85/10with constriction for localised fusing H01H85/11with applied local area of a metal which, on melting, forms a eutectic with the main material of the fusible member H01H85/12Two or more separate fusible members in parallel H01H85/143Electrical contacts Fastening fusible members to such contacts H01H85/147Parallel-side contacts H01H85/15Screw-in contacts H01H85/153Knife-blade-end contacts H01H85/157Ferrule-end contacts H01H85/165Casings H01H85/17characterised by the casing material H01H85/175characterised by the casing shape or form H01H85/1755composite casing H01H85/18Casing fillings H01H85/185Insulating members for supporting fusible elements inside a casing H01H85/20Bases for supporting the fuse Separate parts thereof H01H85/2005for use with screw-in type fuse H01H85/201for connecting a fuse in a lead and adapted to be supported by the lead alone H01H85/2015for plug-in type fuses H01H85/202for fuses with ferrule type end contacts H01H85/2025for fuses with conical end contacts H01H85/203for fuses with blade type terminals H01H85/2035for miniature fuses with parallel side contacts H01H85/204for low voltage fuses with knife-blade end contacts H01H85/2045Mounting means or insulating parts of the base H01H85/205Electric connections to contacts on the base H01H85/22Intermediate or auxiliary parts for carrying, holding, or retaining fuse, cooperating with base or fixed holder, and removable therefrom for renewing the fuse H01H85/24Means for preventing insertion of incorrect fuse H01H85/25Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover H01H85/26Magazine arrangements H01H85/263with spare printed circuit fuse H01H85/28effecting automatic replacement H01H85/30Means for indicating condition of fuse structurally associated with the fuse H01H85/303Movable indicating elements H01H85/306acting on an auxiliary switch or contact H01H85/32Indicating lamp structurally associated with the protective device H01H85/34Distinguishing marks H01H85/36Means for applying mechanical tension to fusible member H01H85/38Means for extinguishing or suppressing arc H01H85/40using an arc-extinguishing liquid H01H85/42using an arc-extinguishing gas H01H85/43Means for exhausting or absorbing gases liberated by fusing arc, or for ventilating excess pressure generated by heating H01H85/44Structural association with a spark-gap arrester H01H85/46Circuit arrangements not adapted to a particular application of the protective device H01H85/463with printed circuit fuse H01H85/47Means for cooling H01H85/48Protective devices wherein the fuse is carried or held directly by the base H01H85/485the fuse being provided with bayonet-type locking means H01H85/50the fuse having contacts at opposite ends for co-operation with the base H01H85/52the fuse being adapted for screwing into the base H01H85/54Protecting devices wherein the fuse is carried, held or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers H01H85/542the intermediate or auxiliary part being provided with bayonet-type locking means H01H85/545with pivoting fuse carrier H01H85/547with sliding fuse carrier H01H85/56the intermediate or auxiliary part having side contacts for plugging into the base H01H85/58with intermediate or auxiliary part and base shaped to interfit and thereby enclose the fuse H01H85/60the intermediate or auxiliary part having contacts at opposite ends for co-operation with the base H01H85/62the intermediate or auxiliary part being adapted for screwing into the base