Fuse holders are devices designed for containing, shielding and mounting different types of fuses. Fuse holders are available in two main types, open and fully enclosed. Types of open fuse holder are fuse clips, fuse blocks, socket and plug-on cap varieties. The fully enclosed range of fuse holders may use a fuse carrier that is placed into a holder or have different means to fully enclose the fuse. Fuses are available in variety of sizes but standard fuse sizes range from ¼” diameter, 5/8” length (1AG) to ¼” diameter 1” length (8AG), to 5mm x 20 mm, pico fuses and automotive blade (fuses). "Automobile Glass" fuses use the word "AG" in the fuse size description. Fuses are made of different materials. Bakelite fiber, ceramic or other related material fuses use the term "AB" instead of "AG" in the size description, but keep the dimensions of the "AG" types fuses. Automotive blade fuse sizes vary from glass tube sizes due to the shape and design of the fuse. Significant performance requirements to think about when searching for fuse holders including the different features such as normal operating current, rated operating voltage, and power debauchery ability. The maximum power dissipation (self-heating) of the fuse used with the fuse holder is also known as the Rated Power Acceptance. The least conducting path or conductor cross-sectional area of the conductor attached to the fuse holder should also be considered. Mounting choices for fuse holders consist of fuse block, fuse clip, snap mount, panel mount, PC mount, and in-line mount. Significant ecological parameters to consider when stipulating fuse holders include operating temperature. Fuses and fuse holders are manufactured by several electric equipments manufacturing companies in all over the world. Fuse and fuse holder manufacturing companies manufactures these products using high quality material for full circuit protection and best performance. Fuses and fuse holders are manufactured to meet the international standards of different countries. Normally only those fuses and fuse holders are used which comply the standards of different companies.
General characteristics for fuse holders include waterproof, vibration resistant, and blow fuse indicator. Authorization and rankings for fuse holders include UL, CSA, BSI, VED, IEC (UMF), SEMKO, and Dentori. The UL Listing ensures that a fuse has been made in full conformity with the UL 248-14 standard. UL recognition, c-UL Listing, c-UL Recognition, c-UL-us Listing and c-UL-us Recognition does not involve full acquiescence with UL-248-14. CSA Canadian approval that guarantees a fuse or fuse holder has been made in full compliance with the CSA C22.2 No. 248.14 or CSA C22.2 No. 39 standard, respectively. The BSI British approval ensures that a fuse has been made in full compliance with the correct section of IEC 60127 (BS 4265) standard. The VDE German approval guarantees that a fuse or fuse holder has been manufactured in full compliance with the appropriate section of the IEC 60127 standard. The Japanese approval Dentori guarantees that a fuse has been manufactured according to the Japanese MITI standard.
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