What are the categories of insurance
Release time:
2023-07-04 14:49
According to the protection form, it can be divided into: overcurrent protection and overheat protection. The fuse used for overcurrent protection is commonly referred to as a fuse (also called a current-limiting fuse). Fuses used for overheat protection are generally referred to as "temperature fuses". Temperature fuse is divided into low melting point alloy shape and temperature trigger shape and memory alloy shape and so on (temperature fuse is to prevent heating appliances or easy heating appliances temperature is too high and to protect, such as: hair dryer, iron, rice cooker, electric stove, transformer, motor and so on; It responds to the increase in temperature of electrical appliances and does not care about the working current of the circuit. It works differently from the "current limiting fuse").
According to the scope of use, it can be divided into: power fuse, machine tool fuse, electrical instrument fuse (electronic fuse), car fuse.
According to the volume, it can be divided into: large, medium, small and micro. According to the rated voltage, it can be divided into: high voltage fuse, low voltage fuse and safety voltage fuse.
According to the breaking capacity, it can be divided into: high and low breaking capacity fuses.
According to the shape, it can be divided into: flat tubular fuse (which can be divided into internal welding fuse and external welding fuse), pointed tubular fuse, guillotine fuse, spiral fuse, chip fuse, plate fuse, wrap fuse, patch fuse.
According to the fusing speed, it can be divided into: ultra-slow fuse (generally represented by TT), slow fuse (generally represented by T), medium speed fuse (generally represented by M), fast fuse (generally represented by F), ultra-fast fuse (generally represented by FF).
According to the standard points, it can be divided into: European fuses, American fuses, Japanese fuses.
According to the type, it can be divided into: current fuse (patch fuse, micro fuse, insert fuse, tubular fuse), temperature fuse (RH[block type], RP[resistance type], RY[metal shell]), self-recovery fuse (plug-in, laminated, patch).
According to the size can be divided into: patch type 0603,0805,1206,1210,1812,2016,2920; 2.4 x 7, non patch Φ Φ 3 x 7, 3.6 x 10 Φ, Φ 4.5 x 15, Φ 5.0 x 20, 5.16 x 20 Φ, Φ 6 x 25, Φ 6 x 30, Φ 6 x 32, Φ 8.5 x 8, Φ 8.5 x 8 x 4, Φ 10 x 38, Φ 14 x 51.
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