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Here you will find out moreFuses are essential components in electrical circuits. They prevent the occurrence of overloads, which may cause fire or damage to the device. The fuse application varies depending on the applied fuse link.
TR5 time-lag fuses are best suited to prevent temporary overloads that may occur during the operation of transformers. TME offers a wide range of TR5 fuses, which differ in terms of their rated current.
A fuse consists of a fuse link and a housing. The most important element is the fuse link, i.e. narrowing strips usually made of copper or silver. The fuse link is usually placed in quartz sand or special liquid.
The task of the filler in the fuse is to disperse and cool the electric arc that occurs when the fuse element melts. This phenomenon occurs when the current values are too high. The higher the current value, the faster the fuse link melts. A break in the circuit occurs after the arc is extinguished, thus interrupting further supply of current which may cause overload.
The most important features of a fuse are its type and switching characteristics, which determine the response time to specific overloads. It should be adjusted to the operating conditions of the receiver, e.g. transformer. Apart from time-lag fuses, there are also fast-acting fuses, which differ from time-lag fuses in terms of the response time in relation to the current value.
Time-lag fuses available at TME are characterized by small weight, rapid response time and a variety of rated current options (from 40 mA to 10 A). Their installation is simple thanks to the pins which allow to mount them directly on a PCB.
Fuses are in compliance with PN-EN 60269 standards.
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