![]() Related Post: How to Read MCB Nameplate Data Rating Printed on it?Įxpect the current capacity of current, there is the maximum voltage rating a fuse can handle safely.The value of maximum current that can safely be interrupted by the Fuse is called Breaking Capacity and should be higher than the prospective short circuit current. In normal operation of the circuit, fuse wire is just a very low resistance component and does not affect the normal operation of the system connected to the power supply. Therefore, it disconnects the power supply from the connected system. Whenever a short circuit, over current or mismatched load connection occurs, then the thin wire inside the fuse melts because of the heat generated by the heavy current flowing through it. The working principle of a fuse is based on the “ Heating effect of Current” i.e. It is used to connect and install in series with a circuit and device which needs to be protected from short circuit and over current, otherwise, electrical appliance may be damaged in case of absence of the fuse and circuit breaker as they are unable to handle the excessive current according to their rating limits Difference Between MCB, MCCB, ELCB & RCB, RCD or RCCB Circuit BreakersĪ general Fuse consists of a low resistance metallic wire enclosed in a non combustible material.MCB (Miniature Circuit Breaker) – Construction, Working, Types & Uses.Main Difference between Fuse and Circuit Breaker.In this article, we will discuss the different types of fuses, its construction, working and operation and their application in various electronics and electrical systems. There are many types of fuses, but the function of all these fuses is the same. Electric fuse was invented by Thomas Alva Edison in 1890. SMD Fuses (Surface Mount Fuse), Chip, Radial, and Lead FusesĪ fuse is an electric / electronic or mechanical device, which is used to protect circuits from over current, overload and ensure the protection of the circuit.Automotive, Blade Type & Bolted Type Fuses.HRC (High Rupturing Capacity) Fuse or Link Type Cartridge Fuse.How to Select Proper Rating Size of Fuse?. ![]()
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