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July 14,2023

Current fuse LEBAO.fast blow vs slow blow fuse

　　　　Rated voltage　　The nominal working voltage of a fuse, codenamed Un, is generally rated at 32V, 60V, 125V, 250V, 300V, 500V, 600V, and 1200V. Fuses can be used at a voltage not exceeding their rated voltage, but are generally not approved for use in circuits with a circuit voltage greater than the rated voltage of the fuse.　　Voltage drop　　When the rated current is applied to the fuse, the voltage measured at both ends of the fuse when the fuse reaches Thermal equilibrium, that is, when the temperature is stabilized, is Ud. Due to the voltage drop at both ends of the fuse having a certain impact on the circuit, there are clear provisions for voltage drop in European regulations.　　Fuse resistance　　Usually divided into cold resistance and hot resistance, cold resistance is the resistance value measured by a test current less than 10% of the rated current at a fuse temperature of 25 ℃. The thermal resistance is converted from the voltage drop measured at the full rated current value as

September 19,2023

The Importance of Fuses in Safe Sockets.battery terminal fuse replacement

　　　　A safety socket generally refers to a socket with a fuse and a power on indicator light. Usually, it has the characteristics of preventing leakage, overcurrent, high temperature, and lightning strikes, so safe sockets are also very popular in daily life. Today, I will tell you the importance of fuses in safe sockets　　In recent years, with the rapid development of science and technology and the widespread application of safety sockets, safety issues have also risen to a new level. In safety sockets, it is worth noting that when a fuse is blown, do not connect a wire to save time, as this will not function as a safety measure. It's best to go to a hardware store to purchase fuses or have a professional electrician repair them~!　　At the same time, the socket hole of the safety socket is covered by a layer of baffle, and you must use a pin to pass through the socket, which cannot be touched by hand.

October 20,2023

30 amp screw in resettable fuse.What are the classifications of fuses and fuses that you know

　　　　There are many types of fuses, including classification by protection form, scope of use, volume, rated voltage, breaking capacity, and fusing speed. Below, we will introduce the classification by type, which can be divided into: current fuses: Shenzhen patch fuse, miniature fuses, plug-in fuses, and tubular fuses; Temperature fuse: RH square type, RP resistance type, RY metal case; Self recovery fuse: plug-in, laminated, patch.　　1、 Current fuse　　Chip fuse. There are specifications such as 0805 and 1206, which use thin film technology to accurately control electrical characteristics. Due to its small size, it is an ideal choice for providing secondary protection for circuits in space limited applications, such as handheld portable electronic devices and various instruments and meters.　　2、 Temperature fuse.　　It is an irreparable disposable thermal protection device, available in RH, RF, RY and other series. The product has a delicate appearance and structure, good sealing performanc

August 10,2023

The key elements of damage to vehicle fuses include the following aspects.fast blow fuse time

　　　　1. Unauthorized modification of vehicle lights　　Many car enthusiasts are fond of modifying high-power headlights or xenon lamps. However, if the vehicle's headlights exceed the original overall planned output power or have a large load, it is inevitable that the fuse will melt. Suggest that if there is insufficient technical expertise or no need to tamper with the modification of cars.　　2. Modify a high-power speaker　　Some buyers want to have the actual effect of Auditory system, which may be modified. But when the output power and disorder of the speaker exceed the original overall plan, the fuse will also melt.　　3. Rinse the engine hood with tap water　　Many people wash their cars in the wrong way. For example, in the summer, many people require a water gun to wash the engine hood when washing their cars, and using a high-pressure water gun with such a high pressure to clean the engine hood can also easily cause short circuit faults in the power circuit.

July 05,2023

Basic composition of fuses.how to test a refrigerator bimetal thermostat

　　　　A general fuse consists of three parts: one is the melt part, which is the core of the fuse and plays a role in cutting off the current when blown. Fuses of the same type and specification should have the same material, geometric size, resistance value as small and consistent as possible, and the most important thing is to have consistent fusing characteristics. Household fuses are commonly made of lead antimony alloy; The second is the electrode part, which usually has two important components that connect the melt to the circuit. It must have good conductivity and should not generate obvious installation contact resistance; The third part is the support part. The melt of the fuse is generally thin and soft. The function of the support is to fix the melt and make the three parts a rigid whole for easy installation and use. It must have good mechanical strength, insulation, heat resistance, and flame retardancy, and should not produce phenomena such as breakage, deformation, combus

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Operating parameters of automobile fuse holder

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2023-04