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November 21,2023

plug in mcb for old fuse box.Main parameters for selecting patch fuses

　　　　1. Voltage Ratings:　　The voltage rating of the fuse must be greater than or equal to the high voltage of the disconnected circuit. Due to the very low resistance of the fuse, the voltage rating of the fuse becomes important only when the fuse attempts to blow. After the fuse element melts, the fuse must be able to quickly disconnect, extinguish the arc, and prevent the open circuit voltage from triggering the arc again through the disconnected fuse element.　　2. Current Ratings:　　The current rating indicates the current carrying capacity of the fuse under a set of test conditions. Each fuse will indicate the current rating, which can be marked with numbers, letters, or colors. The meaning of each marker can be found through the product data table.　　3. Breaking Capacity/Interrupting Rating:　　The fuse must be able to disconnect the faulty circuit without damaging the surrounding circuit. Breaking capacity refers to the current value at which a fuse can safely open a circuit without da

August 18,2023

Application Fields and Development of Small Fuses.smd resettable fuse

　　　　The demand for the use of small fuses in the market is increasing. Small fuses have smaller internal resistance, more diverse fusing characteristics, stronger breaking ability, recoverable, and multiple line arrays, intelligent functions, and multifunctional integrated components or modules, which can be used for overload protection in many products to meet the diverse circuit protection needs of terminal products. Especially small patch fuses, as a new type of component, are suitable for various electronic products with compact structure and small volume. Based on current data, the application fields of small fuses include:　　1. Communication field　　Overpower protection for mobile phone chargers, switching power supplies, LCD screens, as well as routers, modems, network cards, etc. around the network.　　2. Computer field　　Computer motherboards, hard drives, and various components require the use of small fuses, especially disposable and recoverable fuses. They are widely used in off

August 22,2023

Regarding the issue of 20A internal fuse clip.fuse clips hs code

　　　　We know that most fuse clips are made of metal, and the general domestic market requires them to be made of brass material. Because brass has the advantages of good stability and conductivity, choosing brass as a fuse clip is a good choice.　　After understanding the material of the fuse clip, we came up with the question: "So, are there any drawbacks to this material?" This answer is answered in the article "Analysis of Common Problem Cases of Fuse Clips", and today we are going to discuss related issues related to fuse clips within 20A.　　Firstly, when installing fuse clips, there may be situations where the elasticity of the fuse clips is poor. After installing and replacing the fuse several times, the elasticity of the fuse clip gradually deteriorates, and even ends up completely without elasticity. For such problems, it is generally recommended to use clamps made of phosphorous copper material, but they still have defects. Phosphorous copper has good toughness, but poor conductiv

July 06,2023

Self resetting fuse.air conditioner fuse block pull-out replacement

　　　　Low zero power resistance: The self resetting fuse has low impedance, low power loss during normal operation, and low surface temperature.　　Fast overcurrent protection speed: Due to its material characteristics, the self resetting fuse has a much faster response speed to overcurrent conditions than other overcurrent protection devices.　　Self locking operation: The self resetting fuse is in an overcurrent protection state, locked in a high resistance state with minimal current. Only after cutting off the power supply or the overcurrent disappears, can the low resistance state be restored.　　Automatic reset: The self resetting fuse resets itself after providing overcurrent protection (troubleshooting), without the need for replacement.　　High current resistance: Self restoring fuses have excellent high current resistance, and some specifications can withstand 100A current impact.　　Application: PPTC has a wide range of applications and can be used in various electronic products, communi

November 03,2023

battery charger fuse size.How to Select Low Voltage Fuses with Chip Mounts

　　　　Chip low-voltage fuse is a type of fuse, abbreviated as chip low-voltage fuse. The function of a low-voltage fuse is to provide short circuit protection in the circuit. Its advantages include high breaking capacity, strong reliability, small installation area, convenient maintenance, and low price. The disadvantage is that there are few protection methods and the recovery time of power supply is long. Baodian Tong's main chip fuse　　How to Select Low Voltage Fuses with Chip Mounts　　Commonly used low-voltage fuses include various types such as porcelain plug type, sealed tube type, spiral type, filler type, and so on. The ceramic plug type has poor arc extinguishing ability and is only suitable for use at the end of lines with small fault currents. Other types of fuses have arc extinguishing measures, with strong current breaking ability. The closed tube structure is simple, and the spiral type is safer when replacing the fuse tube. The filling material type has stronger current brea

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Fuseless car charger, carefully burn your phone

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2023-04