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July 10,2023

Use and maintenance of fuses.solar panel fuse diagram

　　　　In low-voltage distribution systems, fuses are a type of electrical appliance that plays a safety protection role. Fuses are widely used for power grid protection and electrical equipment protection. When a short circuit fault or overload occurs in the power grid or electrical equipment, they can automatically cut off the circuit to avoid damage to electrical equipment and prevent accidents from spreading.　　A fuse is composed of an insulation base (or support component), contacts, melt, etc. The melt is the main working part of the fuse. The melt is equivalent to a special section of wire connected in series in a circuit. When a short circuit or overload occurs in the circuit, the current is too high, and the melt melts due to overheating, thereby cutting off the circuit. Melts are often made into filaments, grids, or sheets. Melt materials have the characteristics of relatively low melting point, stable characteristics, and easy melting. Generally, lead-tin alloy, silver plated co

August 08,2023

Fuse standard.princess auto fuse block

　　　　The full name of 3C certification is "Compulsory Product Certification System", which is a product qualification evaluation system implemented by the Chinese government in accordance with laws and regulations to protect consumer personal and national safety, strengthen product quality management, and implement it. The so-called 3C certification is the China Compulsory Certificate system. It should be noted that the 3C mark is not a quality mark, but rather a fundamental safety certification.　　The "CCC" certification mark is divided into four categories　　The current "CCC" certification mark is divided into four categories, namely:　　1. CCC+S safety certification mark;　　2. CCC+EMC electromagnetic compatibility certification mark;　　3. CCC+S&E safety and electromagnetic compatibility certification mark;　　4. CCC+F fire certification mark;　　China has implemented the National Compulsory Certification System (CCC) since May 1, 2002. Compulsory certification is implemented for produc

October 07,2023

What are the drawbacks of LED Fuses driver power supply.microwave high voltage fuse blown

　　　　What are the drawbacks of LED driver power? With the development of LED applications, LED driver power has also been widely used. Last week, we talked about the development trend of LED driver power. Today, the editor will briefly explain the shortcomings of LED driver power.　　Firstly, the technical personnel of companies that produce LED lighting and related products do not have sufficient understanding of switching power supplies. The power supplies produced can work normally, but some critical evaluations and electromagnetic compatibility considerations are not sufficient, and there are still certain hidden dangers; (Related knowledge: The development trend of LED power drive)　　Secondly, most LED power supply manufacturers have transitioned from ordinary switching power supplies to LED power supplies, and their understanding of the characteristics and use of LEDs is not yet sufficient;　　However, currently there are almost no standards for LEDs, most of which refer to the standar

September 04,2023

The Application of Self Recovery Fuses in Air Fresheners.supercheap auto blade fuse

　　　　Air purifiers, also known as air filters, can filter out impurities in the air and output clean air. In this era of industrial pollution and severe smog, air purifiers have become essential equipment widely used in homes, hotels, and other places. It consists of three parts: control circuit, mechanical and detection status indication. The mechanical part involves the fan motor passing indoor air through a filter and circulating impurities to achieve air purification.　　The core of an air purifier is a small motor. In this transmission system mechanism, small motors are prone to overload or rotation due to problems such as mechanical lack of lubricating oil, bearing wear, rust, dust, etc., ranging from burning out the motor to burning out the motor and wires, and even leading to fire accidents. So it is necessary to design overload protection and gambling protection circuits for the motor to ensure safe operation.　　Traditional designs often use bimetallic temperature controllers as o

September 23,2023

Typical Applications of Self Recovery Fuses.motor thermostat wiring diagram

　　　　Self restoring fuses are a common circuit protection component in our daily lives. For commonly used air conditioners, there is a self recovery fuse used to control circuit board overcurrent, overload, and overheating protection. The self restoring fuse is composed of high-tech polymer resin and nano conductive grains through a special process. Under normal circumstances, conductive grains form a chain like conductive path with resin connections, and the self recovery fuse operates normally; When an abnormal current is generated due to a circuit malfunction, the conductive path is disconnected, and the PTC resistance rapidly increases to limit the abnormal current, thereby protecting the precision components in the circuit from damage; After troubleshooting, the PTC returns to a low resistance state without the need for manual replacement, and the circuit returns to normal operation.　　Due to its advantages such as long lifespan, sensitive response, small size, and simple installati

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