This section provides an overview for glass fuses as well as their applications and principles. Also, please take a look at the list of 8 glass fuse manufacturers and their company rankings. Here are the top-ranked glass fuse companies as of March, 2024: 1.Grote, 2.Pico of Canada Ltd, 3.SKS ELECTRONICS.
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A glass fuse is a type of fuse that utilizes glass as a protective tube. They are the most common type of tube fuses. These fuses interrupt current flow by melting the element when an overrated current flows through them, preventing circuit breakage, smoking, ignition, and similar accidents.
Glass fuses are widely used in various applications:
They are most often used in control circuits due to their compact and space-saving nature, operating faster than general breakers.
Glass fuses consist of a glass tube, an element, and a cap.
The glass capillary protects the filament. Most often made from PC glass, it allows for visual inspection to see if the filament has fused. Some glass fuses also contain an arc-quenching agent like silica sand to suppress arc generation when the filament breaks.
The element fuses in the event of overcurrent. Typically made from zinc, the thickness of the element corresponds to the allowable current and is visible from the glass tube. Other materials like lead, silver, or alloys are used to adjust the melting point.
The mouthpiece connects the fuse to the fuse holder. It's usually made of nickel-plated copper and contains printed information such as withstand voltage and allowable current.
There are three main types of glass fuses:
Commonly used in telecommunications equipment, these fuses can withstand 200% of the rated current for about 2 minutes.
Time-lag fuses are designed to delay blowing and are used to protect motors and solenoid valves with large inrush or start-up currents.
Fast-blow fuses act almost instantaneously under excessive currents and are used to protect semiconductors from failure due to excessive or reverse currents.
Glass fuses are inserted into fuse holders with mechanisms to hold them securely. Safety tools are used when replacing a fuse to avoid electric shock. The fuse's capacity should be greater than the rated current of the electrical component but less than the maximum capacity of the wiring or weakest component. The withstand voltage is also crucial, with variants available for 125 V and 250 V.
*Including some distributors, etc.
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SOC fuse technology is a manufacturer company which has its headquarters in Japan which develops, manufactures and sell fuses for circuit protection of electronic equipment and electronics since 1958. The company has three subsidiaries in North America, Asia and Europe to carter their customers needs. SOC is being guided by its founding spirit of valuing its customers, shareholders and employees. The company is currently collaborating with automobile companies to develop fuses to protect the coming generation. The company is looking forward to come up with fuses with good capabilities.
Grote, established in 1901, is a worldwide manufacturer and supplier of vehicle lighting and safety systems. The company’s manufactured products include white light, signal lighting, warning and hazard, fuse and circuit protection, and interior light, among others. Their products are used by heavy duty trucks and trailers, vocational and passenger vehicles, as well as vehicles used for agriculture, mining, construction, emergency and rescue, and military, among others. The company has been recognized as a preferred supplier to commercial vehicle manufacturers with world class systems to ensure the quality of its products.
Ranking as of March 2024
Derivation MethodRank | Company | Click Share |
---|---|---|
1 | Grote |
23.6%
|
2 | Pico of Canada Ltd |
20.0%
|
3 | SKS ELECTRONICS |
18.2%
|
4 | Hallmark Electronics |
12.7%
|
5 | Dongguan TLC Electronic Technology Co.,Ltd |
10.9%
|
6 | SOC |
9.1%
|
7 | Shanghai Songshan Electronics Co., Ltd |
3.6%
|
8 | Dongguan Tianrui Electronics Co., Ltd |
1.8%
|
Derivation Method
The ranking is calculated based on the click share within the glass fuse page as of March 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
Country | Number of Companies | Share (%) |
---|---|---|
China | 3 | 50.0% |
India | 2 | 33.3% |
Japan | 1 | 16.7% |