10x38mm Fuses, ceramic fuse, time delay
Unleash Superior Protection with 1000Vdc 10x38mm High Voltage Cartridge Fuses
In today's advanced technological landscape, ensuring the safety...
Cartridge Fuses
Why Choose Us?
Rich Experience
XC Electronics (Shenzhen) Corp. Ltd is a leading industrial manufacturer that develops and manufactures all kinds of fuse and thermostat since 2002. The Hong Kong company named XGH ELETRIC COMPANY was founded in 1996.
Wide Range of Products
The products ranges miniature fuses, micro fuses, SMD fuses, power fuse, plug fuse, high voltage fuse, blade fuse, fuse holders, thermostat and thermal sensors for circuit protection and thermal protection solutions.
Professional Team
We have a stable R&D team with 30 people, each with more than 5 years' work experience. They can independent research and develop products and equipment.
Professional Team
With vertically integrated manufacturing facilities certified TS16949, ISO9001, and ISO14001, All the products are lead-free that complies with RoHS Directive and REACH regulations. The products are extensively certified by CCC, VDE, cULus, PSE, KC, TÜV, CQC, ect.
What Is Cartridge Fuse
A cartridge fuse is a cylinder shaped fuse with either metal caps (ferrules) or blade contact points, at both ends. The contact points are connected by a fuse link, a length of material meant to melt, or sacrifice itself, in the event of an over-current event.
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How Does a Cartridge Fuse Work
All your fuses, including cartridge fuses are the weak link in your electrical circuit. A fuse comprises of a metal strip on the inside which is connected to the two metal ends on a fuse. In case of a short or electrical fault occurring in the electrical circuit and the circuit gets overloaded, the metal link will heat up and melt which will open up the circuit and result in shutting the power off. Once a fuse is blown, it will need to be replaced. When a cartridge fuse needs replacing, it must be replaced with the same type with the same voltage ratings and amperage.
Advantages OF Cartridge Fuses
The advantages of these fuses include the following:
● These are cheaper as compared with other types
● Easy to design and very simple
● Maintenance is not necessary
● High breaking capability
● The performance of this is consistent.
● Easy operation
● The inverse time characteristic is suitable for overload protection
Types of Cartridge Fuses
● Fast-acting fuses: These fuses are designed to quickly respond to overcurrent situations, offering immediate protection for sensitive electronic devices. Fast-acting fuses have a low melting point, which causes the filament to break rapidly when the current exceeds the fuse's rated value.
● Slow-blow fuses: Also known as time-delay fuses, slow-blow fuses are designed to withstand short bursts of overcurrent without breaking. This makes them suitable for applications where temporary overcurrents are common, such as in motors or transformers. The filament in slow-blow fuses has a higher melting point, allowing it to handle brief overloads without interrupting the circuit.
● High rupture capacity (HRC) fuses: HRC fuses are designed to handle high-voltage and high-current applications, offering superior protection for electrical equipment. They feature a special construction that allows them to safely interrupt high levels of fault current without producing harmful arc flash or other dangerous effects.
Components of a Cartridge Fuse
Brass cap
It is the part that covers the fuse.
The brass cap is usually found at the end of the fuse, where it is connected to a wire or a terminal. It not only protects the element inside of the fuse from damage but also helps in making a better connection between it and its respective wire.
Element
It has two main parts, which are:
The element has to be resistant to high temperatures, so ordinarily it's made out of an alloy of nickel and chromium called nichrome.
The element will heat up when current flows through it and melts the glass insulator that separates it from its cap.
The melting glass creates an electrical short circuit so that no more current can flow through the device. When this happens, you'll have to replace your cartridge fuse as it's now useless.
Glass insulator
This part of your cartridge fuse will protect your element from damage by keeping them separated even when they're heated up by an electrical overload. It is usually made out of a special type of glass that can withstand high temperatures.
Key Features of Cartridge Fuses
Replaceable: When a fuse blows, it needs to be replaced with a new one of the same rating. This ensures that the circuit remains protected and operates safely.
Fast-acting: Cartridge fuses are designed to react quickly, typically within milliseconds, preventing excessive damage to equipment or even fires.
Various Ratings: Fuses come in a wide range of current ratings, allowing for appropriate protection of diverse electrical loads.
Different Types: Cartridge fuses are available in several types.
Ferrule fuses: Featuring a metal cap on each end for easy insertion.
High-rupturing capacity (HRC) fuses: Designed to handle high fault currents.
Time-delay fuses: Allow for brief current surges without blowing, useful for applications like motors.
Common Applications for Cartridge Fuses
Cartridge fuses find application across a broad spectrum of industries and electrical systems, serving as essential components for safeguarding equipment and ensuring the reliability of electrical circuits. Here are some common applications where cartridge fuses are frequently utilized:
Residential Electrical Systems:
In homes, cartridge fuses are commonly employed to protect circuits supplying power to lighting fixtures, outlets, and household appliances. They provide reliable overcurrent protection, helping to prevent damage to electrical wiring and appliances in the event of a fault.
Commercial and Industrial Facilities:
Cartridge fuses are extensively used in commercial and industrial settings to protect electrical equipment, machinery, and infrastructure. They safeguard critical systems such as HVAC (Heating, Ventilation, and Air Conditioning), pumps, motors, control panels, and lighting circuits from overloads and short circuits.
Automotive Electrical Systems:
Cartridge fuses play a vital role in automotive electrical systems, protecting various circuits within vehicles from excessive current. They are commonly found in fuse boxes or panels in automobiles, ensuring the safe operation of components such as headlights, ignition systems, electronic control units (ECUs), and auxiliary power outlets.
Telecommunications and Data Centers:
In telecommunications facilities and data centers, cartridge fuses are utilized to protect sensitive electronic equipment, servers, and networking infrastructure. They help maintain uninterrupted operation by preventing damage caused by electrical faults or surges, thereby ensuring the reliability of communication and data processing systems.
What Is the Importance of Cartridge Fuse
Cartridge fuses are a type of fast safety device used in electrical systems to protect cables, power lines, and equipment from overloads and short circuits. A cartridge fuse's primary function is to protect systems and human life. Ceramic, porcelain, or glass is used to make cartridge fuses.
It is made up of a glass tube with a thin fuse wire sealed inside. At each end of the glass tube, there are two metal caps. Furthermore, the fuse's two ends are connected to the metal caps. These metal caps are used to connect the fuse to the circuit in a suitable bracket.
Common Issues with Cartridge Fuses
Cartridge fuses play a crucial role in the electrical systems of locomotive engines. They are responsible for protecting the circuits from overcurrent and preventing damage to the equipment. However, like any other component, cartridge fuses can experience certain issues that need to be addressed promptly. Here are some common issues that can arise with cartridge fuses and simple troubleshooting tips to help resolve them.
Fuse blowing: One of the most common issues with cartridge fuses is when they blow or fail to operate properly. This can happen due to overcurrent or a short circuit. To troubleshoot this issue, start by checking if the fuse is correctly rated for the circuit. If it is, then there may be a problem with the equipment connected to the circuit, such as a faulty motor or a short-circuited wire. Inspect and repair or replace the faulty component to prevent the fuse from blowing again.
Loose connection: Another issue that can occur is a loose connection between the fuse and the fuse holder. A loose connection can lead to arcing, overheating, and eventual failure of the fuse. To address this issue, ensure that the fuse is properly seated in the fuse holder. If necessary, clean the contacts and tighten the connection to ensure a secure fit.
Corrosion: Over time, corrosion can accumulate on the contacts of cartridge fuses, leading to increased resistance and reduced electrical conductivity. This can result in overheating and premature failure of the fuse. It is important to regularly inspect the fuse contacts and clean off any corrosion using a suitable contact cleaner or a fine-grit sandpaper. Ensure that the contacts are free of dirt, dust, and moisture for optimal performance.
Cartridge Fuse Ratings
Cartridge fuses have both a continuous rating and a blow rating.
The continuous rating is the rating at which a current will continuously pass through without blowing. Due to surges in the current it is important that the continuous current does not exceed ~75% of the cartridge fuses blow rating, otherwise the cartridge fuse may blow needlessly.
The blow rating is the current that the cartridge fuse will blow at. Needless to say, the blow rating should be higher than the continuous rating and a factor of two is often applied. Therefore, a cartridge fuse with a 10A continuous rating would have a 20A blow rating.
Cartridge fuses should always be replaced like for like. Replacing a cartridge fuse with a higher blow rating can seriously compromise a circuit and can lead to a high risk of electrical fire due to component failure. Therefore care should always be taken when replacing cartridge fuses within a circuit.
How Are Cartridge Fuses Made
The cartridge fuse includes a tubular insulating body having an opening at each of its ends, a ferrule terminal secured to each end of the insulating body, and a fusible strip supported within the body having its ends soldered or otherwise appropriately bonded to the ferrule terminals.
Each of the ferrule terminals is integrally formed from a tube of conductive material including an expanded ferrule cap portion at one end of the tube sized to fit over its respective end of the insulating body, and a flattened terminal portion at the other end of the tube forming a knife-blade terminal for the fuse. Additionally, a V shaped notch is formed in the interior of each of the ferrule cap portions which serves to retain or contain the molten solder which ultimately bonds the fusible strip to the ferrule terminals during assembly of the fuse.
The terminal portion of each of the ferrule terminals is initially only partially flattened to form a passage extending through the terminal. These passages are sized to receive the ends of the fusible strip to accommodate securing the fusible strip to the ferrule terminals by inserting eeach of the ends into one of the passages and flattening the terminal portions to firmly clamp the ends of the strip within the passages. Then, to further assure the integrity of the electrical connection between the fusible strip and the ferrule terminals, molten solder is injected into the outer ends of the flattened passages.
Our Factory
XC Electronics (Shenzhen) Corp. Ltd is a leading industrial manufacturer that develops and manufactures all kinds of fuse and thermostat since 2002. The Hong Kong company named XGH ELETRIC COMPANY was founded in 1996. The products ranges miniature fuses, micro fuses, SMD fuses, power fuse, plug fuse, high voltage fuse, blade fuse, fuse holders, thermostat and thermal sensors for circuit protection and thermal protection solutions that are widely used in powers, household appliances, lightings, batteries, new energy resources, automotive equipment, communications devices and computers.
Our Certificates
With vertically integrated manufacturing facilities certified TS16949, ISO9001, and ISO14001, All the products are lead-free that complies with RoHS Directive and REACH regulations. The products are extensively certified by CCC, VDE, cULus, PSE, KC, TÜV, CQC, ect.
FAQ
We're well-known as one of the leading cartridge fuses manufacturers and suppliers in China. If you're going to buy high quality cartridge fuses at competitive price, welcome to get more information from our factory.
medium voltage fuses, fuse blocks, commercial fuses