FUSE
Our goal is to become your true partner in the field of fuse China. Changsong Cowns modern R&D center for developing electric products with full-line of high-tech moulding, manufacturing equipment and great strength of technical support, besides advanced design forces powered by first class engineering teams with super industrial computer systems. In order to keep the leadship in electrical industry, Changsong continuous increase and update manufacturing facilities, keep improving techniques and adopting the most advanced inspect instrument.
Why choose us
Product Application
Our products include circuit breakers, switchboards, AC contactors, meters, relays, fuses, control units, etc. These products are widely used in various important places where power outages are not allowed, such as high-rise buildings, residential areas, hospitals, airports, docks, fire protection, metallurgy, chemical industry, textiles, etc.
Product Market
Changsong has obtained ISO9001 quality system certification, ISO14001, OHSAS18001, CB certification; SEMKO and CE certification, etc.
Fast Delivery
We ensure complete packaging, ensure product quality, and transport the products to the destination at the first time.
Our Service
During the order production process, customers can communicate with us at any time to understand the production progress. At the same time, we provide high-quality after-sales service to meet the different needs of customers.
Advantages of FUSE
Effective Solution For Protection
The entire invention of the fuse was based on providing a simple and effective way of protecting against fire hazards life overcurrent, heating, and short circuit. Since a lot of households and commercial users mentioned the fires caused due to the outbreak of the overcurrent and heating, the fuse acts as a barrier that breaks the circuit and reduces the chances of fires and breakage.
Economical And Easy To Handle And Change
Imagine your electronic device getting short-circuit and damaged due to fire. Add to that the chances of getting your home or office caught in the fire. That would be devastating and a huge loss of wealth and income.
Easy Maintenance
Fuses are easy to maintain and can be handled with ease. The way fuse is set up they are easy to install and take it out in the time of need. It makes it a lot convenient for the running and maintenance part allowing users to simply swap in and out when required without any need of qualified personnel.
Doesn’t Create Smoke Or Flame
When other normal fire protection hazards work, they tend to cause alarms, smoke, or even gas at times. With a fuse though, there’s no such case of smoke, noise, gas, or flame and it can simply stop the hazard without causing any disturbance to the house or the individuals residing within
Fuse Inverse Time-current Characteristic
Fuse has the inverse time-current characteristic that allows it to make suitable overload protection. It works in the mechanism where when the current flowing through the fuse increases, the chances for the fuse to blow and disconnect the circuit decreases.
Fuses are widely used in various applications due to their simplicity and reliability. They are essential in protecting home appliances, low and moderate voltage devices, and electrical systems from overcurrent and short circuits. Fuses also play a critical role in safeguarding cables, power circuits, and transformers.
Different Types of Fuses
01
AC Types of Fuses
The AC fuse is slighter in size when compared with DC fuses and they have an oscillation of nearly 50 to 60 times in each and every sec from least to highest. As a result, there is no chance of an electric arc generation between the molten wires. For this reason, they can be crammed in small sizes. Further, AC fuses are classified into two parts namely HV fuses and LV fuses. Here LV& HV indicates the low voltage and high voltage.
02
LV Fuses
The low voltage fuses are divided into five types and those are of the rewirable, cartridge, drop out, striker, and switch fuses.
03
Rewirable Types of Fuses
Rewirable fuses come under the classification of LV fuses, and those are almost used in small applications such as wiring in the house, small-scale industries, and other tiny current applications. These types of fuses include two essential parts where those are a fuse base, which has two terminals like in and out. In general, this element is fabricated with Porcelain. Another part of this fuse is a fuse carrier, which grips the fuse element.
How are Fuses Made
Raw Materials
The materials used for making fuses include conductive metals like copper and silver, as well as insulating materials like ceramics and glass. These materials are sourced from various suppliers and undergo thorough testing to ensure their quality and suitability for fuse production.
Forming the Conductive Element
The conductive metal is flattened and cut into the desired shape for the fuse element, which is typically a wire or ribbon-like structure. The shape and dimensions of the element are critical to ensuring proper fuse performance.
Creating the Fuse Body
The insulating material is molded into the required shape and size to contain the conductive element. This can be a cylindrical or rectangular shape, depending on the fuse type.
Assembly
The conductive element is inserted into the fuse body and secured in place. This step may also involve adding additional components, like terminals or mounting brackets.
Testing
The completed fuse undergoes rigorous testing to ensure it meets performance standards, including testing for rated voltage, current rating, and breaking capacity. This step is critical to ensuring that the fuse will function as intended, protecting the electrical system from damage or failure.
Packaging and Distribution
The finished fuses are packaged and shipped to distributors and customers for use in a wide range of applications, from consumer electronics to industrial equipment.
Maintenance Fuse
Voltage checks across the fuse. Infrared scan of all connections, cables and connectors. Never tighten connections while energized
Resistance check of fuse element (should be less than 100 ohms). Insulation resistance of fuse (should be more than 1 Mega ohms). Resistance measurement through connections. Visual inspection for corrosion, discoloration and deterioration. Fitting check of all connections. Replace any connector which requires tightening instead of tightening it.