Ceramic Square Body For Fuse NH0
What is an NH0 fuse? What are the performance requirements of the NH0 fuse ceramic body?
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Product Introduction
Ceramic Square Body is made of alumina with following characteristics:
High elasticity, corrosion resistance, wear resistance, impact resistance, high strength, high sealing performance, long life.It is suitable for fuse body.
| Category | Item | Parameters |
|
Physical Properties |
Material | Al2O3 99% |
| Molding | ||
| Size | as customer drawings | |
| Bulk density | 3.70-3.75 g/cm3 | |
| Water absorption | 0% | |
|
Mechanical Properties |
Bending strength (Mpa) |
310 |
| Elastic Modulus (Gpa) | 310 | |
| Hardness (Gpa) |
12.9 |
|
| Poisson's ratio | 0.23 | |
|
Thermal Characteristics |
Average Linear Thermal Expansion Coefficient （X10-6/K） | 7.2 |
| Thermal Conductivity(20°C) W（m*k） | 23 | |
|
Electrical Properties |
Dielectric constant | 9.2 |
| Dielectric strength X 106（V/M） | 15 |
What is an NH0 fuse?
What are the performance requirements of the NH0 fuse ceramic body?
An NH0 fuse is a type of NH fuse that has a specific rated current and breaking capacity. It is commonly used in electrical systems with lower power requirements, such as small motors, lighting circuits, and control systems. The "0" in the NH0 designation refers to the fact that it has the lowest breaking capacity of all the NH fuse sizes.
The performance requirements of the NH0 fuse ceramic body are defined by international standards such as IEC 60269-1 and DIN VDE 0636. These standards specify the following performance characteristics for NH fuse ceramic bodies:
1-Electrical insulation: The NH0 fuse ceramic body must provide high electrical insulation properties to ensure proper operation and safety of the electrical system.
2-Mechanical strength: The NH0 fuse ceramic body must be mechanically strong enough to withstand the forces generated during the operation of the fuse.
3-High-temperature performance: The NH0 fuse ceramic body must be able to withstand high temperatures without degrading or losing its mechanical or electrical properties.
4-Resistance to thermal shock: The NH0 fuse ceramic body must be able to resist thermal shock, which occurs when a sudden change in temperature causes the material to expand or contract rapidly.
5-Chemical resistance: The NH0 fuse ceramic body must be able to resist chemical corrosion from the environment and from any materials that may come into contact with it.
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