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Do you understand the advantages of electric meter boxes?

2025-04-03

The electric meter box is an indispensable part of the power system, which is mainly used for electric energy measurement and distribution. The material of the meter box directly affects its safety, reliability and service life. Since the electric meter box is so easy to use, do you know what its advantages are?
1, good electrical performance
Fiber reinforced polyester materials used in the manufacture of electrical products have the following electrical properties. Insulation resistance (immersed 24h) 1.0x10 M. Arc resistance: 180s. Anti-leakage index 600v. Insulation protection and anti-leakage distance indicators comply with DIN/VDE standards. The material not only has excellent electrical insulation, but also can maintain good dielectric properties at high frequencies, and is not subject to electromagnetic action and does not reflect electromagnetic waves. These properties can be compared with non-metallic materials.
2, chemical corrosion resistance
Fiber reinforced polyester materials have excellent corrosion resistance to acid, dilute alkali, salt, organic solvents, seawater and other corrosion characteristics, but metal materials are not acid resistant, seawater corrosion resistance.
3, light and high strength
Specific strength and specific elastic modulus are one of the indexes to measure the bearing capacity of materials. The specific elastic modulus of fiber reinforced polyester materials is equivalent to that of steel, but its specific strength can reach 4 times that of steel.
4, good fatigue resistance
The tensile strength of fiber reinforced polyester materials is slightly better than that of steel, steel and most metal materials fatigue limit is 40%-50% of the tensile strength, but the fatigue limit of fiber reinforced composite materials is generally higher than this value, up to 70%-80%.
5. Sensitivity
When the member is overloaded and a small number of fibers break, the load is quickly distributed to the undamaged fibers, again achieving mechanical equilibrium. That's something metal parts can't match.
6, low thermal conductivity, small expansion coefficient
When there is a temperature difference, the thermal stress is much smaller than that of metals.
7, excellent anti-ultraviolet aging performance
Among non-metallic materials, fiber reinforced polyester materials have good anti-aging properties. The anti-aging performance test shows that the climate zone of different use sites is different, and the maximum aging thickness of the surface is less than 50m for 20 years. The minimum thickness of most shells is 5mm, less than 1% of the thickness of the shell, so it does not have a large impact on the mechanical properties of the shell. The company uses special UV-resistant surface treatment technology to further enhance aging resistance.
8, long life
The history of use in Europe can prove that its life is at least 20 years or more; The simulated aging test results show that the life span is more than 20 years, which is far longer than traditional materials such as metals. Some companies that make pipes from this material claim a lifetime of 50 years.