Characteristics And Advantages Of The Materials Of The Meter Box

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Each of us will use a meter box. What are the features of the meter box besides its high safety performance? The non-metallic meter box manufacturer tells you the characteristics and advantages of the meter box material:

1. Good electrical performance

The fiber-reinforced polyester materials used in the manufacture of electrical products have the following electrical properties:

Insulation resistance (soaked for 24h): 1.0x10 m Ω

Arc resistance: 180s

Anti leakage tracking index: ≥ 600V

The insulation protection and anti creepage indexes meet the relevant standards of DIN / VDE. Dongguan electric meter box production of this material not only has excellent electrical insulation of distribution box, Dongguan distribution equipment can also maintain good dielectric performance at high frequency, not subject to electromagnetic effect, not reflect electromagnetic wave. These properties are far better than those of non-metallic materials.

2. Chemical resistance

The fiber-reinforced polyester material of transparent meter box has good corrosion resistance characteristics of acid, alkali, salt, organic solvent and seawater of Dongguan Dingshun power distribution equipment Co., Ltd., while the metal material is not acid and seawater corrosion resistant.

3. Light and high strength

Specific strength and specific modulus is one of the indicators to measure the bearing capacity of materials. The specific modulus of fiber-reinforced polyester material for Dongguan power distribution equipment is equivalent to that of steel, but its specific strength can reach 4 times of that of steel.

4. Notch sensitivity

When the components are overloaded and a small amount of fiber breaks, the production load of the meter box is rapidly distributed on the undamaged fiber to reach the mechanical balance again. This is not comparable with metal components.

5. Good fatigue resistance

The tensile strength of fiber-reinforced polyester material is slightly better than that of steel, and the fatigue resistance limit of steel and most metal materials is 40% - 50% of its tensile strength. The fatigue resistance limit of fiber-reinforced composite material produced by professional power distribution equipment is generally higher than this value, and the highest can reach 70% - 80%.

6. Low thermal conductivity and small expansion coefficient

When there is a temperature difference, the thermal stress is much smaller than that of metal.

7. Excellent UV resistance and aging resistance.

In non-metallic materials, fiber reinforced polyester materials have excellent anti-aging properties. After aging tests, it is shown that the maximum aging thickness is 20 years less than 50 m for different climatic zones. The minimum thickness of most boxes is 5mm, less than 1% of the box thickness, so there is no obvious impact on the mechanical properties of the box. The company has adopted a special UV resistant surface treatment process to enhance its aging resistance.

8. Low thermal conductivity and small expansion coefficient

When there is a temperature difference, the thermal stress is much smaller than that of metal.

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