The general waterproof junction box mainly plays the role of protecting and connecting the wires, and the most important point of the junction box is to be waterproof, so as to avoid accidents and cause unpredictable losses. So how do you choose a reliable junction box? Next, let the editor focus on several issues that should be paid attention to when choosing a waterproof junction box:
1. Use environment: The price of waterproof junction box varies greatly depending on the material. Before selecting the model, you should find out whether the equipment is working indoors or outdoors for a long time. If it is indoors, we recommend the relatively low-priced ABS waterproof junction box. ABS can fully meet the general indoor needs with its excellent comprehensive performance; if it is outdoor Using polyester waterproof junction box, it has better weather resistance, heat resistance, flame retardancy, anti-ultraviolet, anti-aging performance than ABS material products.
2. Product materials: Waterproof junction boxes are mainly used in relatively harsh environments. The impact resistance, load strength, insulation, non-toxicity and aging resistance of the material should be considered when purchasing.
3. IP rating: When purchasing a waterproof junction box, the IP protection rating is a very important factor. The first number of the IP rating is the shell's ability to resist the intrusion of solid particles, and the second number indicates the shell's ability to protect against water droplets. The IP rating of the waterproof junction box can be as high as IP68, which means that it can adapt to more demanding environments.
4. Product size: Choosing the correct size of the waterproof box is first determined based on the size of the existing components and the location of the equipment. At the same time, we should also consider whether new components will be added in the future, and if so, whether his space is sufficient. Also note that the installable space is usually smaller than the internal dimensions provided. It should also be noted whether the reference size provided by the junction box supplier is the external size or the internal size.
5. Product accessories: Generally we understand that a junction box contains a box cover, a box body, a sealing strip and a box cover screw. According to different needs, the manufacturer will also equip optional accessories such as wall fixing angles, installation floors, and cable joints. In order not to cause trouble afterwards, it is very necessary to figure out which are standard parts and which are optional accessories before ordering.
