1. Select the right seal grade
The level of IP protection is a very important factor in choosing a waterproof junction box
According to IEC-, ** Numbers of IP(Ingressprotection) grade represent the shell's ability to protect against intrusion of solid particles, while ** Numbers represent the shell's ability to protect against water droplets.
The waterproof cast aluminum terminal box has a complete IP rating of IP67 (Dengji Quan), which means that it can adapt to a more demanding environment.
IP rating to just for shell (deng ji zhi shi Dan chun zhen dui ke tilaiding) righteous, but the equipment after the installation should also reach the corresponding requirements, that is to say, if the waterproof junction box need to install the cable joint, the degree of protection should be higher than the body (on the market mainstream waterproof cable joint can reach the IP68 standard).
2. Choose the right size
Of course (Dangran), the choice of the correct size of the waterproof box is based on the size of the existing components and the location of the device to be placed.
However, we should also consider whether new components will be added in the future, and if so, whether it has enough space.
It should also be noted that the reference size provided by the junction box
supplier is external size or internal size.
It should also be noted that the installable space is usually smaller than the internal size provided.
3.Note what parts are included in the standard configuration of the product
Most manufacturers (especially domestic manufacturers) do not include standard parts in their product Numbers.
It is generally understood that a junction box consists of a box cover, a box body, a seal strip, and a box cover screw.
According to different needs, the manufacturer will also be equipped with optional accessories such as fixed wall hanging corner, installation floor, cable connector, etc.
In order not to cause trouble later, it is necessary to find out which parts are standard and which are optional accessories before ordering.
4.Set (_she) for a long-term working environment
Usually tong1 Chang2 says, only buy the right ones, not the expensive ones.
The price of waterproof junction boxes varies greatly depending on the material.
Before selecting the type, you should first make sure whether the equipment will work indoors or outdoors for a long time. If the former is the case, we recommend the ABS waterproof terminal box with relatively low price. ABS can meet the general needs of indoor environment with its excellent comprehensive performance (Yi Qi you liang DE zong he Xing Nengwanquan).
If the outdoor environment * good use of polycarbonate waterproof terminal box
, it has better weather resistance, heat resistance, flame retardant, anti-ULTRAVIOLET, anti-aging and other properties than ABS material products, of course, the price is also higher.
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