There are many types of switches, some of which can be used in many special situations because they contain special properties. For example, waterproof switches can be used in harsh environments. There are many brands producing this kind of switch on the market. When you choose, there are three details that can not be ignored.
Waterproofing class
Waterproof switch selection of the first thing to pay attention to is the waterproof level. The service life of the switch with different levels of waterproof performance is completely different. According to the IP waterproof level stipulated by the country can be divided into a number of different levels. Generally speaking, the number followed by the IP represents the waterproof level, the first number is from zero to six, the second is from zero to eight. Therefore, the higher waterproof level is IP68. 
Whether certified or not
This type of switch is a special type of switch, when choosing, we should pay attention to understand whether the selected brand or switch has passed the relevant certification. According to the relevant regulations, high-quality switch certification is required, such as the need to pass SGS certification or the EU ENEC certification, through the exclusive certification of switch quality and life are guaranteed. 
Whether it is suitable
The requirements for switches are different in different environments. When choosing this kind of switch, we should pay attention to understand the high temperature resistance and high current impact resistance of the switch, but also pay attention to whether the overall design is reasonable, whether it is suitable for the actual needs.
The above three aspects is the choice of waterproof switch needs to pay attention to the three details. Considering these three aspects, the switch selected can ensure its cost performance and quality. In order to avoid any aspect of negligence and affect the service life of the product and the safety of use.
