There are different classification methods for aviation sockets. According to the use, it is divided into cabinet aviation sockets, audio equipment aviation sockets, power supply aviation sockets, special-purpose aviation sockets, etc. According to frequency, it is divided into high-frequency aviation sockets and low-frequency aviation plugs and sockets; according to the shape, there are circular aviation plugs and sockets. How to choose the right aviation socket correctly? The aviation socket is an electromechanical component connected to the circuit, so the electrical parameters of industrial equipment mainly include rated voltage, rated current, withstand voltage, contact resistance, mechanical life, working temperature, flame retardancy, protection level, etc. The electrical parameters of the aviation socket itself are the first issues to be considered. 1. The rated voltage is also called the working voltage. When it is lower than the rated voltage, it mainly depends on the insulating material used in the aviation socket and the distance between the contact pairs. Usually behaves normally. 2. The rated current is also called the working current. Like the rated voltage, when the current is lower than the rated current, the aviation plug and socket can generally work normally. Excessive current will lead to short circuit, please pay special attention. 3. Withstanding voltage Withstanding voltage refers to the fact that between the mutually insulating parts of the contact pair, no damage occurs within a specified time, and it can withstand a critical voltage higher than the rated voltage. Or between the insulating part and the ground, that is, the peak value of the instantaneous voltage that the product can withstand. If this voltage is exceeded, the machine will be damaged. 4. Contact resistance refers to the resistance produced by two contact conductors in the contact part. 5. Mechanical life, that is, the number of times the aviation socket can be continuously plugged and unplugged. The more times, the better the performance, usually 500--1000 times. 6. The working temperature is the temperature range in which the product can be used normally, generally -40--80. Within this temperature range, the equipment can work normally. 7. Any aviation socket cannot cut off the current when it is working, there is a danger of fire. Therefore, aviation plugs and sockets are not only required to be able to prevent fire, but also require self-destruction in a short period of time once a fire occurs. Please pay attention to the selection of aviation sockets that use flame-retardant, self-extinguishing insulating materials. 8. Aviation sockets are generally divided into non-waterproof IP44 and waterproof IP65 or IP67 according to the use environment, and there are waterproof or non-waterproof requirements for the protection level.

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