FILN KCD3 mainly tests the number of opening and closing until it is damaged. If it is not manually used, a small motor can be used to drive the eccentric opening and closing switch, and the number of times is recorded with a counter. This switch requires safety certification is necessary. If the product is sold in China, use CQC. If it is sold abroad, it depends on the specific country where it is sold, such as the United States UL, Canada CUL, and European countries have VDE, ENEC, TUV and other safety certifications.
Single pole single throw: 1 moving contact and 1 static contact. Only 1 channel. Single pole double throw: 1 moving contact and 2 static contacts, (the static contacts on both sides can be connected respectively) double pole single throw, 2 moving contacts and 2 static contacts, with 2 channels. Double pole double throw, 2 moving contacts and 4 static contacts, 4 channels (can be connected to 2 static contacts on both sides). Classification of rocker switches: KCD1 series rocker switches, KCD2 series rocker switches, KCD4 series rocker switches, KCD5 series rocker switches.