Plastich Door Exit Button Switches

详情

1.Electrificatioin parts adopt high quality material, good conductivity, low temperature rise, strong transmission performance, low resistance
2.Fire proof PC, high fire resistant, anti-high temperature, excellent insulated performance
3.Good electric performance, high dielectric intensity, high rigidity, anti-nick.
4.Mainly used to control doorbell: it has three connection end, they are normal open end (1), normal close end(2), common end(L)