QKW1，QKW5，S826，S847，S800，S804，S820，S307
snap-action switch with positive opening operation for the nc contact. the mechanism will open the contact regardless of spring failure or contact welding due to a short-circuit.
features
1、disconnect the institution of a mandatory
2、 with maximum sustained current of 16a
3、mechanical life of 3 million times
4、self-purification function of contact
5、double-pass off, electricity and isolated contacts
6、permanent magnet interrupter device
7、flat shape can be ordered to install
8、transparent shell
