Safety switches type 95, 105, 106 y 107 have two parts, the contact and the contact plug. In contacts type 95 and 105 the contact plug enters into the contact to close the electric circuit, and in type 106 and 107 contacts, the contact plug is a flat metal surface with which the two protruding parts of the contact makes contact and closes the electric circuit.
All the contacts are self-cleaning start up with bimetal Ag. Sn. 90/10 rivets.
Type 628 is a magnetically held double contact to adapt to manual lift car doors, maintains them closed, and electrically indicates that they are closed.