AUTOMATIC SWITCH FOR LOW VOLTAGE APPLICATION

摘要

An automatic low voltage switch comprising a case containing: a pair of poles, each one comprising a first contact and a second contact able to be connected/disconnected reciprocally with one another; an open/close kinematism operationally connected to said first and second poles to perform the connection/disconnection of said contacts; a first, a second, and a third protection device conceived to activate the release of the kinematism and the opening of the contacts following a corresponding first, second or third fault situation in an electrical installation associated with the switch; a connecting means that operationally connects the open/close kinematism to said first, second and third protection devices.