Switching contactor

摘要

A switching electrical power contactor having a bi-blade type switch, has ferrous plates attached to the blades to increase the current carrying capacity and reduce the resistance of the switch. The contactor is incorporated on the outside of a mains meter enclosure or in a wall box for a mains meter, within the space defined by the sprung jaws of the meter socket.

主权项

1. A meter and contactor assembly, comprising:
a 2-phase mains meter; a meter enclosure accommodating the mains meter; and a 2-pole power contactor, having two switches connected between four terminals for switching the current in the two phases, wherein the meter has four meter terminals, a first two meter terminals are in the form of stabs which extend through a rear wall of the enclosure and arranged to be inserted in a plug-in terminal block of a wall box, and the contactor is fitted to an outer surface on the rear wall of the enclosure and disposed within a space defined by the terminals of the terminal block, a first two contactor terminals being in the form of stabs arranged to be inserted in respective terminals of the terminal block, a second two terminals of the contactor being connected to a second two terminals of the meter; and wherein said contactor comprises a pair of bi-blade movable arms extending from a movable terminal.