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US 9,318,289 B2Granted
Switching contactor
AssigneeJohnson Electric International (UK) Limited
InventorRichard Anthony Connell
Life of this patent
Estimating the term…
Abstract
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.
Claims19
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 first terminal, a second terminal, a pair of movable arms having outer faces and connected to at least one of said first and second terminals, and ferrous plates attached to said outer faces of the pair of movable arms.
4 more elements
A wall box and contactor assembly for a mains meter, comprising:
- a housing;
- a terminal block having plug-in terminals arranged to receive terminal stabs from a plug-in mains meter;
- and
- a contactor fitted to the housing and connected to the terminal block, the contactor being disposed within a space defined by the plug-in terminals of the terminal block arranged to receive the terminal stabs of the mains meter;
- wherein said contactor comprises a first terminal, a second terminal, a pair of movable arms having outer faces and connected to at least one of said first and second terminals, and ferrous plates attached to said outer faces of the pair of movable arms.
2 more elements
Dependencies are inferred from the claim text.