Universal field convertible 3-wire switch

Details Universal field convertible 3-wire switch Universal field convertible 3-wire switch

1982-04-09

1984-11-13

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307127, 307296R, 328 26, H03K 1774, H03K 500

Patent

active

044828187

ABSTRACT:
A universal 3-wire switch module is provided for normally open and/or normally closed load control modes. The universal switch module is field convertible from P type DC to N type DC to P type AC to N type AC configurations as programmed by installation wire connection, without internal changes to the switch module. A single switch module replaces the prior dedicated switch modules used for the various configurations. The switch module is further characterized by its versatile application to a wide range of voltage.

REFERENCES:
patent: 2866909 (1958-12-01), Trousdale
patent: 3041475 (1962-06-01), Fisher, Jr.
patent: 3272991 (1966-09-01), Lutsch et al.
patent: 3699402 (1972-10-01), McCain et al.
patent: 3858057 (1974-12-01), Martins
patent: 4273039 (1966-09-01), Godshalk et al.

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