Current transformer arrangement for ground fault circuit interru

Details Current transformer arrangement for ground fault circuit interru Current transformer arrangement for ground fault circuit interru

1985-05-09

1986-11-18

Kozma, Thomas J.

Inductor devices

With mounting or supporting means

336 82, 336 92, 336174, 336229, H01F 1502, H01F 2730

Patent

active

046238654

ABSTRACT:
A sensing current transformer having a single turn primary winding for ground fault circuit interrupters and breakers utilizes a conductive post extending through the transformer metallic enclosure in combination with the conductive path across the metallic closure as the current sensing path. A four turn primary winding is provided by four metallic staples, each having one leg extending through the transformer aperture, for establishing four independent current sensing paths.

REFERENCES:
patent: 1199092 (1916-09-01), Mack
patent: 2829338 (1958-04-01), Lord
patent: 2862194 (1958-11-01), Coggeshall et al.
patent: 3020502 (1962-02-01), Graham
patent: 3353130 (1967-11-01), Silverstein
patent: 3629759 (1971-12-01), Douglas
patent: 4507709 (1985-03-01), Morris et al.

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