Modular current transformer for electronic circuit interrupters

Details Modular current transformer for electronic circuit interrupters Modular current transformer for electronic circuit interrupters

1994-12-19

1996-12-10

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361115, 336131, 336196, 336221, H02H 300, H01F 2106

Patent

active

055837328

ABSTRACT:
A modular current transformer containing both air and metal cores on a common load strap provides sensing current to the electronic trip unit within the circuit interrupter along with supplying operating power to the trip unit components.

REFERENCES:
patent: 3846675 (1974-11-01), Shimp
patent: 4297741 (1981-10-01), Howell
patent: 4591942 (1986-05-01), Willard et al.
patent: 4672501 (1987-06-01), Bilac et al.
patent: 4734975 (1988-04-01), Ballard et al.
patent: 4796148 (1989-01-01), Ruta
patent: 4937757 (1990-06-01), Dougherty
patent: 5204798 (1993-04-01), Scott
patent: 5231378 (1994-06-01), Ferullo et al.
patent: 5302786 (1994-04-01), Rosen et al.
patent: 5359314 (1994-10-01), McQuay et al.

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