Modular current transformer for electronic circuit interrupters

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

1996-10-24

1998-06-30

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

Patent

active

057743207

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. The current sensing coil is arranged concentricity within the transformer core while the power generating coil is arranged concentricity outside the core.

REFERENCES:
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patent: 5359314 (1994-10-01), McQuay et al.
patent: 5583732 (1996-12-01), Seymour et al.
U.S. application No. 08/358,493, Seymour et al., filed Dec. 19, 1994.

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