High-speed current-limiting device having a contact reclosing re

Details High-speed current-limiting device having a contact reclosing re High-speed current-limiting device having a contact reclosing re

1977-05-06

1978-10-03

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

335 16, 335174, H01H 7510

Patent

active

041186818

ABSTRACT:
Current-limiting device having a movable contact vigorously moved in the open circuit position by an electromagnetic repulsion device at the appearance of a short-circuit current. A retarding member is mechanically linked to the movable contact to delay the reclosing of the contact and to prevent a reclosing before tripping of the circuit breaker.

REFERENCES:
patent: 4013984 (1977-03-01), Wafer
patent: 4025883 (1977-05-01), Slade et al.

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