Magneto-thermal device for overcurrent relays

Details Magneto-thermal device for overcurrent relays Magneto-thermal device for overcurrent relays

1984-02-17

1985-08-13

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 45, 337 54, 337 75, H01H 7510

Patent

active

045353093

ABSTRACT:
The invention provides a magneto-thermal device for overcurrent relays.
The end of a core, whose axial position may be adjusted with respect to a mobile plate, placed opposite and pivoting about one end of the yoke, is secured against movement by a wedge which is guided in a groove belonging to a flange of the coil shell.
This device may be used in any thermal relay where a stable and precise adjustment of the tripping current threshold is desired.

REFERENCES:
patent: 1825312 (1931-09-01), Evans

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