Circuit interrupter trip unit

Details Circuit interrupter trip unit Circuit interrupter trip unit

1980-01-16

1982-01-26

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335176, H01H 7510, H01H 7706, H01H 8104

Patent

active

043130984

ABSTRACT:
A circuit interrupter trip unit characterized by a magnetic sensing and tripping device having improved means for adjusting between maximum and minimum air gaps between a magnet and armature for specific trip currents.

REFERENCES:
patent: 3797007 (1974-03-01), Salvati et al.
patent: 3806847 (1974-04-01), Salvati
patent: 3845432 (1974-10-01), Heberlein, Jr. et al.
patent: 4074218 (1978-02-01), Salvati et al.

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