ELECTRICAL SWITCHING APPARATUS AND RELAY INCLUDING A FERROMAGNETIC OR MAGNETIC ARMATURE HAVING A TAPERED PORTION

An electrical switching apparatus (2;50;90;100) includes a ferromagnetic frame (8) having first (110) and opposite second (112) portions, a ferromagnetic core (33) disposed therebetween, a permanent magnet (12) disposed on the first portion, a first tapered portion (113) on the opposite second porti...

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Bibliographische Detailangaben

Hauptverfasser:	BENSHOFF, RICHARD G, MILLS, PATRICK W, MCCORMICK, JAMES M, INNES, ROBERT J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES INDUCTANCES MAGNETS RELAYS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SELECTORS TRANSFORMERS
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