Load protecting fuse for incorrectly poled supply - is located between earth and neutral line coupled to load

The fuse is incorporated into the neutral line between the load (22) and the d.c. supply (17) i.e. the neutral line (14) in the supply is connected via an earthed lead to the neutral line (20) of the load. The latter line is earthed via the fuse (23). The load is connected to one end to the live lin...

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Bibliographische Detailangaben
Hauptverfasser:	NEUHAUS,DIETER, JESSE,ERICH, RUF,WALTER, ROTH,HELMUT, SOEHNER,GERHARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SWITCHES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY EMERGENCY PROTECTIVE DEVICES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	The fuse is incorporated into the neutral line between the load (22) and the d.c. supply (17) i.e. the neutral line (14) in the supply is connected via an earthed lead to the neutral line (20) of the load. The latter line is earthed via the fuse (23). The load is connected to one end to the live line, and at the other to the neutral line from the supply. If the two supply leads are connected the wrong way round to the load unit terminals, the fuse blows, but the load remains unaffected. The fuse may be a conducting path on a normal printed circuit board.