AUTOMATIC CIRCUIT BREAKER

AUTOMATIC CIRCUIT BREAKER

FIELD: electrical engineering; low-voltage (such as vacuum) circuit breakers. SUBSTANCE: circuit breaker designed for protecting electric circuits and for infrequent ON/OFF operations has contacts 1, double-arm lever 2, pawls 3 and 4 that function to disconnect circuit breaker from respective protec...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: VERPETA A.S
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:FIELD: electrical engineering; low-voltage (such as vacuum) circuit breakers. SUBSTANCE: circuit breaker designed for protecting electric circuits and for infrequent ON/OFF operations has contacts 1, double-arm lever 2, pawls 3 and 4 that function to disconnect circuit breaker from respective protected devices to which they were set in advance, rocker 5 ensuring desired pressure on pawls by varying relationship between its arms, pushrod of closing mechanism 7, and stop 8 placed on lever. EFFECT: improved reliability of circuit breaker, reduced size of final elements. 3 dwg