VORRICHTUNG GEGEN DIE VERMINDERUNG DER KALIBRIERUNG IN FOLGE DER VERWENDUNG EINES HILFSSCHALTERS

VORRICHTUNG GEGEN DIE VERMINDERUNG DER KALIBRIERUNG IN FOLGE DER VERWENDUNG EINES HILFSSCHALTERS

The thermal trip device of the multipole circuit-breaker (11) requires readjustment after the introduction of an auxiliary device such as a differential protection device (10) with an actuator (12) aligned with a receiver (13). Electrical coupling is provided by conductors (15) extending laterally f...

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Bibliographische Detailangaben
Hauptverfasser: LEBOUC, DIDIER, BONNIAU, MICHEL, DELL'OVA, MICHEL, CAIRE, JEAN
Format: Patent
Sprache:ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:The thermal trip device of the multipole circuit-breaker (11) requires readjustment after the introduction of an auxiliary device such as a differential protection device (10) with an actuator (12) aligned with a receiver (13). Electrical coupling is provided by conductors (15) extending laterally from the base of the auxiliary with elbowed branches for connection to the circuit-breaker poles. Automatic readjustment is effected by a bar (17) with a return spring (19) and raised portions (17a-17d) which impinge upon the bimetallic strips (16a-16d) of the separate poles.