MOLDED CASE CIRCUIT BREAKER WITH AN IMPROVED ARC GAS EXTERNAL VENTING SYSTEM

The invention relates to a molded-case circuit breaker having improved means for venting gaseous arc products. The gas venting means comprise venting slots (412) formed through a wall of the circuit breaker housing, and one-way valves (410) positioned in the slots so as to pass gaseous arc products...

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Bibliographische Detailangaben
1. Verfasser: LEONE, DAVID ANTHONY
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a molded-case circuit breaker having improved means for venting gaseous arc products. The gas venting means comprise venting slots (412) formed through a wall of the circuit breaker housing, and one-way valves (410) positioned in the slots so as to pass gaseous arc products to be vented from the housing, and to prevent the ingress of contaminants from the ambient.