Bell alarm and lock-out for high ampere-rated circuit breakers

A combined bell alarm and lock-out accessory is connected with the electronic trip unit that controls a high ampere rated circuit breaker. The accessory interacts with the circuit breaker operating mechanism to activate the bell alarm upon circuit interruption and to prevent the closing of the circu...

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Bibliographische Detailangaben
Hauptverfasser: SINGER, PAUL H, RAJOTTE, PAUL T, POLLMAN, JOHN A, SEYMOUR, RAYMOND K
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A combined bell alarm and lock-out accessory is connected with the electronic trip unit that controls a high ampere rated circuit breaker. The accessory interacts with the circuit breaker operating mechanism to activate the bell alarm upon circuit interruption and to prevent the closing of the circuit breaker contacts until the accessory is manually reset.