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Circuitbreaker.jpg (250 × 285 pixels, file size: 16 KB, MIME type: image/jpeg)

Summary

Description
English: photo of inside of a Dorman Smith circuit breaker:
  1. Actuator lever - used to manually trip and reset the circuit breaker. Also indicates the status of the circuit breaker (On or Off/tripped). Most breakers are designed so they can still trip even if the lever is held or locked in the "on" position. This is sometimes referred to as "free trip" or "positive trip" operation.
  2. Actuator mechanism - forces the contacts together or apart.
  3. Contacts - Allow current when touching and break the current when moved apart.
  4. Terminals
  5. Bimetallic strip
  6. Calibration screw - allows the manufacturer to precisely adjust the trip current of the device after assembly.
  7. Solenoid
  8. Arc divider / extinguisher
Eesti: 1:
  1. lüliti hoob
  2. lülitimehaanika
  3. jõukontaktid
  4. ühendusklemmid
  5. bimetallvabasti
  6. reguleerimiskruvi
  7. elektromagnetvabasti
  8. kaarekustutuskamber
Deutsch: Abbildung eines geöffneten Leitungsschutzschalter:
  1. Schalthebel zum manuellen Ein- und Ausschalten. Umfasst auch die optische Anzeige des Schaltzustandes
  2. Freiauslösung
  3. Schaltkontakt
  4. Anschlussklemmen
  5. Bimetallstreifen zur thermischen bedingten Überlastauslösung
  6. Kalibrierungsschraube, welche herstellerseitig zur Festlegung des thermischen Abschaltverhalten verwendet wird (Teil der Charakteristik).
  7. Spule zur elektromagnetischen Auslösung für hohe Ströme, typischerweise Kurzschlussströme
  8. Löschkammer zur Lichtbogenlöschung bei Trennung eines Kurzschlussstromes. Der Lichtbogen wandert thermisch bedingt von den öffnenden Schaltkontakt (3) in den Bereich der Löschkammer, wo er durch die Aufteilung und Kühlung erlischt
Français : éclaté d'un disjoncteur :
  1. Manette servant à couper ou à réarmer le disjoncteur manuellement. Elle indique également l'état du disjoncteur (ouvert ou fermé). La plupart des disjoncteurs sont conçus pour pouvoir disjoncter même si la manette est maintenue manuellement en position fermée ;
  2. Mécanisme lié à la manette, sépare ou approche les contacts ;
  3. Contacts permettant au courant de passer lorsqu'ils se touchent ;
  4. Connecteurs ;
  5. Bilame (2 lames soudées à coefficients de dilatation différents) : relais thermique (protection contre les surcharges) ;
  6. Vis de calibration, permet au fabricant d'ajuster la consigne de courant avec précision après assemblage ;
  7. Bobine ou solénoïde : relais magnétique (protection contre les courts-circuits) ;
  8. Chambre de coupure de l'arc électrique.
Date 11:20, 17 Jul 2004 (UTC)
Source from en wikipedia
Author Ali@gwc.org.uk
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Date/TimeThumbnailDimensionsUserComment
current00:56, 26 July 2005Thumbnail for version as of 00:56, 26 July 2005250 × 285 (16 KB)Matanya (usurped)from en wikipedia. photo of inside of a Dorman Smith circuit breaker Photograph taken and annotated by me (--Ali@gwc.org.uk 11:20, 17 Jul 2004 (UTC)) {{cc-by-sa-2.5}} category:Switches [[category:Electricity distribution

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