Arc-extinguishing device of AC contactor

The utility model discloses an arc control device for an AC contactor, comprising a moving contact, two U-shaped fixed contacts and arc-extinguishing mechanisms which are positioned on both sides of the moving contact. The arc control device for the AC contactor is characterized in that: a first arc...

Full description

Saved in:
Bibliographic Details
Main Authors HUANG ZHANGWU, DONG RENYONG, CHEN YANMING, GAO WENLE
Format Patent
LanguageChinese
English
Published 10.12.2008
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
Online AccessGet full text

Cover

More Information
Summary:The utility model discloses an arc control device for an AC contactor, comprising a moving contact, two U-shaped fixed contacts and arc-extinguishing mechanisms which are positioned on both sides of the moving contact. The arc control device for the AC contactor is characterized in that: a first arc striking piece used for increasing the magnetic field strength is arranged on the moving contact. The arc control device for the AC contactor can effectively increase the magnetic field strength, thereby increasing the movement velocity of electric arc and improving the arc-extinguishing effect.
Bibliography:Application Number: CN20072312254U