3546408

Information

• Patent Grant
• 3546408

• References
• Source

• Patent Number

  3,546,408

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  54 years ago

• CPC

  • H01H33/12 - Auxiliary contacts on to which the arc is transferred from the main contacts
  • H01H33/44 - Devices for ensuring operation of the switch at a predetermined point in the ac cycle
  • H01H33/86 - the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets