3761776

Information

• Patent Grant
• 3761776

• References
• Source

• Patent Number

  3,761,776

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1973
  51 years ago

• CPC

  • H01H71/123 - using a solid-state trip unit
  • H01H2071/006 - Provisions for user interfaces for electrical protection devices
  • H01H2071/084 - specially adapted for avoiding decalibration of trip unit
  • H01H2071/7472 - with antitamper means for avoiding unauthorised setting

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets