display apparatus of novel earthing fault breaker

display apparatus of novel earthing fault breaker

  • CN 101,118,820 A
  • Filed: 08/03/2006
  • Published: 02/06/2008
  • Est. Priority Date: 08/03/2006
  • Status: Active Application
First Claim
Patent Images

1. the display unit of a novel earthing fault breaker, only use a light-emitting diode, just can correctly observably show ground-fault interrupter operate as normal, open circuit, three different operating states of life termination so that the prompting people correctly use ground-fault interrupter.

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