For identifying the apparatus and method of the control mode of voltage trip formula or current-release formula switchgear

For identifying the apparatus and method of the control mode of voltage trip formula or current-release formula switchgear

  • CN 101,681,742 B
  • Filed: 04/12/2008
  • Issued: 03/02/2016
  • Est. Priority Date: 06/04/2007
  • Status: Active Grant
First Claim
Patent Images

1. the device (1) for the control mode of the voltage trip device or current release that identify voltage trip formula or current-release formula switchgear, comprise at least one control unit (10), it is characterized in that, this control unit has just two control input ends (12,14);

  • Be provided with for identification control unit (10,11) at least one control input end (12,14) signal supervisory instrument (10 of the signal condition on,

         11) with for when in any one control input end (12,14) another control input end (14 corresponding is made when there is control signal on,

         12) device (134,142,145) ended.

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