Miniature circuit breaker

Miniature circuit breaker

  • CN 203,707,061 U
  • Filed: 10/27/2013
  • Issued: 07/09/2014
  • Est. Priority Date: 10/27/2013
  • Status: Active Grant
First Claim
Patent Images

1. a miniature circuit breaker, comprise housing and be arranged at the electromagnetic system in described housing, contact system and arc quenching system, outgoing line side current path is from the moving contact in described contact system (4), through the first wire (5), bimetal leaf (9), heating element (8) is connected to leading-out terminal binding post (7), it is characterized in that:

  • described miniature circuit breaker also comprises the second wire (6), one end of described the second wire (6) is connected to the weld zone at moving contact (4) back, the other end of described the second wire (6) is connected to described heating element (8), described heating element (8) is to extending laterally out welded plate (81), described welded plate (81) and the welding of described leading-out terminal binding post (7).

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