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保险丝常见技术参数专业术语解释
发布日期:2015-08-06

我们在保险丝的选用法则上,除了参考我们最常用的额定电流、额定电压、分段电流,以及温升测试、过载测试和分段测试之外,还会用到以下术语,瑞卓为您列出仅供您在保险丝专业知识的认知上更进一步,帮助您进行更精准的保险丝选型:

 

Fuse Characteristics:

 

  aM Motor-Start or a Time-Delay to allow for motor surge start-up
  aR Semiconductor protection partial range breaking capacity
  F Fast-acting  fast-blow
  FF Fast-fast very fast
  Flink Fast-acting fast-blow
  gG General purpose
  gL General purpose
  gR Semiconductor protection current-limiting
  gT Transformer
  HRC High rupturing capacity
  M Medium-delay time-lag
  M Motor-start
  PTC Resettable fuse to 60V and 11A current-limiting
  SF Super-flink fast-fast
  T Time-delay slow-acting slow-blow
  TT Extended time-delay
  Trage Slow-blow
  UR Ultra Rapid semiconductor protection Ultra Quick™  hi-speed
  i2t   A2t is a measure of current (I) and time (t), that would be the thermal energy let through during short circuit interruption, as the integral of the square of the current over a given time expressed in ampere square seconds. Data may refer to pre-arcing or melting i2t for high currents which is practically a constant value, or refer to an operational i2t which varies with circuit conditions

 

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