漏电保护专用集成电路在塑壳式漏电断路器上的应用

在塑壳式漏电断路器中,其电子组件板中的漏电保护专用集成电路是关键器件,主要起漏电信号放大、电平转换、抗干扰、延时触发和驱动自锁等作用。介绍了M54123和M54133两种漏电保护专用集成电路在塑壳漏电断路器上的典型应用,给出了典型应用电路图,了解和掌握漏电保护专用集成电路的特性,开发塑壳式漏电断路器其应用前景广阔。

Application of Electricity Leakage Protection Special Integrated Circuit in Moulded Case Residual Current Operated Circuit Breakers

In moulded case residual current operated circuit breakers, the electricity leakage protection special integrated circuit (IC) in its electronic component board in the key element, it main functions are electricity signal amplification, level transfer and change, anti-interference, time-delay triggering and drive self-lock etc. Introduction was made to typical application of M54123 and M54133 two kinds of electricity leakage protection special integrated circuits in moulded case circuit breakers, giving out typical application circuit diagram, knowing and mastering features of electricity leakage protection special IC. To develop moulded case circuit breaker is wide in its application prospect.