开关失灵1相电流监视启动:这个定值用来设定相电流启动和保持的监测水平。通常这个定值应当检测到被保护断路器上的最低电流。需要多小它就可以设置为那么低的值(低于断路器电阻电流或是低于负荷电流)高定值和低定值电流监测将会保证正确的动作。
RELIANCE ELECTRIC 0-57408-C USPP 057408C
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RELIANCE ELECTRIC 0-51829-2 REPAIRED 0518292
RELIANCE ELECTRIC S20-402P0A100 SP200
RELIANCE ELECTRIC 0-57403-E HIGH DIGITAL OUTPUT MODULE