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400系列UE压力,差压及温度开关是一种多用处的的系列开关，特别适用于需要多点输出和控制时。双点和3 点设定提供多点的输出，可用于报警和关断，预警和报警，高/低限和液位控制功能。全天候系列开关有多种微动开关和多种过程接口的选择，使得400 系列开关可以满足各种不同的需求。

400 系列开关UE广泛应用于保护与控制，工业过程装置及泵，气轮机，压缩机，纸浆和造纸，水及污水处理等行业。

.开关输出： 一个，两个或三个单刀双掷（SPDT）输出；可在调整范围内进行100%分别设定；521-524，531-534型；



50%；520，525，530，535，570-572型；30%开关可接成“常开型”或“常闭型”；

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