646GZE通用加强防爆型压力开关接口尺寸1/2”NPT接口材料316SS隔膜材料聚丁钠橡胶接点形式和容量SPDT，15A，250VACDPDT，5A，250VA型号SPDTDPDT设定压力范围KG***大允许压力KG646GZE1646GZE10.06-1.2135646GZE2646GZE20.41-4.90210646GZE11646GZE110.83-9.79210646GZE3646GZE32.07-24.48210646GZE5646GZE520.69-65.17210)