UE压力开关J120-191 UE压力控制器J120-192 西安秦控 代理UE SOR CCS Dwyer开关 技术咨询:成工 ?电话/微信 029-89390083 Q 美国UE开关的防护标准 NEMA防护等级是美国电气制造商协会工业控制装置和系统中的外壳防护标准。NEMA的防护标准除了防尘、防水之外,还包括防爆(IP代码只包括防尘和防水)。 NEMA 4X :(水封、尘封、防腐蚀、室内或室外用外壳):计划用于室内或室外,主要为了提供一定程度的保护,以防止腐蚀、飞扬粉尘和雨水、溅水、软管引出水、以及由于外部结冰引起的破坏。 NEMA 4X 相当于IP66 二者有什么区别? NEMA 7X、NENA 9X(J120系列,针对于防爆开关) UE防爆开关型号对照表 J120-702?J120-703?J120-704?J120-705?J120-450?J120-451?J120-452?J120-15837 H100-183?H100-184?H100-185?H100-186?H100-188?H100-189?H100-483?H100-15734 J120K-147?J120K-157?J120K-367?J120K-455?J120K-456?J120-15834?J120-15836 H100-485?H100-486?H100-488?H100-489?H100-218?H100-270?H100-274?H100-15733 J120K-457?J120K-599?J120K-540?J120K-541?J120K-542?J120K-543?J120-15838 H100-361?H100-376?H100-610?H100-612?H100-616?H100-680?H100-358?H100-15884 F100-8BC?E100-8BS?F100-6BS?F100-7BS?F100-8BS?F100-1BC?E100-2BSB?E100-2BSA H400K-455?H400K-456?H402K-457?H400K-457?H403-S164B?H403-S156B?H403-S146B H400K-559?H402K-455?H402K-559?H403-S144B?H403-S137B?H403-S134B?H403-S126B F100-4BS?F100-5BS?B100-120?B100-121?E100-3BS?E100-4BS?E100-5BS?B100-13546 J120-453?J120-454?J120-550?J120-551?J120-552?J120-553?J120-554?J120-15839 H403-144?H403-146?H403-156?H403-164?H403-440?H403-441?H403-442?H402-S137B F100-3BC?F100-4BC?F100-5BC?F100-6BC?F100-7BC?F100-2BC?E100-2BCA?E100-2BCB E100-3BC?E100-4BC?E100-5BC?E100-8BC?F100-1BS?F100-2BS?F100-2BS?E100-13545 J120K-544?J120K-545?J120K-546?J120K-547?J120K-548?J120-555?J120K-S157B