UE压力开关J400-144美国UE开关现货压力开关选型参数：1.压力范围2.Max压力3.介质4.是否防爆遵循原则：1.设定值在可调范围内2.在可调范围中间1/3处性能***好。3.尽量不要选择在10%以下和90%以上。UEJ400系列机械压力开关的常用型号：J400系列主要型号及特点J400型，单点输出，内部可调J402型，双点输出，内部可调J403型，三点输出，内部可调J400-440J400-441J400-442J400-443J400-444J400-454J400-456J400-457J400-458J400-459J400-450J400-451J400-452J400-453J400-454J400-S126B/S134B/S137B/S144B/S152B/S156B/S164BJ400-126/134/137/144/152/156/164J400-610/16014/614J400-270/274J402-S126B/S134B/S137B/S144B/S152B/S156B/S164BJ402-126/134/137/144/152/156/164J402-610/16014/614J402-270/274J402-520/521//522/523/524/525J402-530/531/532/533/534/535J402-550/551/552/553/554/555J403-S126B/S134B/S137B/S144B/S152B/S156B/S164BJ403-126/134/137/144/152/156/164J400-S126B/S134B/S137B/S144B/S152B/S156B/S164BJ400-358/361/376/126/134/137/144/152/156/164/270/274J400-440/442/443/448/450/452/453/454J402-S126B/S134B/S144B/S152B/S156B/S164BJ402-358/361/376/126/134/144/152/156/164J400-440/442/443/448/450/452/453/454UE400系列差压开关J400K型:一个单刀双掷输出，内部可调，无参考刻度J402K型：二个单刀双掷输出，内部可调，无参考刻度H400K型：一个单刀双掷输出，内部可调，有参考刻度H402K型：二个单刀双掷输出，内部可调，有参考刻度J400K-S147BJ400K-S157BJ400K-147J400K-157J400K-455J400K-456J400K-457J402K-S147BJ402K-S157BJ402K-147J402K-157J402K-455J402K-456J402K-457J402K-540J402K-541J402K-542J402K-543J402K-544J402K-545J402K-546J402K-547J400K-559J402-559H400K-455H400K-456H400K-457H400K-559H402K-455H402K-456H402K-457H402K-559H400系列压力开关常用型号H400-S126BH400-S134BH400-S137BH400-S144BH400-S146BH400-S156BH400-S164BH400-358H400-361H400-376H400-126H400-134H400-137H400-144H400-146H400-156H400-164H400-270H400-274H400-440H400-441H400-442H400-443H400-448H400-450H400-452H400-453H400-454H400-550H400-552H400-553H400-554H400-555H402-S126BH402-S134BH402-S144BH402-S146BH402-S156BH402-S164BH402-358H402-361H402-376H402-126H402-134H402-144H402-146H402-156H402-164H402-270H402-274H402-450H402-452H402-453H402-454H402-550H402-552H402-553H402-554H402-555H403-S126BH403-S134BH403-S144BH403-S146BH403-S156BH403-S164BH403-358H403-361H403-376H403-126H403-134H403-144H403-146H403-156H403-164H403-270H403-274H403-450400系列开关的认证如下：)