美国UE公司成立于1931年，是一家总部位于马萨褚塞州的私人公司，目前 已经成为生产经久耐用的、质量可靠的压力、温度、控制器、传感器的性的 公司，现在已经成为工业过程压力控制技术的*。美国UE公司提供的产品从一个简单的零件到根据客户的特殊要求进行定制设计的控制产品，为在各种 工业领域下对设备、工艺、人员提供专业的保护，大部分产品为顾客提供设备报警或关断功能，也通过精密传感器向控制系统提供准确的数据。创新的设计，*的生产技术和可靠的质量为UE公司产品赢得了值得信赖的声誉。

   UE120系列压力开关的常用型号：
  120系列（危险区域安装的压力开关、真空开关、差压开关和温度开关）：J120,H121,H122,H122P,J120K,H121K,H122K,B121,B122,C120,E121,E122,F120,820E,822E

100系列（通用型压力、真空、温度开关）；

400系列（通用型多点输出压力、真空、温度开关）：J400,J402,J403,H400,H402,H403,J400K,J402K

54系列（经济型的压力、温度开关）；

117系列（2区危险场合的压力、真空、差压和温度开关）

H100-520、H100-521、H100-522、H100-523、H100-524、H100-525

H100-530、H100-531、H100-532、H100-533、H100-534、H100-535

H100-171、H100-172、H100-173、H100-174、H100-560、H100-561

H100-562、H100-563、H100-564、H100-565、H100-566、H100-567

H100-701、H100-702、H100-703、H100-704、H100-705、H100-706

H100-190、H100-191、H100-192、H100-193、H100-194、H100-490

H100-491、H100-492、H100-493、H100-494、H100-183、H100-184

H100-185、H100-186、H100-187、H100-189、H100-483、H100-485

H100-486、H100-488、H100-489、H100-484、H100-218、H100-270

H100-274、H100-358、H100-361、H100-376、H100-616、H100-610

H100-612、H100-680、H100K-540、H100K-541、H100K-542、H100K-543

H100K-544、H100K-545、H100K-546、H100K-547、H100K-548

J120-520、J120-521、J120-522、J120-523、J120-524、J120-525、J120-530

J120-531、J120-532、J120-533、J120-534  J120-535、J120-560、J120-561

J120-562、J120-563、J120-564、J120-565、J120-566、J120-171、J120-172

J120-173  J120-174、J120-183、J120-184、J120-185、J120-186、J120-188

J120-189、J120-483、J120-484、J120-485、J120-486  J120-488、J120-489

J120-S126B、J120-S156B、J120-190、J120-191、J120-192、J120-193、J120-194

J120-490、J120-491、J120-492、J120-493、J120-494、J120-126、J120-134

J120-137、J120-144、J120-152、J120-156、J120-164、J120-356、J120-358

J120-361、J120-376、J120-270、J120-274、J120-612、J120-616、J120-680

J120-701、J120-702、J120-703、J120-704、J120-705、J120-450、J120-451

J120-452、J120-454、J120-550、J120-551、J120-552、J120-553、J120-554

J400-520、J400-521、J400-522、J400-523、J400-524、J400-525、J400-530

J400-531、J400-532、J400-533、J400-534、J400-535、J400-570、J400-571

J400-572、J400-S126B、J400-S156B、J400-S164B、J400-358、J400-361

J400-376、J400-610、J400-612、J400-614 、J400-126、J400-134、J400-137

J400-144、J400-146、J400-156、J400-164、J400-274、J400-270、J400-440

J400-441、J400-442、J400-443、J400-448、J400-449、J400-450、J400-451

J400-452、J400-453、J400-454、J400-550、J400-551、J400-552、J400-553

J400-554、J400-555

J402-520、J402-521、J402-522、J402-523、J402-524、J402-525、J402-530、J402-531、J402-532、J402-533、J402-534、J402-535、J402-570、J402-571、J402-572、J402-S126B、J402-S134B、J402-S137B、J402-S144B、J402-S146B、J402-S156B   J402-S164B、J402-358、J402-361、J402-376、J402-610、J402-612、J402-614、J402-126、J402-134、J402-137、J402-144、J402-146、J402-156、J402-164、J402-274、J402-270、J402-440J402-441J、402-442、J402-443、J402-448、J402-449、J402-450、J402-451、J402-452、J402-453、J402-454、J402-550、J402-551、J402-552、J402-553、J402-554、J402-555

J403-520、J403-521、J403-522、J403-523、J403-524、J403-525、J403-530、J403-531、J403-532、J403-533、J403-534、J403-535、J402-570、J403-571、J403-572、J403-S126B、J403-S134B、J403-S137B、J403-S144B、J403-S146B、J403-S156B、J403-S164B、J403-358、J403-361、J403-376、J402-610、J403-612、J403-614、J403-126、J403-134、J403-137、J403-144、J403-146、J403-156、J403-164、J403-274、J403-270、J403-440、J403-441、J403-442、J403-443、J403-448、J403-449   J403-450、J403-451、J403-452、J403-453、J403-454、J403-550、J403-551、J403-552、J403-553、J403-554、J403-555

H400-550、H400-552、H400-553、H400-554、H400-555、H400-S126B、H400-S134B、H400-S137B、H400-S144B、H400-S146B、H400-S156B、H400-S164B、H400-358、H400-361、H400-376、H400-126、H400-134、H400-137、H400-144、H400-146、H400-156、H400-164、H400-270、H400-274、H400-440、H400-441、H400-442、H400-443、H400-448、H400-450、H400-452、H400-453、H400-454、H402-550、H402-552、H402-553、H402-554、H402-555、H402-S126B、H402-S134B、H402-S137B、H402-S144B   H402-S146B、H402-S156B、H402-S164B、H402-358、H402-361、H402-376、H402-126、H402-134、H402-137、H402-144、H402-146、H402-156、H402-164、H402-270、H402-274、H402-440、H402-441、H402-442、H402-443、H402-448、H402-450、H402-452、H402-453、H402-454、H403-550、H403-552、H403-553、H403-554、H403-555、H403-S126B、H403-S134B、H403-S137B、H403-S144B   H403-S146B、H403-S156B、H403-S164B、H403-358、H403-361、H403-376、H403-126、H403-134、H403-137、H403-144、H403-146、H403-156、H403-164、H403-270、H403-274、H403-440、H403-441、H403-442、H403-443、H403-448、H403-450、H403-452、H403-453、H403-454、J400K-S147B、J400K-S157BJ、400K-147、J400K-157、J400K-455、J400K-456、J400K-457、J400K-540、J400K-541、J400K-542、J400K-543、J400K-544、J400K-545、J400K-546、J400K-547、J400K-559、J402K-S147B、J402K-S157B、J402K-147、J402K-157、J402K-455、J402K-456、J402K-457、J402K-540、J402K-541、J402K-542、J402K-543、J402K-544、J402K-545、J402K-546、J402K-547、J402K-559、H400K-455、H400K-456、H400K-457、H400K-559、H402K-455、H402K-456   H402K-457、H402K-559

H121-S126B、H121-S134B、H121-S137B    H121-S144B   H121-S152B    H121-S156B   H121-S164B   H121-358 H121-376   H121-361   H121-126   H121-134   H121-137  H121-144   H121-152   H121-156   H121-164   H121-612 H121-614   H121-270   H121-274   H121-450   H121-452   H121-453  H121-454   H121-550   H121-552   H121-553 H121-554   H121-555   H121-701   H121-702   H121-703    H121-704   H121-705   H122-S126B   H122-S134B  H122-S137B   H122-S144B   H122-S152B   H122-S156B   H122-S164B   H122-358   H122-376   H122-361   H122-126  H122-134   H122-137   H122-144   H122-152   H122-156   H122-164   H122-612   H122-614   H122-270   H122-274   H122-450   H122-452   H122-453   H122-454   H122-550   H122-552   H122-553   H122-554   H122-555    H122-701   H122-702   H122-703   H122-704   H122-705   H122P-S126B   H122P-S134B   H122P-S137B   H122P-S144B   H122P-S152B   H122P-S156   H122P-S164B   H122P-358   H122P-376   H122P-361   H122P-126   H122P-134   H122P-137   H122P-144   H122P-152   H122P-156   H122P-164   H122P-612   H122P-614

H121K-S147B   H121K-S157B   H121K-147   H121K-157   H121K-456   H121K-457   H121K-559   H122K-S147B   H122K-S157B   H122K-147   H122K-157   H122K-456   H122K-457   H122K-559   B121-13272   B122-13322   B121-120   B121-121   B122-120    B122-121

J120K-S147B   J120K-S157B   J120K-147   J120K-157   J120K-367   J120K-36   J120K-37   J120K-38   J120K-39  J120K-455   J120K-456   J120K-457   J120K-559   J120K-540  J120K-541   J120K-542   J120K-543   J120K-544  J120K-545   J120K-546   J120K-547   J120K-548