J402-156-M202美国ue润滑油双点压力开关两组SPDT开关  
美国UE代理机械压力开关J400系列库存现货

400系列双点J402压力开关型号表：
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 J402-16014 J402-614 J402-126 J402-134 J402-137 
J402-144 J402-146 J402-156 J402-164 J402-270 J402-274 J402-441 
J402-442 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
400系列H402双点压力开关型号表：
H402-S126B H402-S134B H402-S144B H402-S146B H402-S156B H402-S164B
H402-358 H402-361 H402-376 H402-126 H402-134 H402-144 H402-146 H402-156
H402-164 H402-270 H402-274 H402-450 H402-452 H402-453 H402-454 H402-550 
H402-552 H402-553 H402-554 H402-555
400系列J402K双点差压开关型号表：
J402K-S147B J402K-S157B J402K-147 J402K-157 J402K-455 J402K-456 J402K-457 J402K-559
J402K-540 J402K-541 J402K-542 J402K-543 J402K-544 J402K-545 J402K-546 J402K-547
真空压力开关为纯机械形变导致微动开关动作。当压力增加时，真空开关作用在不同的传感压力元器件（膜片、波纹管、活塞）产生形变，将向上移动，通过栏杆弹簧等机械结构，*终启动*上端的微动开关，使电信号输出。机械压力开关设定方式从功能原理上均为连续位移型，设定点可单点设定并*多可达到3个不同的设定点。真空压力开关有*负压及正负压兼顾的不同量程段的多种选择。在测负压的同时，真空开关可以耐受一定强度的正压，在电力行业有极广泛的应用。

400系列B400,B402，B403，C400，C402，C403温度开关型号：
B400-120 B400-121 C400-120 C400-121 
B402-120 B402-121 C402-120 C402-121
B403-120 B403-121 C403-120 C403-121
400系列E400,E402，E403温度开关型号：
E400-2BSA E400-2BSB E400-3BS E400-4BS E400-5BS E400-8BS
E402-2BSA E402-2BSB E402-3BS E402-4BS E402-5BS E402-8BS
E403-2BSA E403-2BSB E403-3BS E403-4BS E403-5BS E403-8BS
400系列F400,F402,F403温度开关型号：
F400-1BS  F400-2BS  F400-3BS F400-4BS F400-5BS F400-8BS
F402-1BS  F402-2BS  F402-3BS F402-4BS F402-5BS F402-8BS
F403-2BS  F403-3BS F403-4BS F403-5BS F403-8BS