3TX70021BB00,392-9027,Siemens 24 V 1 A，3 A 光耦合器 3TX70021BB00, DIN 导轨安装 ,Siemens
级间网络（接口）作为连接模块，例如电子控制器和外围设备或电动机接触器之间
螺钉连接
1 通道
小型设计
| Control voltage U1 AC 50 // 60 Hz | Contacts | Overall width | Siemens part no. | |
| NO | Changer | |||
| Output coupling links with relay output | ||||
| 24 Vac / dc | 1 | 6.2 mm | 3TX7004-1LB00 | |
| 24 Vac / dc | 1 | 12.5 mm | 3TX7004-1BB00 | |
| 230 VAC / DC | 1 | 6.2 mm | 3TX7004-1MF00 | |
| Output coupling links with relay output for low line height | ||||
| 24 Vac / dc | 1 | 17.5 mm | 3TX7002-1BB00 | |
| Input coupling links with relay input | ||||
| 230 VAC / DC | 1 | 6.2 mm | 3TX7004-2MF02 | |
| 24 Vac / dc | 1 | 6.2 mm | 3TX7004-2MB02 |
DIN VDE 0110 第 1 部分、DIN VDE 0435、DIN VDE 0660 和 DIN EN 50005
