A Duo-Box case is a case with two different functional areas.
For example, electronic components can be separated from electrical devices.
These enclosures are supplied either made of polycarbonate or ABS.
As optional options, Duo-Box enclosures can be delivered with a transparent cover (K).

| ARTNR | Tип | Длина (мм) | Ширина (мм) | Высота (мм) |
| 301108800 | MBM 178055 | 170 | 80 | 55 |
| 401108800 | MBT 178055 | 170 | 80 | 55 |
| 402108800 | MBT 178055K | 170 | 80 | 55 |
| 302108800 | MBM 178055K | 170 | 80 | 55 |
| 301108900 | MBM 178060 | 170 | 80 | 60 |
| 401108900 | MBT 178060 | 170 | 80 | 60 |
| 402108900 | MBT 178060K | 170 | 80 | 60 |
| 302108900 | MBM 178060K | 170 | 80 | 60 |
| 301109000 | MBM 178070 | 170 | 80 | 70 |
| 401109000 | MBT 178070 | 170 | 80 | 70 |
| 402109000 | MBT 178070K | 170 | 80 | 70 |
| 302109000 | MBM 178070K | 170 | 80 | 70 |