The UDC-7C has increased magnetic holding force compared to UDC-6 in order to prevent detachment under higher hydrodynamic loads (i.e., higher vessel speed).
| Diameter, mm | 430 |
| Height, mm | 125 |
| Charge weight, kg | 5 |

The UDC-7C has increased magnetic holding force compared to UDC-6 in order to prevent detachment under higher hydrodynamic loads (i.e., higher vessel speed).
| Diameter, mm | 430 |
| Height, mm | 125 |
| Charge weight, kg | 5 |