| General |
| Nominal current (In) | 6 |
| Max. current (Imax) | 6 |
| Frequency | 175 |
| Pole type | Three conductor/four conductor |
| Model | Measurement transformer |
| Energy type | Effective power and blind power |
| Tariff type | Multi-tariff |
| Tariff control | Internal/external |
| Approval | Domestic |
| Pulse output | Electrical |
| Pulse type | S0 |
| Type of indication | Digital |
| Width in number of modular spacings | 5.5 |
| Number of positions total (counter) | 8 |
| Degree of protection (IP) | IP54 |
| Depth | 77 |
| Height | 96 |
| Power consumption | 10 |
| Width | 96 |
| Measuring type load profile | |
| Escapement mechanism | |
| Calibrated | |
| EEC40 signature | |
| With lock code | |
M4M 20 is a multimeter for door installation (96x96x57) with 4 programmable I/O, power supply 48-240V AC/DC, Bluetooth