
ABB electrical accessory M4 2CSG239055R4051
- BrandABB
- SeriesM4
- Frequency60–183 Hz
- Depth78 mm
- Maximum current (Imax)6 A
- Power consumption10 W
- Rated current (In)6 A

M4M 20-M Modbus is a network analyzer with MID approval, 2 digital outputs, aux supply 48-240 V AC/DC, Bluetooth and Modbus RTU
| Series | M4 |
|---|---|
| Electrical | |
| Frequency | 60–183 Hz |
| Maximum current (Imax) | 6 A |
| Rated current (In) | 6 A |
| Tariff control | Internal/external |
| Phase type/number | Three conductor/four conductor |
| Load profile measuring device (event log) | No |
| Interface version | Modbus |
| Mechanical | |
| Depth | 78 mm |
| Width | 96 mm |
| Height | 96 mm |
| Width in modular units | 5.5 |
| With combination lock | No |
| Operating conditions | |
| IP protection rating | IP54 |
| Other | |
| Power consumption | 10 W |
| Backstop | Yes |
| Approval for use | Measuring Instruments Directive |
| Calibrated | Yes |
| Design | Measurement transformer |
| Number of tariffs | 9 |
| Type designation | M4M 20-M MODBUS |
| Energy type | Effective power and reactive power |
| EEC40 signature | No |
| Pulse type | S0 |
| Tariff type | Multi-tariff |
| Indication type | Digital |
| Pulse output | Electrical |
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