| U189B | U189A | U181A | |
|---|---|---|---|
| Item number | U189B | U189A | U181A |
| Product details page | Details | Details | Details |
| Type of meter | Electronic | Electronic | Electronic |
| Max. current (Imax) | 6A | 6A | 80A |
| Nominal voltage (Un) N-L | 230V - 400V | 230V - 400V | 230V - 240V |
| Nominal voltage (Un) L-L | 240V - 415V | 240V - 450V | |
| Frequency | 50Hz - 60Hz | 50Hz - 60Hz | 50Hz - 60Hz |
| Accuracy class | B | B | B |
| Model | Measurement transformer | Direct measurement | Direct measurement |
| Tariff type | One-tariff | One-tariff | One-tariff |
| Measurement type load profile | |||
| Escapement mechanism | |||
| Calibrated | x | x | x |
| Approval | Measuring Instruments Directive | Measuring Instruments Directive | Measuring Instruments Directive |
| Pulse output | Electrical | Electrical | Electrical |
| Type of indication | Digital | Digital | Digital |
| Width in number of modular spacings | 2 | 2 | 2 |
| Type of interface | None | None | None |
| EEC40 signature | |||
| With lock code | |||
| Minimum current rating (Imin) | 0.01A | 0.01A | 0.25A |
| Accuracy of reactive energy | 2 | 2 | 2 |
| Reference current (Iref) | 1A | 1A | 5A |