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TECHNICAL DATA
| Power supply | Derived from the measurement circuit 176–276 Vac (self-powered) |
| Max consumption | < 2 W / 10 VA |
| Active energy accuracy class | Class C (MID) - EN 50470-3; Class 1 IEC 62053-21 |
| Reactive energy accuracy class | Class 2 - IEC 62053-23 |
| Operating temperature | -25..+55°C |
| Protection rating | IP51 (front), IP20 (terminals) |
| DIN modules | 1 |
| Dimensions | 62x17.5x119 mm |
| Electrical system / Phases | Single-phase |
| Measurement connection | Direct up to 45 A |
| Connection | 2-wire |
| Mounting | DIN rail 35 mm |
| Number of DIN modules | 1 |
| Display | LCD |
| Backlight | Yes |
| Dimensions | 62x17x119 mm |
| INPUTS (MEASUREMENT) | |
| Rated voltage | 230 Vac |
| Voltage range | 85–276 V |
| Frequency | 50/60 Hz |
| Rated current | 5 A |
| Maximum current | 45 A |
| Measurement start current | ~40 mA |
| Number of phases | Single-phase |
| OUTPUTS | |
| Pulse outputs | 2 |
| Output type | S0/S1 opto-isolated |
| S1 output | Constant 1000 imp/kWh (default) |
| S0 output | Configurable |
| Configurable pulses | Yes |
| Pulse duration (S0) | 60 / 100 (default) / 200 ms |
| COMMUNICATION | |
| Interface | RS485 |
| Protocol | Modbus RTU |
| Baud rate | 1200 / 2400 / 4800 / 9600 bps (default Seneca?) |
| Parity | None / Even / Odd |
| Stop bits | 1 or 2 |
| Addressing | ID 1–247 (default 1) |
| CONFIGURATION & APPLICATIONS | |
| Measured parameters | V, A, Hz, kW, kvar, kVA, PF, kWh/kvarh (1P) |
| Active energy | Import / Export |
| Reactive energy | Yes |
| Internal logging | No |
| Configuration | Front button + LCD |
| Software | |
| Typical applications | EV charging |
| Target installation | Single-phase direct 45 A |
| STANDARDS & CERTIFICATIONS | |
| MID Directive | 2014/32/EU |
| Standards | EN 50470-1, EN 50470-3, EN 61010 |
| Markings | CE, RoHS, UKCA |
Product versions
S501-45-MOD-MID
40 A single-phase energy counter, 2 wires with MobBUS embedded interface and MID certification
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