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D1M 20 Energy analyser for LV and MV networks, 3 or 4 wires, for balanced and unbalanced load: Voltage, current, average current, frequency, power factor, active/reactive/apparent power and energy, average active/reactive/apparent power and energy, produced/consumed energy measurement, %THDV and %THDI, 40th individual harmonic Active energy Class 0.5 according to IEC 61557-12. Auxiliary voltage: 100-230 V AC/(DC ± 15%) Din Rail mounted main unit with 1A and 5A current transformer inputs (3 module width).
Communication protocol Modbus RTU, 2 digital inputs, 2 digital outputs.
Технические характеристики
| Auxiliary power supply | |
| Voltage | 100-230 V AC/DC ±15% |
| Frequency | 50 - 60Hz ±5% |
| Power consumption | 5VA max |
| Installation category | CAT III 300V class per IEC 61010-1 edition 3 |
| Protection fuse | T1 A-277 VAC |
| Measurement Accuracy | |
| IEC 61557-12 | IEC 61557-12 PMD/S/K55/0.5 |
| Active energy | IEC61557-12 Class 0.5 / IEC 62053-22 Class 0.5S |
| Reactive energy | IEC61557-12 Class 1 / IEC 62053-24 Class 1 |
| Active power | IEC 61557-12 Class 0.5 |
| Reactive power | IEC 61557-12 Class 1 |
| Apparent power | IEC 61557-12 Class 1 |
| Voltage | IEC 61557-12 Class 0.5 |
| Current | IEC 61557-12 Class 0.5 |
| Frequency | IEC 61557-12 Class 0.1 |
| Neutral Current (calculated) | IEC 61557-12 Class 0.1 |
| Unbalance | IEC 61557-12 Class 0.5 |
| THD, Harmonics (current, voltage) | IEC 61557-12 Class 5 |
| Voltage Measurement inputs | |
| Voltage input mode | Direct or Indirect insertion with VT |
| Measurement Range | 80-300 VAC(L-N) |
| Wiring Type | Single-phase, three-phase (3P, 3P+N) |
| Rated frequency | 50Hz or 60Hz |
| Protection fuse | T1 A-277 VAC |
| VT primary range | 50~750000V |
| VT secondary range | 50~510V |
| Individual harmonics | 2nd~40th, 0%~50% |
| Current measurement inputs |
| 2TAZ665052R2001 |