| Supported Systems |
1P2W, 3P3W, 3P4W |
| Voltage Nominal (Un) |
3 × 230/400 V AC |
| Voltage Range |
100–277 V AC (L–N), 173–480 V AC (L–L) |
| Current Input (CT Secondary) |
1 A or 5 A AC (รองรับ CT primary 1–9999 A) |
| Measured Parameters |
Voltage, Current, Power (W/VA/Var), Power Factor, Frequency, Energy (Active / Reactive), Demand, Harmonics, THD, ฯลฯ |
| Outputs / Communication |
2 × Pulse outputs, RS485 Modbus RTU (address 1–247) + Dual Tariff support |
| Accuracy (Voltage / Current) |
±0.5% of range / nominal |
| Accuracy (Frequency) |
±0.2% of mid‑frequency |
| Accuracy (Power / Apparent / Reactive) |
±1% of range maximum |
| Energy Accuracy |
Active Energy: Class 0.5S (IEC 62053‑22) / Class 1 (IEC 62053‑21), Reactive Energy: Class 2 (IEC 62053‑23) |
| Insulation & Withstand Voltage |
AC withstand 4 kV (1 min), Impulse 6 kV (1.2 µs) |
| Auxiliary Power Supply |
85–275 V AC 50/60 Hz หรือ 120–380 V DC (±20%) |
| Display & Mounting |
LCD back‑lit, DIN‑rail 4‑module (72 mm wide) |
| Max Reading |
Up to 9,999,999.9 kWh / kVArh |
