ORNO OR-WE-530 3-Phase Energy Meter 100A RS-485 MID Multi-Tariff PV-Ready 4 Modules

The ORNO OR-WE-530 is an electronic three-phase energy meter with direct measurement up to 100A, certified to MID 2014/32/EU for use in commercial, industrial, and domestic three-phase installations. It measures active and reactive power in both forward and reverse directions, supports multi-tariff metering with internal tariff control, and is suitable for PV consumption and feed-in (import/export) applications.

• Nominal / maximum current: 10A / 100A; minimum current: 0.25A; start current: 0.004A
• Nominal voltage: 230V (N-L), 400V (L-L); frequency: 50Hz
• Measurement accuracy class: Class 1 (active power); meter burden: < 12VA, < 1W
• Energy measurement: Active and reactive power, forward and reversed (import and export)
• Tariff type: Multi-tariff with internal tariff control; sub-meter reset supported
• Communication interfaces: RS-485 (Modbus, EN 62056-21) and IR port
• Pulse output: S0 optical, 1000 imp/kWh; output voltage 12–27V DC, output current ≤27mA
• Display: Backlit LCD, 6+2 digits (123456.12 kWh format); indication type: digital
• Memory backup: Li-Ion battery; factory calibrated
• Mounting: DIN TH-35mm rail adapter; width 4.3 modules; dimensions 72×72×90mm (W×D×H)
• Max cable cross-section: 35mm²; power connector tightening torque: 2.5Nm; communication connector: 0.4Nm
• Protection: IP51; operating temperature: –40 to +70°C; max humidity: ≤95%
• Standards: MID 2014/32/EU, IEC 62052-11:2020, IEC 62053-21:2020, IEC 62053-23:2020, EN 50470-1:2006, EN 50470-3:2006