The FF set includes the three-phase energy consumption meter WI-MEF-3-OPTI-200A with Wi‑Fi and the indicator light LK-BZ-3. It provides the ability to monitor power, currents, voltages, and consumption in real time, with remote access via app or web browser.

• Recording: average, minimum, and maximum values
• Installation type: three-phase, 4-wire
• Up to: 200 A
• Power supply: 3× 230/400 V AC (-25%÷15%)
• Frequency: 50÷60 Hz
• Meter / transformer accuracy: 1% / 0.5%
• Transformer: primary 200 A, secondary 30 mA, cable diameter ≤24 mm
• Wi‑Fi: 2.4 GHz, ≤ 20 dBm, receiver sensitivity -98 dBm
• Consumption: ≤ 2 W
• Operating temperature: -20÷50 °C
• Mounting: 2 modules (35 mm), 35 mm rail
• IP: IP20
• Other specifications: 1000 imp/kWh, humidity ≤ 90%, terminals 2.5 mm² (flexible conductor) / 4.0 mm² (conductor), tightening torque 0.5 Nm