✅ ABB M1M 12 – Multifunction Meter Basic Model (Part No.: 1SYG207591R4051) The ABB M1M 12 is a compact and reliable multifunction meter designed to monitor essential electrical parameters such as voltage, current, power, and frequency in low-voltage installations. Technical Specifications: Part Number: 1SYG207591R4051 Model: M1M 12 Display: LCD Measurement: V, A, Hz, kW, kWh Communication: None Mounting: Panel-mounted Applications: Sub-distribution boards, energy audits