ABB Stotz S & J M Transformer RS485 A42 112 100

HIGH ACCURACY TRANSFORMER METERING – MID certified Class B (±1%) active energy measurement for single-phase CT connected systems up to 6 A secondary current; IEC and MID approved for billing and certified commercial applications. ADVANCED DIN RAIL DESIGN – High-quality DIN rail mounted meter with large backlit pixel display for clear reading of energy and electrical parameters; suitable for industrial and commercial buildings using 3- or 4-wire systems. MODBUS RTU COMMUNICATION – Integrated RS-485 interface enables reliable Modbus RTU communication for remote monitoring, data logging and integration into building management and energy control systems. COMPREHENSIVE MONITORING FUNCTIONS – Provides multiple instrumentation values, 25 programmable alarms and event logging; one digital output configurable for pulse or alarm signalling; operating range 47–331 V, 50/60 Hz, -40 to +70 °C, IP20. ABB PROTECTA PLUS SYSTEM – Part of the ABB Protecta Plus modular distribution system for indoor installations, offering high internal accessibility, removable internal modules for simplified wiring, insulated neutral and earth bars, and an expandable cabinet concept for flexible electrical distribution solutions.