ABB Protecta Plus B23 312-100 Energy Meter • 3-Phase 65A Direct Connected • RS485 Modbus RTU • Multi-Tariff • 2 In / 2 Out • MID Class B • DIN Rail 4 Modules • 2CMA100169R1000

3-PHASE DIRECT MEASUREMENT – Electronic energy meter for three- or four-wire systems (3P+N) with direct connection up to 65 A. MID verified Class B accuracy for active energy and Class 2 for reactive energy, suitable for billing and sub-metering applications.

COMPREHENSIVE DISPLAY VALUES – Seven-digit display showing active and reactive energy (import/export), power, current, voltages (L-L, L-N), frequency, cos phi, power factor and apparent power, both per phase and total, ensuring transparent monitoring.

MODBUS RS485 & FLEXIBLE INTEGRATION – Integrated RS485 interface supporting Modbus RTU plus infrared port for KNX module connection. Designed for integration into building automation and energy management systems in commercial and industrial installations.

MULTI-TARIFF & CONFIGURABLE I/O – Equipped with 2 digital inputs and 2 outputs. Output configurable as S0 pulse for active/reactive energy or alarm output with up to 25 thresholds and delay. Supports up to 4 tariffs and resettable intermediate counter. DIN rail mounting, 4 modules.

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.