Schneider Electric – MTN6600‑0603 – Merten KNX Energy Meter 3‑Phase, 3× 230 V

The Schneider Electric MTN6600‑0603 (Merten REG‑K) is a DIN-rail mounted KNX energy meter designed for direct measurement and monitoring of loads on up to three independent 230 V channels each rated at 16 A. It offers reliable power, energy, and current data for building automation systems, with tariffs and alarm thresholds configurable via KNX.

Key Features:

• Model: MTN6600‑0603

• Brand: Schneider Electric (Merten, SpaceLogic KNX)  

• Measurement: Three-phase energy, power, current; active energy per channel & total  

• Accuracy: Class 1 per IEC 61557‑12; power and current accuracy ±10 %  

• Electrical Ratings:

  • Supply: 24 V DC KNX bus (<12.5 mA)  

  • Input: 3× 230 V AC, 50/60 Hz, 16 A per channel, direct connection (no CT)  

• Functionalities:

  • Tariff switching

  • Up to 8 energy alarm thresholds

  • Energy aggregation from external meters via KNX bus  

• Local Interface:

  • LEDs: green RUN, red programming, channel status; manual programming button  

• Installation:

  • Mounts on TH‑35 DIN rail; 4 modules wide (~72 mm)  

  • Terminals: KNX bus + 2.5 mm² screw-type load connections