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

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

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