MDT technologies 3-fold Energy Meter 20 A, Direct Measurement EZ-0320.01

For building automation professionals and KNX integrators, the MDT EZ-0320.01 is a three-channel energy meter for direct measurement of up to 20 A per channel. It mounts on a DIN rail (4 TE) and communicates via KNX, making it suitable for sub-distribution boards in residential and commercial buildings.

Key specifications

• Measurement channels: 3-phase / 3-fold
• Measurement type: direct measurement
• Max current per channel: 20 A
• Voltage range (L-N): 100-240 V AC
• Voltage range (L-L): 173-415 V AC
• Communication protocol: KNX
• Mounting: DIN rail (4 TE)
• Accuracy class: Class 1 (active energy)
• Measured parameters: active energy, reactive energy, active power, reactive power, apparent power, voltage, current, frequency, power factor
• Tariff support: 2 tariffs
• Frequency range: 50/60 Hz
• Power consumption: < 0.5 W
• Operating temperature: -5°C to +45°C
• Protection class: IP20
• KNX bus voltage: 21-30 V DC
• KNX bus current: < 10 mA
• Overload capacity: 30 A for 10 ms

Why choose it

This meter provides precise energy data for three separate circuits in one compact unit, enabling detailed consumption monitoring and tariff-based billing via KNX.

Ideal use cases

• Monitoring individual loads in distribution boards
• Energy management in KNX smart buildings
• Sub-metering for tenants or departments

Good to know

The device is designed for direct connection without external current transformers. It is powered via the KNX bus and requires no separate supply.