EHZ541

Three-phase meter EHZ541

Three-phase meter for plug-in mounting – with LoRaWAN from 2025

The EHZ541 is a modern three-phase meter for plug-in mounting. From 2025, it additionally supports LoRaWAN communication, enabling more flexible network connection.

The EHZ541 is the mME variant of the EHZ541 family and can be integrated into smart meter gateway systems via the BAB adapter. The base meter (Basiszähler) version with integrated LMN interface is the EHZ541-i.

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Placed on the EU market by: Holley Technologie GmbH, Parking 13, 14669 Ketzin/Havel, Germany

We sell exclusively to businesses (entrepreneurs within the meaning of Section 14 of the German Civil Code, BGB), legal entities under public law and special funds under public law. No sales to consumers.

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Quantity (pcs)
Energy direction
Tariff
Options
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Technical features

Features

  • LoRaWAN as an additional radio connection (independent of the regulated SMGw/iMSys channel)
  • FNN-compliant meter according to the specification (Lastenheft)
  • Secure SMGw integration via BAB adapter
  • Security according to BSI TR-03109 and PTB-A 50.8

Technical data

Design
EHZ541 (plug-in, eHZ)
Communication
via separate BAB adapter (mME)
Energy direction
consumption (B), feed-in (L), bidirectional (Z), netting (S)
Tariff
dual tariff (D) or single tariff (E)
Accuracy class
Class A
Optional
LoRaWAN interface
Certifications
BSI TR-03109, PTB-A 50.8

Documents

The datasheet for this product is currently available on request.

Tender text

Short text for use in bills of quantities.

EHZ541 – electronic three-phase meter (eHZ) in plug-in design as a modern metering device (mME) for direct connection. Version for consumption, feed-in, bidirectional or netting, single or dual tariff, accuracy class A. Connection to a smart meter gateway via separate communication adapter (BAB); optical INFO interface. Optional additional LoRaWAN radio connection. LMN communication according to BSI TR-03109 and PTB-A 50.8. The base meter version with integrated LMN interface is the EHZ541-i. Make: DIINNO GmbH or equivalent.

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