Meter security module

The meter security module (ZSM for short) serves as a communication adapter and provides the option of extending the meters LZQJ-XC, DMTZ-XC and LZQJ-SGM with an RS485 data interface according to BSI TR 03116-3. This enables the use of XC meters with a smart meter gateway in smart metering systems.


  • Secure TLS communication with smart meter gateways
  • Communication according to BSI TR 03116-3
  • According to LMN requirements
  • Swappable during meter operation
  • PTB approval (BPB)

Can be combined with the following products:


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