Product name: 

LCOS-LUNA (LützeCOmmunication System Current Control – Lütze Universal Network Adapter): Circuit control and monitoring module with ETHERNET connectivity

Description: 

LCOS-LUNA is the new system developed by LÜTZE-Transportation for control and surveillance of circuits in railway vehicles, acting as an electronic circuit breaker, connected to the TCMS via an Ethernet bus.
It allows independent control of up to ten 2-channel modules, 24V up to 100A.

Web: 

https://www.luetze-transportation.com