The Schneider Electric TRV00121 is an Ethernet switchboard display module designed for seamless integration with various circuit breakers, including MasterPact, Compact, and PowerPact series. This front display module (FDM 121) features a 96mm x 96mm LCD screen with white backlighting, offering clear visualization of measurements, alarms, and operational data. It connects to a single device over Ethernet, providing global access to circuit breaker information through a unified user interface. The module is housed in an enclosure with an IP54 rating on the front face, ensuring protection against dust and water ingress. It operates within an ambient temperature range of -10°C to 55°C, making it suitable for diverse industrial environments. The TRV00121 is compatible with a range of circuit breakers, including MasterPact MTZ, MasterPact NW, MasterPact NT, Compact NSX, ComPact NS630b...1600, ComPact NS1600b...3200, PowerPact H, PowerPact J, PowerPact L, PowerPact P, and PowerPact R. This versatility allows for flexible deployment across various applications. Installation is straightforward, with options for flush mounting or surface mounting using a kit, and it can be mounted in any location on your switchboard for ergonomic access. The module is powered by a 24 V DC supply with a current consumption of 21 mA, ensuring energy efficiency. Its compact dimensions (96mm x 96mm x 30mm) and lightweight design (0.45 kg) facilitate easy integration into existing systems. The TRV00121 is part of Schneider Electric's EcoStruxure Power architecture, contributing to the development of Ethernet-ready smart panels. Firmware updates can be performed using EcoStruxure Power Commission software, ensuring the module remains up-to-date with the latest features and improvements.