3-phase busbars Modular spacing 55 mm for 3 switches and accessories Fork shape connections Simple, efficient and always up to date - SIRIUS modular system. https://elecena.pl/product/26062390/siemens-3rv19152bb-1-szt 2024-06-10 https://elecena.pl/product/26062390/siemens-3rv19152bb-1-szt 2025-03-03 https://elecena.pl/product/26062390/siemens-3rv19152bb-1-szt 2025-05-18 https://elecena.pl/product/26062390/siemens-3rv19152bb-1-szt 2025-08-01 https://elecena.pl/product/26062390/siemens-3rv19152bb-1-szt 2026-02-14