Mercor – Protecting Warsaw Metro from fire emergencies

Mercor, one of the largest Polish entities in the field of passive fire protection systems, supplied fire dampers, pressure differentiation systems and ventilation switchgears for the 2nd metro line in Warsaw, Poland. Mercor's electrical distribution center is equipped with power and control units using Mitsubishi Electric’s inverters, contactors and motor-operated compact switches for automatic power reserve switch-on systems. In the metro in Warsaw, the fresh air is provided by Mitsubishi Electric air conditioners. (The video is in Polish with English subtitles.) https://pl3a.mitsubishielectric.com/fa/pl/products/drv/ https://pl.mitsubishielectric.com/pl/products-solutions/air-conditioning/index.html