Switchboard gigabit ring network switch explosion-proof safety.�model: kjj127, 127 / 220v / 50hz (using the loop network connection in a mine).�100% new due to tqsx
Central (with programmable processor) 1 loop fire alarm touch screen, model: evolution1 with: ev-scmx4pc warning control module, ev-zmux2 area monitoring module, nittan, new products100%