For pits located underneath high voltage transformers (63 to 400 kV) - To bring transformers into compliance with the applicable fire prevention regulations - Permanently replaces the formerly used pebble beds - Pit renovation or new installations - Quick to install - Dielectric oils are quickly drained into the pit - Natural flame extinction without risk of fire resumption Design - Patented fire extinguishing system composed of a set of factory-assembled galvanised steel baffle plates 1.5 mm thick galvanised steel baffle plates - Copper or stainless steel grounding lug - 5mm thick galvanised frame - 30x30x30mm-thick galvanised grids placed over the baffles to enable maintenance of the equipment and allow personnel to access the area Installation - To be placed directly on the previously installed support beams and edge brackets - The equipment must be installed by a company approved by AKHELEC to allow for insurance and delivery of a certificate of compliance - Otherwise, an acceptance audit must be carried out for the AKHELEC warranty to be valid