Materials External cover in SMC. Grey RAL 7030 color. Internal protection grid made of polyamide resin (PA6 V2) grey RAL 7040 color. Characteristics Ventilation area: wall thickness mm 2.5 min: 2200 mmq wall thickness mm5 min: 2240 mmq. Protection degree IP44 in compliance with CEI EN 60529, IK 10 according to CEI EN 62262. Note: Executions applications as scheme B are carry out only on enclosures depth 375 mm. Applicable to all the series, with the exception of CVA