Boxes are sealable and made from halogen free long lasting plastic material. EX BOXES have pre-moulded cable entries and the EL BOXES have plain sides. All boxes have 1/4 turn, captured and sealable screws for fixing the lids to the bases. All enclosures are adapted to the metric system and include supports for installation of DIN rail and mounting plates on the base. TECHNICAL DATA Degree of protection IP65 / IP67 Resistance to impact IK07 Auto-extinguishing degree HB (UL94) Test of resistance to glow wire 650° C Ball pressure test 70° C According to 2006/95/CE directive; IEC 60998-2-5.