IP68 Deltron 486 Series Diecast Aluminium Boxes Lid is designed to give maximum seal face and minimum exposure Lid supplied with stainless steel (SS304) M6 x 25mm long captive screws 3mm one piece die cut silicone rubber sponge seal (01-255FR) with self adhesive backing (01-255SAB), suitable for-60 to 240°C Minimum seal thickness and seal frame width 3.5mm Minimum enclosure wall and lid thickness 3mm Integrated PCB guides and standoffs Integrated earth fixing points and is supplied with brass shake proof screws Note MPNs that have the suffix 486-xxxxxx-66 are sealed to BS EN 60529:1992 IP66 / IP67 MPNs that have the suffix 486-xxxxxx-68 are sealed to BS EN 60529:1992 IP67 / IP68 (10mtrs for 20 hours)