IP66 Stainless Steel Terminal Boxes IP66 terminal box Constructed from 1.2mm AISI 304 natural finish stainless steel Lids with black neoprene gasket and 4 x M6 captive hexagon headed screws Multiple M5 DIN rail fixing points External M6 earthing stud Operating temperature -20°C to +110°C Designed for housing DIN rail terminals and accessories