Glass Reinforced Polyester Enclosure - light, strong and not subject to corrosion. Resettable Element. Explosion protected EExe (ATEX Approved). In line and end of line resistors. Red Epoxy Finish. 7 x terminals. Lift flap for extra protection against inadvertent operation. 1 x changeover switch. Captive cover screws. Key operated test facility - simple but secure. 1 x M20 bottom cable entry.