StandardSlim line protectors with removable protection module and isolated screenSlim line, Intrinsically Safe protectors (ATEX approved) with removable modSlim line, Intrinsically Safe protectors (ATEX app) with rem mod & isol scrSlim line protectors with removable protection module and LED status indicSlim line protectors with rem mod, LED status indic & isolation screenSlim line, Intrinsically Safe protectors (ATEX approved) with rem mod & LEDSlim line, Intr Safe (ATEX approved) with rem mod LED status & isol screenSlim line with rem mod with LED status & optional isol screen for 4-20mASlim line protectors with removable protection module for 3 wire systems