UL DIN-rail surge-protective device (SPD) with color coding has finger-safe construction, and a rejection feature assures system integrity by preventing misapplication of SPD modules. Vibration and shock resistance according to EN 60068-2 are ideal for harsher conditions. Users can rely on easyID local visual indication and optional remote contact signaling to monitor module status. They are available with short-circuit current ratings (SCCR) up to 200 kA.