Panel Seal Illuminated Pushbuttons 3A Power Level & 0.4VA Logic Level; Bushing Mount; LED Illumination; Full Face and Illuminated Ring Options, IP65, cULus 24mm square and 25mm diameter pushbuttons with the shortest above-panel dimension (1.8mm) in the industry for splash-proof design. Meets IP65 of IEC60529 standards (similar to NEMA 4 and 13), providing dust-tight and splash-proof panel seal protection. Tamper-resistant 18mm square and 19mm diameter actuators.