Pushbutton Head Color Black White For Use With Body Sub-assembly ZB4BZ Series Size 30 mm Basic Material Metal Non-Illuminated Connection Type Screw on IP Rating 66 67 69 69K Legend O Legend/Background Color White/Black Standards CE CSA C22.2 No 14 EN/IEC 60947-1 EN/IEC 60947-5-1 EN/IEC 60947-5-4 JIS C8201-1 JIS C8201-5-1 UL 508