ZB4BH33 is a head for an illuminated pushbutton. This harmony XB4 illuminated projecting green button head operates with a latched push-push mechanism. This illuminated button head for integral LED provides a versatile interface for controlling your machines. It is easily installed and replaced on compatible complete push button units and contact blocks via snap-fit assembly. It is clearly distinguishable visually at a distance thanks to clear color and by touch due to projecting element, minimizing errors in machine control. It is impact-resistant, dust-resistant, water-resistant and vibration-resistant thanks to its IP66. It has a metal bezel, that makes it ideal for applications requiring high-impact and vibration resistance. It has standards like EN/IEC 60947-5-4, CSA C22.2 No 14, JIS C8201-5-1, EN/IEC 60947-1, UL 508, EN/IEC 60947-5-1, EN/IEC 60947-5-5, JIS C8201-1. It is certified by DNV, GL, UL Listed, LROS (Lloyds register of shipping), CSA, BV.