ZB4BW653 is a head for an illuminated pushbutton. This harmony XB4 illuminated 40mm mushroom orange button head operates with a latched push-pull mechanism. This illuminated 40mm mushroom shape push button head for integral LED is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomy. It is easily combined with harmony range of contact blocks to perform a large variety of control functions. It is clearly distinguishable visually at a distance thanks to its illuminated head. It is impact-resistant, dust-resistant, water-resistant and vibration-resistant thanks to its IP66. It has standards like EN/IEC 60947-5-1, CSA C22.2 No 14, EN/IEC 60947-5-5, EN/IEC 60947-1, EN/IEC 60947-5-4, JIS C8201-5-1, UL 508, JIS C8201-1. It is certified by GL, UL listed, DNV, LROS (Lloyds register of shipping), CSA, BV.