ZB4BW3537 is a head for an illuminated pushbutton. This harmony XB4 plain lens illuminated flush orange button head for integral LED operates with a spring return/impulse 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 illuminated, clear color and by touch due to flush element, minimizing errors in machine control. It is impact-resistant, dust-resistant, water-resistant and vibration-resistant thanks to its IP66. It has standards like JIS C8201-5-1, EN/IEC 60947-5-5, EN/IEC 60947-5-4, UL 508, CSA C22.2 No 14, EN/IEC 60947-1, EN/IEC 60947-5-1, JIS C8201-1. It is approved by UL listed, BV, LROS (Lloyds register of shipping), GL, DNV, CSA.