Illuminated pushbutton Harmony XB4F. with single lens, 1NO+1NC. 10000000 cycles. Dimensions (WxHxD)- 36.6x47x55 mm, mounting diameter 30.5 mm. With high vibration resistance and chemical resistance, ambient temperature -40 to +70 degrees C. Chrome-plated metal, protected LED. Up to IP69K. Certifications- UL listed, CSA. Product standards- CSA C22.2 No 14, EN/IEC 60947-5-1, EN/IEC 60947-5-4, UL 508, EN/IEC 60947-1, JIS C 4520.