Plastic key switch as a complete unit and 22mm mounting dimensions, Harmony XB5 series. With key No. 455. The actuator has 2 positions with 1 normally open contacts. The outer ring is gray. The modular Harmony series with 22 mm installation dimension combines easy installation, efficiency, modern design, flexibility with the highest robustness. IP protection classes up to IP69K and ambient temperatures from -40°C to +70°C. Product standards according to EN/IEC 60947-5-1, EN/IEC 60947-5-4, CSA C22.2 NO 14, UL 508, EN/IEC 60947-1, JIS C 4520. Certifications according to DNV, GL, UL listed, RINA, BV, CSA, LROS (Lloyds Register of Shipping). Product standards according to EN/IEC 60947-5-1, EN/IEC 60947-5-4, CSA C22.2 NO 14, UL 508, EN/IEC 60947-1, JIS C 4520.This text is machine translated.