Front element + mounting plate for potentiometer Harmony ZB4. Bezel made of chrome-plated metal. Mounting diameter 22 mm, weight 0.08 kg. Head shape round, standard. With high vibration resistance and chemical resistance, ambient temperature -40 to +70 degrees C. The modular metal program with 22mm installation dimension combines easy installation, efficiency and modern design. Certifications according to DNV, CSA, RINA, LROS (Lloyds register of shipping), GL, UL listed, BV. Product standards according to EN/IEC 60947-5-4, UL 508, JIS C 4520, EN/IEC 60947-5-1, EN/IEC 60947-5-5, EN/IEC 60947-1, CSA C22.2 No 14.