Front element for push button Harmony ZB5. Front black, plastic cover, arrow pointing downwards. Front element push button, black. Dimensions (WxHxD) 29x29x28 mm, mounting diameter 22 mm, weight 0.018 kg. Front element, with white lettering in the touch surface, DM 22 without detent. Mechanical life 1,000,000 cycles. Head shape round, standard. With high vibration resistance and chemical resistance, ambient temperature -40 to +70 degrees C. The modular plastic range with 22 mm installation dimension combines easy installation, efficiency, modern design, flexibility with maximum robustness. Certifications listed according to UL, CSA, BV, RINA, GL, DNV, LROS (Lloyds register of shipping). Product standards according to EN/IEC 60947-1, UL 508, CSA C22.2 No 14, EN/IEC 60947-5-1, JIS C 4520, EN/IEC 60947-5-4.