Front element for push button Harmony ZB5. Front black, cover plastic, unlabeled. Front element for push button, white. Dimensions (WxHxD) 30x30x35 mm, mounting diameter 22 mm, weight 0.014 kg. With transparent protective cap 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, LROS (Lloyds register of shipping), BV, GL, DNV, RINA, CSA. Product standards according to EN/IEC 60947-5-4, CSA C22.2 No 14, JIS C 4520, EN/IEC 60947-5-1, EN/IEC 60947-1, UL 508.