Front element for push button Harmony ZB5. Plastic cover. Dimensions (WxHxD) 37x37x30 mm, mounting diameter 30 mm, weight 0.028 kg. Mechanical lifespan 1,000,000 cycles. Head shape round, flush - flat installation. 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 according to RINA, CSA, LROS (Lloyds register of shipping), UL listed, BV, GL, DNV. Product standards according to JIS C 4520, EN/IEC 60947-5-4, UL 508, EN/IEC 60947-1, EN/IEC 60947-5-1, CSA C22.2 No 14.