Front element for push button Harmony ZB5. Front white, cover black plastic, unlabeled. Front element push button for harsh environments, white. Dimensions (WxHxD) 37x18.5x37 mm, mounting diameter 22 mm, weight 0.024 kg. 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 22mm installation dimension combines easy installation, efficiency, modern design, flexibility with maximum robustness. Certifications according to CSA, UL, CE. Product standards according to UL 508, IEC 60947-5-1, IEC 60947-1, CSA C22.2.