CRH SeriesIndustrial grade RC contact suppressors comprising a resistor and capacitor in series to improve contact lifeMay be connected across switch or relay contacts to suppress interference generated when switching reactive loads Self healing construction and self extinguishing case 500Vac rating - single-phase and three-phase versions Moulded-in surface mounting lugs ### 电阻器电容器 (RC) 网络警告 * These devices are designed for connecting directly across a mains supply but should **NOT** be used in positions where failure of the capacitor would expose anyone to electric shock.