The CJ19 family electronic devices are switching capacitor contactors designed for AC circuits in energy storage and reactive power management. This listing covers models CJ192511, CJ193211, CJ194311, CJ196321, and CJ199521. It is a single piece per , with the color variant CJ199521 and a rated size of 220V. These devices are built to operate in AC systems at 220V and 380V, making them suitable for a range of industrial and controlpanel applications that require reliable capacitor switching. Key benefits Efficient capacitor switching for reactive power management: enables timely connection or disconnection of capacitor banks to support power factor correction and voltage stability. Broad voltage compatibility: designed to operate in AC environments at 220V and 380V, suitable for various regional electrical standards. Compact, panelfriendly design: intended for easy mounting in control panels and electrical enclosures, helping to save space in electrical installations. Consistent CJ19series performance: shared design and features across CJ192511, CJ193211, CJ194311, CJ196321, and CJ199521 to simplify selection and replacement. Clear part identification: color variant CJ199521 and size indication of 220V ease identification in assemblies and sparepart inventories. Key attributes Functionality: switching capacitor contactor for AC capacitor banks and energy storage element applications. Compatibility: suitable for AC operation at 220V and 380V; designed to work with the CJ19 series variants. Size: 220V variant indicated for this listing; suitable for panel installation in standard electrical enclosures. Color: CJ199521 variant available in the product line for identification. Material and construction: designed for reliable electrical switching in control panels (specific resin/metal details are not stated here; see variant documentation for exact materials). Performance: intended to provide dependable switching of capacitor loads in energy storage and reactive power management applications. Use cases and applications Energy storage and solar PV systems: switch capacitor banks to optimize power factor and voltage stability as charge/discharge cycles vary. Industrial motor and HVAC control panels: manage reactive power by adding or removing capacitors to maintain efficient operation and reduce line losses. Electrical distribution and facility panels: integrate into control schematics to enable programmable capacitor switching for voltage regulation and PF correction in commercial or industrial facilities. Notes for installation and selection This listing encompasses multiple CJ19 models (CJ192511, CJ193211, CJ194311, CJ196321, CJ199521) within the same switching capacitor contactor family. Choose the model variant and coil/contact configuration per your system requirements. The 220V size indication refers to the operating voltage characteristic in this variant; verify the exact coil voltage and contact arrangement in the specific CJ19 model you select. For exact mechanical dimensions, mounting footprint, coil voltage, and contact ratings, refer to the corresponding CJ19 model documentation and datasheets.