{"id":713,"date":"2021-04-25T07:46:18","date_gmt":"2021-04-25T07:46:18","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&p=713"},"modified":"2026-04-21T15:05:58","modified_gmt":"2026-04-21T07:05:58","slug":"rw12-36-14-36kv-porcelain-drop-out-fuse-cutout","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/vi\/product\/rw12-36-14-36kv-porcelain-drop-out-fuse-cutout\/","title":{"rendered":"RW12-36-14 36kV Porcelain Drop-out Fuse Cutout"},"content":{"rendered":"
\n

Product Overview<\/h2>\n
The RW12-24-10 24kV Porcelain Drop-out Fuse Cutout is a robust outdoor high-voltage protection device, specifically engineered for 20kV\/24kV overhead distribution networks and distribution transformers. Constructed with a high-grade, weather-resistant porcelain insulator, this fuse cutout offers superior mechanical strength, excellent insulation stability, and exceptional durability in harsh outdoor environments. It serves as a critical protective component, reliably interrupting overload and short-circuit currents to safeguard power transformers, lines, and other electrical equipment.<\/div>\n
Compliant with international standards including IEC 60282-2, ANSI C37.41, and GB\/T 15166.3, the RW12-24-10 series fuse cutout has undergone rigorous type testing, ensuring stable performance under extreme conditions such as high temperature, low temperature, high humidity, and pollution. Its reliable drop-out mechanism provides a clear, visible break upon operation, facilitating safe maintenance and rapid fault identification.<\/div>\n

Complete Technical Specifications<\/h2>\n
\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
Parameter Name<\/div>\n<\/td>\n
\n
Standard Specification<\/div>\n<\/td>\n
\n
Detailed Remarks (SEO-Friendly)<\/div>\n<\/td>\n<\/tr>\n
\n
Model Number<\/div>\n<\/td>\n
\n
RW12-24-10\/100, RW12-24-10\/200<\/div>\n<\/td>\n
\n
Standard series for 24kV power systems, compatible with 20kV\/24kV distribution networks<\/div>\n<\/td>\n<\/tr>\n
\n
Rated Voltage<\/div>\n<\/td>\n
\n
24kV<\/div>\n<\/td>\n
\n
Suitable for 20kV\/24kV power grids, maximum system voltage \u226424kV, ideal for 24kV transformer protection<\/div>\n<\/td>\n<\/tr>\n
\n
Rated Current<\/div>\n<\/td>\n
\n
100A \/ 200A (optional)<\/div>\n<\/td>\n
\n
Standard ratings for 24kV fuse cutout, fuse link current \u226480% of fuse body rating, customizable 50A-200A<\/div>\n<\/td>\n<\/tr>\n
\n
Breaking Current<\/div>\n<\/td>\n
\n
100A model: 8000A; 200A model: 10000A<\/div>\n<\/td>\n
\n
Symmetrical breaking capacity, full breaking time \u226415ms, reliable short-circuit interruption for 24kV lines<\/div>\n<\/td>\n<\/tr>\n
\n
Impulse Withstand Voltage (BIL)<\/div>\n<\/td>\n
\n
150kV<\/div>\n<\/td>\n
\n
1.2\/50\u03bcs waveform, strong lightning protection for 24kV outdoor fuse cutout, anti-surge performance<\/div>\n<\/td>\n<\/tr>\n
\n
Power Frequency Withstand Voltage<\/div>\n<\/td>\n
\n
70kV (dry test); 55kV (wet test)<\/div>\n<\/td>\n
\n
1-minute test duration, excellent insulation performance for 24kV porcelain fuse, adapt to harsh outdoor environment<\/div>\n<\/td>\n<\/tr>\n
\n
Creepage Distance<\/div>\n<\/td>\n
\n
540mm<\/div>\n<\/td>\n
\n
High anti-pollution performance, suitable for Grade III pollution areas, 24kV anti-pollution porcelain fuse cutout<\/div>\n<\/td>\n<\/tr>\n
\n
Insulator Material<\/div>\n<\/td>\n
\n
High-strength alumina porcelain<\/div>\n<\/td>\n
\n
UV-resistant, frost-resistant, corrosion-proof, high mechanical strength, durable for 24kV outdoor use<\/div>\n<\/td>\n<\/tr>\n
\n
Contact Material<\/div>\n<\/td>\n
\n
Tin-plated \/ silver-plated copper alloy<\/div>\n<\/td>\n
\n
Low contact resistance \u226480\u03bc\u03a9, arc-resistant, oxidation-resistant, ensure stable current transmission for 24kV fuse<\/div>\n<\/td>\n<\/tr>\n
\n
Fuse Tube Material<\/div>\n<\/td>\n
\n
Epoxy glass cloth tube + arc-extinguishing lining<\/div>\n<\/td>\n
\n
High-temperature resistant, strong arc-extinguishing capability, protect 24kV power equipment from short-circuit damage<\/div>\n<\/td>\n<\/tr>\n
\n
Operating Temperature<\/div>\n<\/td>\n
\n
-40\u00b0C to +85\u00b0C<\/div>\n<\/td>\n
\n
Wide environmental adaptability, suitable for extreme climate conditions of 24kV outdoor power grids<\/div>\n<\/td>\n<\/tr>\n
\n
Mounting Type<\/div>\n<\/td>\n
\n
Pole-mounted \/ cross-arm mounted<\/div>\n<\/td>\n
\n
Vertical installation, angle 25\u00b0\u00b12\u00b0 from vertical, easy installation for 24kV overhead distribution lines<\/div>\n<\/td>\n<\/tr>\n
\n
Weight<\/div>\n<\/td>\n
\n
Approx. 8.0 kg<\/div>\n<\/td>\n
\n
Sturdy structure, stable installation, easy hoisting for 24kV outdoor pole-mounted fuse cutout<\/div>\n<\/td>\n<\/tr>\n
\n
Overall Dimensions<\/div>\n<\/td>\n
\n
520\u00d7400\u00d7140mm<\/div>\n<\/td>\n
\n
Standard mounting size, compatible with common 24kV fuse cutout fittings, interchangeable with standard models<\/div>\n<\/td>\n<\/tr>\n
\n
Standards Compliance<\/div>\n<\/td>\n
\n
IEC 60282-2, ANSI C37.41, GB\/T 15166.3<\/div>\n<\/td>\n
\n
Fully compliant with international and national standards, meet 24kV fuse cutout export and project acceptance requirements<\/div>\n<\/td>\n<\/tr>\n
\n
Mechanical Life<\/div>\n<\/td>\n
\n
\u22652000 operations (closing and opening)<\/div>\n<\/td>\n
\n
Durable hinge mechanism, flexible operation, long service life for 24kV outdoor porcelain fuse cutout<\/div>\n<\/td>\n<\/tr>\n
\n
Rated Frequency<\/div>\n<\/td>\n
\n
50Hz \/ 60Hz<\/div>\n<\/td>\n
\n
Global grid compatibility, suitable for 24kV power systems worldwide<\/div>\n<\/td>\n<\/tr>\n
\n
Arc Extinguishing Method<\/div>\n<\/td>\n
\n
Expulsion-type arc extinguishing<\/div>\n<\/td>\n
\n
Fast arc extinguishing, no arc splashing, ensure safe operation of 24kV distribution networks<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Key Features & Advantages<\/h2>\n
    \n
  • \n
    Premium Porcelain Insulation<\/strong>: Built with high-quality alumina porcelain for exceptional insulation, high mechanical strength, and resistance to UV rays, extreme temperatures, and chemical corrosion, ensuring long service life in harsh outdoor conditions for 24kV power systems.<\/div>\n<\/li>\n
  • \n
    Superior Breaking Performance<\/strong>: Advanced expulsion-type arc-extinguishing design delivers reliable and rapid interruption of rated short-circuit currents (8000A\/10000A), effectively protecting 24kV transformers and overhead lines.<\/div>\n<\/li>\n
  • \n
    High Pollution Resistance<\/strong>: Generous creepage distance (540mm) and specialized porcelain surface provide excellent resistance to fog, dust, and industrial pollution, suitable for heavy pollution areas of 24kV power grids.<\/div>\n<\/li>\n
  • \n
    Visible Disconnection<\/strong>: The fuse tube drops visibly upon operation, creating an obvious air-break gap for safe maintenance and clear fault indication, improving 24kV power system maintenance efficiency.<\/div>\n<\/li>\n
  • \n
    Stable & Reliable<\/strong>: All metal components are hot-dip galvanized or plated for maximum corrosion resistance. The mechanical structure ensures precise contact and dependable drop-out action for 24kV outdoor use.<\/div>\n<\/li>\n
  • \n
    Easy Installation & Maintenance<\/strong>: Standardized design fits common pole and cross-arm mounting brackets. Fuse links are easily replaceable, minimizing downtime for 24kV distribution networks.<\/div>\n<\/li>\n<\/ul>\n

    Applications<\/h2>\n
    The RW12-24-10 24kV Porcelain Drop-out Fuse Cutout is primarily applied for:<\/div>\n
      \n
    • \n
      Overload and short-circuit protection for 20kV\/24kV distribution transformers (up to 500kVA).<\/div>\n<\/li>\n
    • \n
      Protection and sectionalization of 24kV overhead distribution lines and branch feeders.<\/div>\n<\/li>\n
    • \n
      Wind farms, solar PV stations, and other renewable energy power systems at 20kV\/24kV level.<\/div>\n<\/li>\n
    • \n
      Industrial and mining enterprises, urban and rural power grids requiring robust outdoor protection for 24kV equipment.<\/div>\n<\/li>\n
    • \n
      Areas with high pollution, coastal salt fog, and extreme weather conditions for 24kV power transmission.<\/div>\n<\/li>\n<\/ul>\n

      Optional Accessories<\/h2>\n
        \n
      • \n
        Arc-shortening rod (for enhanced interrupting performance of 24kV fuse cutout)<\/div>\n<\/li>\n
      • \n
        NEMA standard mounting bracket (compatible with 24kV outdoor installation)<\/div>\n<\/li>\n
      • \n
        Stainless steel fittings (for extreme corrosion resistance in 24kV coastal power grids)<\/div>\n<\/li>\n
      • \n
        Custom fuse links (10A to 200A, matching 24kV different load requirements)<\/div>\n<\/li>\n<\/ul>\n

        Quality Assurance<\/h2>\n
        Each unit is 100% factory tested for power frequency voltage, insulation resistance, and mechanical operation. Full type tests conducted per IEC 60282-2. Certificate of compliance available upon request for 24kV fuse cutout projects.<\/div>\n<\/div>\n

         <\/p>\n

        Outline Drawing:<\/strong><\/h2>\n

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