Key Features\n\n\n\n

Advanced Safety Design\n\n\n\n

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• Ultra-Fast Operation: Achieves full grounding in under 0.5 seconds\n\n\n\n
• Dual Certification: Compliant with IEC 62271-102 and GB1985 standards\n\n\n\n
• Visual Position Indicator: Clear mechanical status display\n\n\n\n\n

  Extreme Durability\n\n\n\n

  \n
  • Wide Temperature Range: Operates from -25\u00b0C to +45\u00b0C\n\n\n\n
  • Seismic Resistance: Withstands 8-magnitude earthquakes\n\n\n\n
  • 2000 Mechanical Cycles: Maintenance-free operation lifespan\n\n\n\n\n

    Flexible Integration\n\n\n\n

    \n
    • Dual-Side Operation: Left or right manual control options\n\n\n\n
    • Compact Design: Optimized for standard switchgear cabinets\n\n\n\n
    • Interlock Compatibility: Works with KYN61-40.5 and GFC-40.5 panels\n\n\n\n\n

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      \n\n\n\n

      Technical Specifications\n\n\n\n

      Parameter	Value	Unit
      Rated Voltage	40.5	kV
      Rated Short-Time Current	31.5	kA
      Short-Circuit Duration	4	s
      Peak Withstand Current	80	kA
      Power Frequency Withstand	65	kV
      Lightning Impulse Withstand	125	kV
      Mechanical Life	2000	ops\n\n\n\n Environmental Specifications\n\n\n\n \n Operating Altitude: \u22641000m (customizable up to 3000m)\n\n\n\n Pollution Degree: Class II\n\n\n\n Relative Humidity: \u226495% (daily average)\n\n\n\n\n \n\n\n\n Application Scenarios\n\n\n\n Power Distribution Systems\n\n\n\n \n Transformer secondary circuit grounding\n\n\n\n Busbar sectionalizing protection\n\n\n\n\n Industrial Facilities\n\n\n\n \n Steel plant electric arc furnace safety\n\n\n\n Chemical plant emergency shutdown systems\n\n\n\n\n Renewable Energy\n\n\n\n \n Wind farm collector station protection\n\n\n\n Solar PV plant combiner box grounding\n\n\n\n\n \n\n\n\n Installation & Dimensions\n\n\n\n \n\n\n\n Standard Configuration\n\n\n\n Component Dimension (mm) Phase Spacing 280-400 Overall Length 600-810 Operating Handle 360\u00b0 rotation\n\n\n\n \n\n\n\n Maintenance Guide\n\n\n\n Pre-Operation Checks\n\n\n\n \n Verify insulation resistance \u22651000M\u03a9 (2500V Megger test)\n\n\n\n Confirm contact resistance \u226450\u03bc\u03a9 (DC 100A measurement)\n\n\n\n\n Routine Maintenance\n\n\n\n \n Annual contact surface cleaning\n\n\n\n Biennial lubrication of rotating parts\n\n\n\n 5-year dielectric strength retest\n\n\n\n\n \n\n\n\n Competitive Advantages\n\n\n\n Performance Comparison\n\n\n\n Feature JN15-40.5 Industry Average Activation Speed 0.3-0.5s 1.0-1.5s Contact Material CuCr50 Alloy Electrolytic Copper Warranty Coverage 5 years 2-3 years\n\n\n\n \n\n\n\n Frequently Asked Questions\n\n\n\n Q: Can this switch be used in coastal environments? A: Yes, optional anti-salinity coating is available for corrosion protection.\n\n\n\n Q: Is motorized operation supported? A: Manual standard version, with optional motorized actuator (24V\/220V).\n\n\n\n Q: Delivery lead time for bulk orders? A: 4-6 weeks for standard configurations.\n","protected":false},"excerpt":{"rendered":" Overview The JN15-40.5 Indoor High-Voltage Earthing Switch is a critical safety component designed for medium-voltage power systems. Engineered to meet global standards, it provides reliable grounding protection for 40.5kV AC networks (50\/60Hz) in substations, industrial plants, and renewable energy installations. Key Features Advanced Safety Design Extreme Durability Flexible Integration Technical Specifications Parameter Value Unit Rated Voltage 40.5 […]\n","protected":false},"author":1,"featured_media":1315,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earthing-switch"],"acf":[],"yoast_head":"\n