{"product_id":"wldg2-dc-disconnector-switch","title":"WLDG2 DC Disconnector Switch | High-Voltage DC Isolation Device","description":"\u003ch2\u003eWLDG2 DC Disconnector Switch\u003c\/h2\u003e\u003cp\u003eThe WLDG2 is a DC disconnector (isolating switch) designed to provide safe, visible isolation of high-voltage DC circuits in traction power substations, industrial power systems, and energy infrastructure. When maintenance or inspection is required, the WLDG2 ensures a clear, verifiable break in the circuit — protecting personnel and equipment with confidence.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible Break Isolation:\u003c\/strong\u003e Provides a clear, verifiable open-circuit position for safe maintenance operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh DC Voltage Rating:\u003c\/strong\u003e Suitable for traction substation and industrial DC power applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLockable in Open Position:\u003c\/strong\u003e Supports lockout\/tagout (LOTO) safety procedures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Insulation:\u003c\/strong\u003e High dielectric strength to withstand DC system transient overvoltages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Contact Resistance:\u003c\/strong\u003e Minimizes power loss during normal operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Panel-Mount Design:\u003c\/strong\u003e Suitable for integration into DC switchgear cabinets and distribution boards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDC traction power substations (metro, light rail, tram)\u003c\/li\u003e\n\u003cli\u003eIndustrial DC power distribution and isolation\u003c\/li\u003e\n\u003cli\u003eSemiconductor rectifier and converter equipment maintenance isolation\u003c\/li\u003e\n\u003cli\u003eEnergy storage system service disconnection\u003c\/li\u003e\n\u003cli\u003eRailway ground power infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStandards Compliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGB\/T 25890.1 — Railway Applications: Ground DC Switchgear, Part 1: General\u003c\/li\u003e\n\u003cli\u003eGB\/T 14048.3 — Low-voltage switchgear: Switches, disconnectors, switch-disconnectors and fuse-combination units (IEC 60947-3)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM\/ODM available.\u003c\/strong\u003e Contact Wanlong Electric for detailed technical specifications, custom configurations, and volume pricing.\u003c\/p\u003e","brand":"Wan Long Electric Group Co., Ltd.","offers":[{"title":"Default Title","offer_id":43941301682242,"sku":null,"price":5800.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/1221\/0242\/files\/Automatic_Transfer_Switches_ATS.jpg?v=1783304470","url":"https:\/\/wanlongelectric.com\/products\/wldg2-dc-disconnector-switch","provider":"Wan Long Electric Group Co., Ltd.","version":"1.0","type":"link"}