{"product_id":"siemens-load-disconnector-3ld3-3-pole-25a-main-switch","title":"Siemens Load disconnector 3LD3, 3-pole, 25A main switch","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens SIRIUS 3LD3 main switch\/disconnector (SKU: 3LD3140-0TK11) is a 3-pole fixed mounting unit designed for panel and floor-mounted installations with door coupling. Rated for 25 A operational current, this device provides robust switching and isolation functionality ideal for industrial applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole main switch\/disconnector for SIRIUS system with 25 A rating\u003c\/li\u003e\n\u003cli\u003eRated operating power at AC-23 A: up to 10 kW at 400 V, 9 kW at 440 \/ 690 V\u003c\/li\u003e\n\u003cli\u003eFixed mounting with door coupling and central hole mounting (22.5 mm toggle drive, 48×48 mm front cutout)\u003c\/li\u003e\n\u003cli\u003eHigh insulation voltage rating (690 V) and surge voltage resistance of 6 kV\u003c\/li\u003e\n\u003cli\u003eDesigned for harsh environments: protection class IP65 (front) and NEMA rating 1, 3R, 4X, 12\u003c\/li\u003e\n\u003cli\u003eLockable in OFF position to support safe maintenance\u003c\/li\u003e\n\u003cli\u003eConditional short-circuit current rating: up to 10 kA at 440 V for gG fuse protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Main switch\/disconnector, SIRIUS 3LD3 series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3LD3140-0TK11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Current (Iₙ):\u003c\/strong\u003e 25 A (AC-21)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operating Power:\u003c\/strong\u003e AC-23 A: 4 kW @ 240 V; 10 kW @ 400 V; 9 kW @ 440\/690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage (Uᵢ):\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Resistance:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Current (Conditional):\u003c\/strong\u003e Up to 10 kA @ 440 V with gG fuse; I²t max 4 kA²·s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLockable OFF Position:\u003c\/strong\u003e Yes (hasp thickness 4-6 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (H × W × D):\u003c\/strong\u003e 60 mm × 36 mm × 380 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight (approx.):\u003c\/strong\u003e 0.30 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life (typ.):\u003c\/strong\u003e 100,000 cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance (typ., AC-23 A 690 V):\u003c\/strong\u003e 6,000 cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCE-marking\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eDesigned for NEMA 1, 3R, 4X, 12 enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for use as a main switch or disconnector in low-voltage switchgear and control panels. Suitable for industrial environments requiring a reliable means of isolation and switching, including floor-mounted or panel-door installations with built-in security via lockable OFF position.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775100629056,"sku":"3LD3140-0TK11","price":685.71,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3LD3140-0TK11.jpg?v=1761571683","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-load-disconnector-3ld3-3-pole-25a-main-switch","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}