{"product_id":"siemens-sentron-switch-disconnector-main-switch-1nc-1no-3-pole","title":"Siemens Sentron Switch disconnector, main switch, 1NC+1NO, 3-pole","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3LD2164-1GP51 is a 3-pole switch-disconnector (isolator \/ main switch) from the Siemens SENTRON 3LD family. It serves as a compact main switch or isolator for industrial and commercial electrical installations, providing a reliable means to manually disconnect circuits for maintenance, safety, or control. With a 25 A rating and solid mechanical design, it’s suitable for controlling and isolating loads up to moderate power levels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole switch-disconnector \/ isolator for AC circuits\u003c\/li\u003e\n\u003cli\u003eRated operational current: 25 A (AC-21 \/ AC-22); suitable for loads up to approx. 9.5 kW at 400 V (AC-23 A rating)\u003c\/li\u003e\n\u003cli\u003eRotary handle operation for clear ON \/ OFF switching (manual control)\u003c\/li\u003e\n\u003cli\u003eCompact molded-plastic enclosure with metric screw connections — ideal for cabinet or panel installation\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts: 1 NO + 1 NC — enable signalling or interlocking when needed\u003c\/li\u003e\n\u003cli\u003eHigh insulation and surge withstand: rated insulation 690 V, surge resistance 6 kV — appropriate for industrial environments\u003c\/li\u003e\n\u003cli\u003eProtection class: IP65 (when front-mounted) — suitable for enclosure or external-door mounting in industrial settings\u003c\/li\u003e\n\u003cli\u003eMechanical and electrical robustness: typical 100,000 mechanical operations; rated for repeated switching\u003c\/li\u003e\n\u003cli\u003eConfigurable for lock-off (padlocking) in OFF position — enhances safety during maintenance\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\u003eArticle Number:\u003c\/strong\u003e 3LD2164-1GP51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 3-pole Switch-Disconnector \/ Isolator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current:\u003c\/strong\u003e 25 A (AC-21 \/ AC-22); 20 A at AC-23 A under certain load conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operating Power:\u003c\/strong\u003e Up to ~9.5 kW at 400 V AC (depending on load type and load category)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 1 NO + 1 NC, rated 10 A \/ 500 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage:\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Withstand:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP65 (front, when door\/cabinet mounted)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Lifespan:\u003c\/strong\u003e ~100,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance:\u003c\/strong\u003e Rated for AC-23 A switching at 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Enclosure or panel mounting — fixed installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature Range:\u003c\/strong\u003e –25 °C to +55 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLock-off Capable:\u003c\/strong\u003e Yes — can be locked in OFF position for safety \/ maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw-type terminations for main and auxiliary circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3LD2164-1GP51 is suitable as a main switch or isolator for motor control circuits, distribution panels, branch circuits, or general electrical installations where a reliable manual disconnection point is required. Typical uses include machinery isolation, maintenance safety, control panels, switchboards, small to medium load circuits, and industrial or commercial installations requiring a durable, lockable isolator with auxiliary contact options.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775034929216,"sku":"3LD2164-1GP51","price":1391.56,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3LD2164-1GP51.jpg?v=1765350161","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-sentron-switch-disconnector-main-switch-1nc-1no-3-pole","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}