{"product_id":"siemens-switch-disconnector-main-switch-rotary-3-pole-16a","title":"Siemens Switch disconnector, main switch, rotary, 3-pole, 16A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3LD2054-0TK51 is a 3-pole switch-disconnector (main-switch) from the SENTRON 3LD series. It serves as a manual isolator or main disconnect switch, providing a secure means to break supply to downstream circuits for maintenance, safety, or system isolation. Its compact design and robust construction make it suitable for control panels, distribution boards, and switchgear enclosures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole switch-disconnector — ideal for three-phase load isolation\u003c\/li\u003e\n\u003cli\u003eFront-mounted rotary handle (black), with clear ON\/OFF position indication (“1 \/ 0”)\u003c\/li\u003e\n\u003cli\u003eCompact 3LD series design — space-efficient for panel mounting\u003c\/li\u003e\n\u003cli\u003eRated operational current: 16 A (at rated conditions)\u003c\/li\u003e\n\u003cli\u003eRated insulation voltage: 690 V — suitable for typical low-voltage AC systems\u003c\/li\u003e\n\u003cli\u003eHigh surge-voltage resistance: 6 kV — robust against electrical transients\u003c\/li\u003e\n\u003cli\u003eMechanical service life: ~100,000 switching cycles — reliable for frequent use\u003c\/li\u003e\n\u003cli\u003eElectrical endurance: up to 6,000 switching cycles under specified AC-23 A load conditions\u003c\/li\u003e\n\u003cli\u003eProtection class: IP65 (front) — dust- and water-jet resistant when installed correctly, suitable for demanding environments\u003c\/li\u003e\n\u003cli\u003eCan be used for main isolation, maintenance shut-off, or as a general circuit disconnect switch\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 3LD2054-0TK51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 3-pole switch-disconnector (SENTRON 3LD series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3 (for 3-phase supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current (Iu):\u003c\/strong\u003e 16 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage:\u003c\/strong\u003e 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Withstand:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Duty \/ Use Category:\u003c\/strong\u003e Suitable for AC-21 \/ AC-23 A operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e ~100,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance:\u003c\/strong\u003e ~6,000 switching cycles (under AC-23 A, 690 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting \/ Operation:\u003c\/strong\u003e Front-mounted rotary handle, fixed installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (front):\u003c\/strong\u003e IP65 — requires proper sealing and enclosure for full protection rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Cases:\u003c\/strong\u003e Main switch, maintenance isolation, safety isolation, circuit isolation in control cabinets \/ distribution boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered as part of the SENTRON 3LD switch-disconnector product range — adhering to industrial isolation and safety norms\u003c\/li\u003e\n\u003cli\u003eRated for typical low-voltage 3-phase AC systems up to 690 V\u003c\/li\u003e\n\u003cli\u003eDesigned for both front-panel installation and robust environmental protection when mounted correctly (IP65 front protection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3LD2054-0TK51 is ideal for use as a main isolator or maintenance switch in distribution panels, machine control cabinets, or general switchgear. It can be used to manually disconnect power for maintenance, serve as a safety isolation point, or act as a general on\/off switch for three-phase loads. Suitable for both industrial and commercial electrical installations.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775039451200,"sku":"3LD2054-0TK51","price":679.75,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3LD2054-0TK51.jpg?v=1764770275","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-switch-disconnector-main-switch-rotary-3-pole-16a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}