{"product_id":"siemens-switch-disconnector-main-switch-3-pole-black-125a","title":"Siemens Switch disconnector, main switch, 3-pole, black, 125A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3LD2804-0TK51 is a SENTRON 3LD-series 3-pole switch disconnector \/ main switch designed for safe disconnection, load switching and maintenance isolation in industrial and commercial electrical installations. It supports high current (125 A) and high operating voltage (up to 690 V AC), making it suitable for use as a main switch or disconnect switch in power distribution boards, motor control centers, and heavy-load circuits.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole main switch \/ switch disconnector\u003c\/li\u003e\n\u003cli\u003eRated operational current: 125 A (AC-21 service) \/ 80 A (AC-23 load-switching)\u003c\/li\u003e\n\u003cli\u003eRated operational voltage up to 690 V AC\u003c\/li\u003e\n\u003cli\u003eFront-mount rotary handle (short rotary knob), 4-hole mounting\u003c\/li\u003e\n\u003cli\u003eHigh power switching capability: up to 45 kW at 400 V (AC-23 load-switching)\u003c\/li\u003e\n\u003cli\u003eProtection class IP65 on front — suitable for panel\/front-mounted installations in harsh environments\u003c\/li\u003e\n\u003cli\u003eCan be locked in OFF position (padlockable) for maintenance \/ safety use\u003c\/li\u003e\n\u003cli\u003eFixed-mount design for robust and secure installation\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 3LD2804-0TK51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SENTRON 3LD switch disconnectors \/ main switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current (AC-21):\u003c\/strong\u003e 125 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Load-Switching Current (AC-23) at 400 V:\u003c\/strong\u003e 80 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage (Ue):\u003c\/strong\u003e up to 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Withstand (Uimp):\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Capacity \/ Power Ratings:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eAC-23 \/ 400 V: 45 kW\u003c\/li\u003e\n\u003cli\u003eAC-23 \/ 690 V: 37 kW\u003c\/li\u003e\n\u003cli\u003eAC-3 \/ 400 V: 37 kW\u003c\/li\u003e\n\u003cli\u003eAC-3 \/ 690 V: 30 kW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (Front):\u003c\/strong\u003e IP65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Front-mount with 4-hole attachment (fixed-mount)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator:\u003c\/strong\u003e Short rotary knob (black), manual ON\/OFF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Endurance:\u003c\/strong\u003e ~100 000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance (AC-23 \/ 400 V):\u003c\/strong\u003e 6 000 cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Frequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e –25 °C … +55 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight (approx.):\u003c\/strong\u003e 0.488 kg\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\u003eDesigned for use as main switch, switch disconnector, maintenance\/repair switch or safety switch\u003c\/li\u003e\n\u003cli\u003ePadlockable OFF position for maintenance safety\u003c\/li\u003e\n\u003cli\u003eSurge voltage and insulation ratings compliant with industrial low-voltage standards\u003c\/li\u003e\n\u003cli\u003eFront protection IP65 ensures suitability for panel-mounted applications, even in harsh or dusty environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis switch disconnector is ideal as a main isolator or maintenance switch in power distribution boards, motor control centers, and industrial switchgear panels. Typical uses include isolation of entire circuits or machines for maintenance, safe switching of heavy loads, load-side disconnection for motors or equipment, and secure control panels where a lockable, front-mounted isolator is required. Its high current, high voltage, and IP65 front rating make it suitable for industrial, commercial and demanding environments.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775071400000,"sku":"3LD2804-0TK51","price":2895.24,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3LD2804-0TK51.jpg?v=1764159190","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-switch-disconnector-main-switch-3-pole-black-125a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}