{"product_id":"siemens-switch-disconnector-4-pole-1nc-1no-9-5kw-25a","title":"Siemens Switch disconnector, 4-pole, 1NC + 1NO, 9.5kW, 25A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3LD2154-2EP53 is a 4-pole switch-disconnector from the SENTRON 3LD family, designed for panel mounting as a mains isolator, emergency-stop or maintenance switch. It features a rotary red\/yellow handle for manual ON\/OFF control, supports up to 25 A operational current, and is rated for 9.5 kW at 400 V (AC-23 A), making it suitable for controlling and isolating mains power for machinery or control circuits. The front-mounted, IP65-rated enclosure allows use even in demanding industrial or outdoor environments, with lockable OFF position and reliable switching performance.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSENTRON 3LD series 4-pole switch-disconnector \/ isolator\u003c\/li\u003e\n\u003cli\u003eOperational current: 25 A; switching capacity: up to 9.5 kW at 400 V (AC-23 A)\u003c\/li\u003e\n\u003cli\u003eSuitable for use as main switch, maintenance disconnector, emergency-stop or general power isolator\u003c\/li\u003e\n\u003cli\u003eRotary operate mechanism with red\/yellow handle — clearly visible emergency-stop style actuation\u003c\/li\u003e\n\u003cli\u003eFront-mount design with 22.5 mm center-hole handle installation — suitable for control-panel or door mounting\u003c\/li\u003e\n\u003cli\u003eLockable OFF position — can be secured with padlock to prevent unauthorized reactivation\u003c\/li\u003e\n\u003cli\u003e4-pole configuration — supports switching of all phases plus neutral \/ ground as required\u003c\/li\u003e\n\u003cli\u003eProtection class: IP65 (front) — dust tight and water-jet protected, suitable for industrial or outdoor use\u003c\/li\u003e\n\u003cli\u003eElectrical insulation rating: 690 V; surge-voltage resistance: 6 kV — robust for industrial mains switching\u003c\/li\u003e\n\u003cli\u003eMechanical endurance: typically 100,000 operations; electrical durability supports frequent switching cycles\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 3LD2154-2EP53\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 4-pole switch-disconnector \/ isolator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Current (AC):\u003c\/strong\u003e 25 A (at 40–55 °C ambient)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Capacity (AC-23 A, 400 V):\u003c\/strong\u003e 9.5 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation 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\u003ePoles:\u003c\/strong\u003e 4 (all-pole switching including neutral\/ground)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Front-mount, panel \/ door installation via 22.5 mm center hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle \/ Actuator:\u003c\/strong\u003e Rotary knob — red\/yellow, ON-OFF control, visible position indicator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLockable OFF Position:\u003c\/strong\u003e Yes (with padlock, hasp thickness 4–8 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP65 (front), suitable for harsh \/ outdoor \/ industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Durability:\u003c\/strong\u003e approx. 100,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Use Cases:\u003c\/strong\u003e Main switch, isolation switch, emergency-stop switch, maintenance disconnector\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\u003ePart of the Siemens SENTRON 3LD switch-disconnector family — industrial-grade low-voltage switching solution\u003c\/li\u003e\n\u003cli\u003eAdheres to IEC\/EN standards for manual load disconnecting devices and isolators under low-voltage switchgear regulations\u003c\/li\u003e\n\u003cli\u003eSuitable for use in control panels, distribution boxes, machinery enclosures or outdoor electrical cabinets (IP65 protection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3LD2154-2EP53 is ideal as a main power isolator, emergency-stop switch, or maintenance disconnector for industrial machines, control panels, motor feeders, HVAC systems, or any installation needing safe disconnection of all supply phases including neutral. Its robust IP65 enclosure makes it suitable for indoor and outdoor environments, while the lockable OFF position and visible handle provide safety and compliance for maintenance, repair, or emergency-shutdown procedures.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775035584576,"sku":"3LD2154-2EP53","price":1161.11,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3LD2154-2EP53.jpg?v=1765175104","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-switch-disconnector-4-pole-1nc-1no-9-5kw-25a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}