{"product_id":"siemens-miniature-circuit-breaker-c-1-n-pole-230v-10ka-3a","title":"Siemens Miniature circuit breaker, C, 1+N-pole, 230V, 10kA, 3A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SY4503-7 is a SENTRON 5SY4 miniature circuit breaker (MCB) with 1+N-pole configuration, providing reliable over-current and short-circuit protection for small circuits in residential, commercial or light-industrial installations. Its compact 2-module DIN-rail design and screw-terminal connections make it suitable for distribution boards, control panels and general purpose circuit protection.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 + N-pole miniature circuit breaker (1P + N)\u003c\/li\u003e\n\u003cli\u003eRated current: 3 A\u003c\/li\u003e\n\u003cli\u003eTripping characteristic: Class C — suitable for general circuits and light inductive loads\u003c\/li\u003e\n\u003cli\u003eCompact 2-module width for space-efficient DIN-rail installation\u003c\/li\u003e\n\u003cli\u003eSwitchable neutral conductor (1 + N configuration)\u003c\/li\u003e\n\u003cli\u003eCombined top and bottom terminals (flexible wiring for live and neutral conductors)\u003c\/li\u003e\n\u003cli\u003eTouch-protected, halogen-free, sealable and silicon-free design\u003c\/li\u003e\n\u003cli\u003eStandard screw-terminal connections for solid, stranded, or finely stranded conductors\u003c\/li\u003e\n\u003cli\u003eBreaking capacity up to 10 kA (according to EN 60898 \/ IEC 60947-2), high DC breaking capacity for versatility\u003c\/li\u003e\n\u003cli\u003eQuick-assembly mounting system for fast installation and removal\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 5SY4503-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SENTRON 5SY4 miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles \/ Configuration:\u003c\/strong\u003e 1P + N (2-pole: phase + neutral)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e 3 A (AC, 230 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage (AC):\u003c\/strong\u003e 230 V AC (single-phase), 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 250 V AC (single-phase) \/ 440 V AC (multi-phase) as per 5SY4 series standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Breaking Capacity (Icn \/ Icu):\u003c\/strong\u003e 10 kA (EN 60898 standard) \/ higher under IEC 60947-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Breaking Capacity (according to IEC 60947-2):\u003c\/strong\u003e 15 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Width:\u003c\/strong\u003e 2 modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (approx. H × W × D):\u003c\/strong\u003e 90 mm × 36 mm × 76 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN-rail (35 mm) quick-assembly or panel mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectable Conductor Cross-Section:\u003c\/strong\u003e 0.75 … 35 mm² (solid or stranded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (with conductors connected):\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life (typical):\u003c\/strong\u003e approx. 10,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature Range:\u003c\/strong\u003e –40 °C … +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvervoltage Category \/ Pollution Degree:\u003c\/strong\u003e Category III \/ Pollution Degree 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeutral Conductor Switching:\u003c\/strong\u003e Yes (1+N configuration)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Features:\u003c\/strong\u003e Touch protection; halogen-free; sealable; silicon-free\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\u003eCompliant with IEC \/ EN 60898-1 for miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003eAlso compliant with IEC \/ EN 60947-2 for industrial applications where higher breaking capacity is required\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured according to Siemens SENTRON 5SY4 series standards for safety, durability and installation flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 5SY4503-7 is ideal for protective switching of small lighting circuits, socket-outlet circuits, control circuits or other general purpose low-current circuits in residential buildings, commercial installations or light industrial environments. Its 1+N-pole design with switchable neutral, compact DIN-rail format, and combined terminal connections make it particularly suitable for modern distribution boards, retrofit installations or modular panel wiring schemes where efficient space usage and reliable over-current protection are needed.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775067729984,"sku":"5SY4503-7","price":488.89,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/5SY4503-7.jpg?v=1764163293","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-miniature-circuit-breaker-c-1-n-pole-230v-10ka-3a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}