{"product_id":"siemens-miniature-circuit-breaker-3-pole-10ka-400v-4a","title":"Siemens Miniature circuit breaker, 3-pole, 10kA, 400V, 4A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SY4304-5 is a 3-pole miniature circuit breaker from the SENTRON 5SY4 series, rated at 4 A, tripping characteristic type A, with a short-circuit breaking capacity of 10 kA at 400 V AC, designed for industrial and infrastructure installations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole design (3P) for full three-phase protection\u003c\/li\u003e\n\u003cli\u003eRated current: 4 A\u003c\/li\u003e\n\u003cli\u003eTripping characteristic: class A (designed for less inrush tolerance)\u003c\/li\u003e\n\u003cli\u003eBreaking capacity up to 10 kA (EN 60898) at 400 V AC; up to 35 kA (IEC 60947-2) in certain applications\u003c\/li\u003e\n\u003cli\u003eCompact installation depth of 70 mm, 3 modular width units\u003c\/li\u003e\n\u003cli\u003eSealable design, halogen-free and silicon-free materials\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\u003eProduct Series:\u003c\/strong\u003e Siemens SENTRON 5SY4 Miniature Circuit Breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 5SY4304-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3 (3P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripping Characteristic:\u003c\/strong\u003e A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e 4 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage (Ue):\u003c\/strong\u003e 400 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 440 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Short-Circuit Breaking Capacity (Icn):\u003c\/strong\u003e 10 kA (EN 60898) \/ 35 kA (IEC 60947-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Terminals:\u003c\/strong\u003e Top and bottom combined terminal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermissible Conductor Cross-Section:\u003c\/strong\u003e solid: 0.75–35 mm²; stranded: 0.75–35 mm²; finely stranded with end-processing: 0.75–25 mm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Depth:\u003c\/strong\u003e 70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e Approx. 54 mm (3 modular width units)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e Approx. 90 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight (Approx.):\u003c\/strong\u003e 0.456 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\u003eProtection class: IP20 (with connected conductors)\u003c\/li\u003e\n\u003cli\u003eOvervoltage category III, pollution degree 3\u003c\/li\u003e\n\u003cli\u003eRated for mechanical service life: 10 000 operating cycles (typical)\u003c\/li\u003e\n\u003cli\u003eCompliant with IEC \/ EN 60898-1, IEC \/ EN 60947-2 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 5SY4304-5 is suitable for industrial power distribution, motor feeder circuits, machine control panels and infrastructure installations where compact three-phase protection with a 4 A rating, type A tripping and high breaking capacity is required.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775095451712,"sku":"5SY4304-5","price":1566.67,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/5SY4304-5.jpg?v=1761827416","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-miniature-circuit-breaker-3-pole-10ka-400v-4a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}