{"product_id":"siemens-miniature-circuit-breaker-1-pole-230-400v-10ka-3a","title":"Siemens Miniature circuit breaker, 1-pole, 230\/400V, 10kA, 3A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SY4103-7 is a SENTRON miniature circuit breaker (MCB) engineered for reliable overcurrent and short-circuit protection in low-voltage installations. As part of the 5SY4 series, it delivers robust performance for residential, commercial, and industrial distribution boards. This device features a B-characteristic tripping curve, offering sensitive short-circuit protection suited to lighting and general-purpose circuits. With a rated current of 3 A and a breaking capacity of 6 kA, the 5SY4103-7 ensures stable, precise interruption of fault conditions while maintaining Siemens’ high safety and reliability standards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSENTRON 5SY4 series miniature circuit breaker for dependable circuit protection\u003c\/li\u003e\n\u003cli\u003eB-curve tripping characteristic for standard protection of lighting and socket circuits\u003c\/li\u003e\n\u003cli\u003eRated current: 3 A\u003c\/li\u003e\n\u003cli\u003eRated breaking capacity: 6 kA according to IEC\/EN 60898-1\u003c\/li\u003e\n\u003cli\u003e1-pole device for single-phase circuit protection\u003c\/li\u003e\n\u003cli\u003eFast and precise thermal-magnetic trip unit\u003c\/li\u003e\n\u003cli\u003eSnap-on mounting for DIN rail (EN 60715)\u003c\/li\u003e\n\u003cli\u003eFinger-safe terminal design for enhanced installation safety\u003c\/li\u003e\n\u003cli\u003eHigh mechanical durability for long service life\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of SENTRON accessories\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 5SY4103-7\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\u003eType:\u003c\/strong\u003e MCB, thermal-magnetic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 3 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripping Characteristic:\u003c\/strong\u003e B-curve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Breaking Capacity:\u003c\/strong\u003e 6 kA (IEC\/EN 60898-1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage:\u003c\/strong\u003e 230\/400 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage:\u003c\/strong\u003e 440 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Impulse Withstand Voltage:\u003c\/strong\u003e 4 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Terminals:\u003c\/strong\u003e Top\/bottom, box terminals for up to 25 mm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail, snap-on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 1 module (18 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e −25 °C to +45 °C (derating above +45 °C)\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\u003eBuilt according to IEC\/EN 60898-1 standards for miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003ePart of Siemens SENTRON protective devices for global low-voltage installations\u003c\/li\u003e\n\u003cli\u003eMeets mechanical and electrical endurance requirements for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SY4103-7 is ideal for protecting single-phase circuits in residential distribution boards, commercial facilities, control panels, and light industrial systems. Its B-curve characteristics make it particularly suited for lighting circuits, general outlets, and small loads with low inrush currents. This MCB provides dependable protection against overloads and short circuits, ensuring operational safety and equipment longevity in everyday electrical installations.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775032897600,"sku":"5SY4103-7","price":299.47,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/G_I202_XX_87648I.jpg?v=1765454006","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-miniature-circuit-breaker-1-pole-230-400v-10ka-3a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}