{"product_id":"siemens-miniature-circuit-breaker-c-1-pole-230-400v-10ka-40a","title":"Siemens Miniature circuit breaker, C, 1-pole, 230\/400V, 10kA, 40A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SY4140-7 is a 1-pole miniature circuit breaker from the SENTRON 5SY4 series, rated for 40 A, with a C-curve tripping characteristic, and designed for 230\/400 V AC applications. It features a compact 18 mm width, a breaking capacity of up to 10 kA (according to EN 60898) and is suited for both industrial and infrastructure installations where reliable overload and short-circuit protection are required.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1-pole miniature circuit breaker, SENTRON 5SY4 series\u003c\/li\u003e\n\u003cli\u003eRated current: 40 A\u003c\/li\u003e\n\u003cli\u003eTripping characteristic: C-curve (suitable for general branch-circuit protection)\u003c\/li\u003e\n\u003cli\u003eRated supply voltage: 230\/400 V AC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003eBreaking capacity: 10 kA at AC (EN 60898); up to 15 kA under IEC 60947-2 conditions\u003c\/li\u003e\n\u003cli\u003eNarrow width: 18 mm (1 module width) — saves panel space\u003c\/li\u003e\n\u003cli\u003eHalogen-free, silicon-free, sealable design for industrial reliability\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 5SY4140-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1 (single-phase or phase conductor)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (AC):\u003c\/strong\u003e 40 A at 40 °C ambient\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage (Ui):\u003c\/strong\u003e 440 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Breaking Capacity (Icn):\u003c\/strong\u003e – 10 kA according to EN 60898 – up to 15 kA according to IEC 60947-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e Typically 10,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth (Module Units):\u003c\/strong\u003e 18 mm (1 module)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 76 mm; installation depth: 70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature Range:\u003c\/strong\u003e –40 °C to +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque (Screw Terminals):\u003c\/strong\u003e 2.5 – 3.5 N·m\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 and certified in accordance with IEC \/ EN 60898-1 and IEC \/ EN 60947-2 standards for miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003eSuitable for use in infrastructure and industrial installations with degree of pollution 3 and over-voltage category III\u003c\/li\u003e\n\u003cli\u003eHalogen-free and sealable design meets industrial requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for branch-circuit protection in control panels, machine installations and distribution boards in industrial, infrastructure or commercial environments. The 5SY4140-7 provides reliable overload and short-circuit protection in space-constrained installations, especially where a compact 18 mm width is beneficial.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775074218048,"sku":"5SY4140-7","price":371.3,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/5SY4140-7.jpg?v=1763717761","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-miniature-circuit-breaker-c-1-pole-230-400v-10ka-40a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}