{"product_id":"siemens-miniature-circuit-breaker-c-curve-1-n-p-230v-10ka-40a","title":"Siemens Miniature circuit breaker, C-curve, 1+N-P, 230V, 10kA, 40A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SL4540-7 is the Siemens SENTRON 5SL4 miniature circuit breaker, 1+N-pole, 40 A, with C tripping characteristic. It provides reliable overload and short-circuit protection for single-phase AC circuits and is suitable for residential, commercial and light-industrial distribution boards or control panels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMiniature circuit breaker (MCB), 1+N-pole configuration\u003c\/li\u003e\n\u003cli\u003eRated current: 40 A at standard reference temperature\u003c\/li\u003e\n\u003cli\u003eC-characteristic curve for circuits with moderate inrush currents\u003c\/li\u003e\n\u003cli\u003eRated operational voltage: 230 V AC\u003c\/li\u003e\n\u003cli\u003eShort-circuit breaking capacity: 10 kA\u003c\/li\u003e\n\u003cli\u003eNeutral conductor switching included\u003c\/li\u003e\n\u003cli\u003eScrew terminals accepting 0.75 mm² to 25 mm² conductors\u003c\/li\u003e\n\u003cli\u003eModular width: 2 units (approx. 36 mm)\u003c\/li\u003e\n\u003cli\u003eSealable handle for lock-out and safety procedures\u003c\/li\u003e\n\u003cli\u003eCompatible with add-on accessories such as auxiliary and fault-signal contacts\u003c\/li\u003e\n\u003cli\u003eTouch-safe terminal design with halogen-free and silicone-free insulation 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\u003eArticle Number:\u003c\/strong\u003e 5SL4540-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1P + N (neutral switching)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Voltage:\u003c\/strong\u003e 230 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripping Curve:\u003c\/strong\u003e C characteristic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Capacity:\u003c\/strong\u003e 10 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Capacity:\u003c\/strong\u003e 0.75 … 25 mm² conductors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 2.5 … 3.0 N·m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Width:\u003c\/strong\u003e 2 MW (approx. 36 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Height approx. 90 mm, depth approx. 76 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20 (with connected conductors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature Range:\u003c\/strong\u003e –25 °C to +55 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Durability:\u003c\/strong\u003e Approximately 10,000 switching operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Properties:\u003c\/strong\u003e Halogen-free, silicone-free, touch-protected\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 according to international standards for miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003ePart of the Siemens SENTRON modular protection range\u003c\/li\u003e\n\u003cli\u003eSuitable for global electrical distribution applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 5SL4540-7 is used for single-phase branch circuit protection in distribution boards supplying lighting circuits, power outlets, HVAC loads or general-purpose AC loads up to 40 A. Its 1+N-pole design ensures both phase and neutral conductors are switched, making it suitable for installations requiring enhanced safety and service flexibility.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775049510976,"sku":"5SL4540-7","price":549.21,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/5SL4540-7.jpg?v=1764599301","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-miniature-circuit-breaker-c-curve-1-n-p-230v-10ka-40a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}