{"product_id":"siemens-5sl31-mcb-1p-4-5ka","title":"Siemens 5SL31 MCB Series | 1-Pole, 4.5kA, C Curve, Single-Phase Residential \u0026 Commercial Modular Range","description":"\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003eSiemens 5SL31 1-Pole 4.5kA C Curve Miniature Circuit Breaker (MCB) series\u003c\/b\u003e represents the industry benchmark for safe, dependable, and highly cost-effective single-phase circuit protection in modern residential buildings, apartment complexes, and light commercial properties. Engineered to safeguard low-voltage branch circuits against hazardous thermal overloads and damaging short circuits, this premium modular range spans all industry-standard current ratings extending from \u003cb data-path-to-node=\"7\" data-index-in-node=\"482\"\u003e6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, up to 63A\u003c\/b\u003e. Delivering a certified short-circuit breaking capacity of \u003cb data-path-to-node=\"7\" data-index-in-node=\"590\"\u003e4500A (4.5kA) under international code IEC\/EN 60898-1\u003c\/b\u003e, the 5SL31 family balances cost efficiency with top-tier safety.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eManufactured to rigid Siemens engineering and quality benchmarks, the 5SL31 single-pole series stands out in the Egyptian electrical trade for its compact build, advanced flame-retardant thermoplastics, and superior heat dissipation properties under continuous load cycles. The universal \u003cb data-path-to-node=\"8\" data-index-in-node=\"288\"\u003eC-Curve\u003c\/b\u003e trip profile is precision-calibrated to handle normal transient inductive starting current surges seamlessly—such as when refrigerator compressors, LED lighting driver banks, or household appliances kick in—preventing frustrating nuisance tripping. Equipped with Siemens' patented \u003cb data-path-to-node=\"8\" data-index-in-node=\"577\"\u003etouch-safe tunnel terminals (IP20)\u003c\/b\u003e, this 18mm modular series ensures secure wire terminations, uniform consumer unit aesthetics, and lightning-fast DIN-rail installation.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eComprehensive Range Applications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003e6A, 10A \u0026amp; 16A Models (e.g., 5SL3116-7):\u003c\/b\u003e The default engineering standard for residential LED lighting strings, low-load control loops, and intercom systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003e20A \u0026amp; 25A Models (e.g., 5SL3120-7, 5SL3125-7):\u003c\/b\u003e Dedicated protection for general-purpose wall sockets, kitchen appliance rings, deep freezers, and home utility loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003e32A \u0026amp; 40A Models (e.g., 5SL3132-7, 5SL3140-7):\u003c\/b\u003e Optimized safety feeders for domestic water heaters, single-phase water pumps, and standard bedroom air conditioners.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003e50A \u0026amp; 63A Models (e.g., 5SL3163-7):\u003c\/b\u003e High-capacity single-pole feeders or modular incomers for complete residential sub-panels and administrative office lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eKey Technical Advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003e4.5kA Certified Protection:\u003c\/b\u003e Optimally calibrated to safely interrupt short-circuit faults in standard residential and light commercial networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eGerman Engineering Pedigree:\u003c\/b\u003e Unmatched internal contact reliability ensures an extended electrical and mechanical service lifespan under continuous duty.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eErgonomic Square Terminals:\u003c\/b\u003e Double-terminal architecture allows simultaneous connection of standardized pin-type comb busbars and flexible copper cables up to 35 \u003cspan class=\"math-inline\" data-math=\"mm^2\" data-index-in-node=\"162\"\u003emm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eTool-Free Slide Removal:\u003c\/b\u003e Advanced rear snap-on tracking clips allow easy removal of an individual circuit breaker from the middle of an assembled row without disturbing adjacent units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"10A","offer_id":51321181045021,"sku":"5SL3110-7","price":135.0,"currency_code":"EGP","in_stock":true},{"title":"16A","offer_id":51321181077789,"sku":"5SL3116-7","price":135.0,"currency_code":"EGP","in_stock":true},{"title":"20A","offer_id":51321181110557,"sku":"5SL3120-7","price":135.0,"currency_code":"EGP","in_stock":true},{"title":"25A","offer_id":51321181143325,"sku":"5SL3125-7","price":135.0,"currency_code":"EGP","in_stock":true},{"title":"32A","offer_id":51321181176093,"sku":"5SL3132-7","price":135.0,"currency_code":"EGP","in_stock":true},{"title":"40A","offer_id":51321181208861,"sku":"5SL3140-7","price":165.0,"currency_code":"EGP","in_stock":true},{"title":"63A","offer_id":51321181241629,"sku":"5SL3163-7","price":225.0,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/5558\/3005\/files\/ce0b4d92-9996-46ba-9a67-b2f7365e9add.png?v=1779493658","url":"https:\/\/www.spark-eshop.com\/products\/siemens-5sl31-mcb-1p-4-5ka","provider":"Spark","version":"1.0","type":"link"}