{"product_id":"siemens-mcb-3p-6ka","title":"Siemens Heavy-Duty Miniature Circuit Breakers (MCB) Series | 3-Pole, 6kA, C Curve, Industrial Three-Phase Range","description":"\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003eSiemens 3-Pole 6kA C Curve Miniature Circuit Breaker (MCB) series\u003c\/b\u003e delivers maximum short-circuit and thermal overload protection engineered specifically for complex commercial, infrastructure, and industrial three-phase systems. Designed to provide simultaneous mechanical tripping across all three live phases, this premium range effectively protects heavy downstream equipment from dangerous single-phasing conditions and overcurrent damage. The series covers all standardized current ratings extending from \u003cb data-path-to-node=\"7\" data-index-in-node=\"515\"\u003e10A, 16A, 20A, 25A, 32A, 40A, up to 63A\u003c\/b\u003e, providing an adaptable footprint for high-integrity power distribution boards.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eBuilt to rigid German engineering specifications, Siemens heavy-duty 3P MCBs (such as the elite \u003cb data-path-to-node=\"8\" data-index-in-node=\"96\"\u003e5SY4\u003c\/b\u003e and \u003cb data-path-to-node=\"8\" data-index-in-node=\"105\"\u003e5SL4 lines\u003c\/b\u003e) utilize reinforced, heat-resistant molding and advanced internal arc-chutes to safely absorb massive electrical fault energy. Featuring an elevated \u003cb data-path-to-node=\"8\" data-index-in-node=\"265\"\u003e10,000A (6kA) breaking capacity\u003c\/b\u003e certified under international standard IEC\/EN 60898-1, this series easily satisfies strict building codes near high-capacity supply nodes. Its versatile \u003cb data-path-to-node=\"8\" data-index-in-node=\"451\"\u003eC-Curve\u003c\/b\u003e trip profile handles transient inductive inrush current spikes flawlessly—making it the definitive choice for safeguarding three-phase central air conditioners, industrial water pump sets, elevators, and server room distribution networks across modern Egyptian developments.\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\"\u003e10A \u0026amp; 16A Models:\u003c\/b\u003e Precision high-fault protection for three-phase automation PLC panels, control loops, and low-power workshop machinery.\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:\u003c\/b\u003e Optimized protection for commercial elevator machine groups, commercial kitchen lines, and medical facility sub-panels.\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:\u003c\/b\u003e Dedicated circuit control for three-phase industrial ventilation fans, deep well pumps, and central HVAC outdoor compressors.\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\"\u003e63A Models:\u003c\/b\u003e The engineering standard for a 6kA Main Incomer (قاطع عمومي) in multi-floor administrative sub-panels and commercial retail units.\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\"\u003eSimultaneous 3-Pole Mechanical Trip:\u003c\/b\u003e Breaks all three phases concurrently to eliminate partial phase power loops and prevent motor burnouts.\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\"\u003e6kA High-Fault Interruption:\u003c\/b\u003e Safe, definitive isolation of heavy short circuits close to main distribution transformers.\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\"\u003eGerman Engineering Excellence:\u003c\/b\u003e Built with premium internal contact materials to guarantee 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=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003ePatented Dual-Terminal Block:\u003c\/b\u003e Allows simultaneous connection of pin-type busbars and standard flexible copper cables up to 35 \u003cspan class=\"math-inline\" data-math=\"mm^2\" data-index-in-node=\"126\"\u003e$mm^2$\u003c\/span\u003e to eliminate wiring hot-spots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"5SL6310-7 | 10A","offer_id":51316107641117,"sku":"5SL6310-7","price":1000.0,"currency_code":"EGP","in_stock":true},{"title":"5SL6316-7 | 16A","offer_id":51316107673885,"sku":"5SL6316-7","price":1000.0,"currency_code":"EGP","in_stock":true},{"title":"5SL6320-7 | 20A","offer_id":51316107706653,"sku":"5SL6320-7","price":1000.0,"currency_code":"EGP","in_stock":true},{"title":"5SL6325-7 | 25A","offer_id":51316107739421,"sku":"5SL6325-7","price":1000.0,"currency_code":"EGP","in_stock":true},{"title":"5SL6332-7 | 32A","offer_id":51316107772189,"sku":"5SL6332-7","price":1200.0,"currency_code":"EGP","in_stock":true},{"title":"5SL6340-7 | 40A","offer_id":51316107804957,"sku":"5SL6340-7","price":1600.0,"currency_code":"EGP","in_stock":true},{"title":"5SL6363-7 | 63A","offer_id":51316107837725,"sku":"5SL6363-7","price":2000.0,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/5558\/3005\/files\/Siemens-3-Pole-Miniature-Circuit-Breaker-6-K.A_938x938_66dd437c-8699-4858-ad47-ed0017fbfb07.webp?v=1779399860","url":"https:\/\/www.spark-eshop.com\/products\/siemens-mcb-3p-6ka","provider":"Spark","version":"1.0","type":"link"}