{"product_id":"siemens-5sl33-mcb-3p-4-5ka","title":"Siemens 5SL33 MCB Series | 3-Pole, 4.5kA, C Curve, Three-Phase","description":"\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003eSiemens 5SL33 3-Pole 4.5kA C Curve Miniature Circuit Breaker (MCB) series\u003c\/b\u003e represents the industry benchmark for safe, dependable, and highly economical three-phase circuit protection in modern residential compounds, multi-family apartment towers, and light commercial properties. Engineered to deliver concurrent mechanical tripping across all three live phases, this premium modular range prevents hazardous single-phasing motor damage conditions while shielding branch lines from severe overloads and short circuits. The series covers all industry-standard current ratings required by everyday project schedules, extending from \u003cb data-path-to-node=\"7\" data-index-in-node=\"634\"\u003e6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, up to 63A\u003c\/b\u003e. Featuring a certified short-circuit breaking capacity of \u003cb data-path-to-node=\"7\" data-index-in-node=\"741\"\u003e4500A (4.5kA) under international code IEC\/EN 60898-1\u003c\/b\u003e, the 5SL33 range seamlessly satisfies building electrical safety codes.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eManufactured to rigid Siemens quality protocols, this 3-Pole series bridges the gap between premium brand pedigree and strict structural project budget optimization in the Egyptian real estate market. The versatile \u003cb data-path-to-node=\"8\" data-index-in-node=\"215\"\u003eC-Curve\u003c\/b\u003e trip profile manages transient inductive starting current surges gracefully—such as those from central elevator motor sets, standard water pumps, and multi-room air conditioning units—preventing costly and frustrating nuisance tripping. Occupying exactly 54mm (3 modules) of DIN rail space, the 5SL33 family features touch-safe tunnel terminals (IP20) and uncompromised heat dissipation properties, establishing itself as a trusted workhorse for neat, ultra-organized low-voltage panel board assembly.\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., 5SL3316-7):\u003c\/b\u003e Precision three-phase safety balancing for small workshop tools, automated control loops, and specialized low-power lighting distribution networks.\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., 5SL3320-7, 5SL3325-7):\u003c\/b\u003e The standard engineering layout for protecting small building elevator groups, commercial kitchen lines, and medium-sized central HVAC units.\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., 5SL3332-7, 5SL3340-7):\u003c\/b\u003e Optimized safety feeders engineered for high-capacity multi-stage water pumps and commercial air conditioning compressor arrays.\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., 5SL3363-7):\u003c\/b\u003e The definitive choice for use as a Main Three-Phase Sub-Panel Incomer (قاطع عمومي لوحة فرعية) in luxury villas, administrative offices, and retail showrooms.\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 Tripping:\u003c\/b\u003e Breaks all three phases concurrently to eliminate partial phase power looping and prevent expensive 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\"\u003e4.5kA Certified Protection:\u003c\/b\u003e Calibrated to safely clear typical household and commercial short-circuit faults without destroying adjacent switchgear.\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\"\u003ePatented Fail-Safe Terminals:\u003c\/b\u003e Double-terminal square 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=\"171\"\u003e$mm^2$\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\"\u003eQuick Clip DIN-Rail System:\u003c\/b\u003e Advanced rear snap-on tracking clips allow easy, tool-free removal of an individual circuit breaker from the center of an assembled row without disturbing the rest of the panel line.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"10A","offer_id":51321226133789,"sku":null,"price":435.0,"currency_code":"EGP","in_stock":false},{"title":"16A","offer_id":51321226166557,"sku":null,"price":435.0,"currency_code":"EGP","in_stock":false},{"title":"20A","offer_id":51321226199325,"sku":null,"price":435.0,"currency_code":"EGP","in_stock":false},{"title":"25A","offer_id":51321226232093,"sku":null,"price":435.0,"currency_code":"EGP","in_stock":false},{"title":"32A","offer_id":51321226264861,"sku":null,"price":435.0,"currency_code":"EGP","in_stock":true},{"title":"40A","offer_id":51321226297629,"sku":null,"price":435.0,"currency_code":"EGP","in_stock":true},{"title":"63A","offer_id":51321226330397,"sku":null,"price":565.0,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/5558\/3005\/files\/0eb9cdc8-b939-4b31-873f-caf354ec2dd9.png?v=1779494422","url":"https:\/\/www.spark-eshop.com\/products\/siemens-5sl33-mcb-3p-4-5ka","provider":"Spark","version":"1.0","type":"link"}