{"product_id":"schneider-r9f321-resi9-mcb-1p-c-curve-4-5ka","title":"Schneider Electric R9F321 Resi9 MCB 1P 6A–63A C-Curve 4.5kA | Miniature Circuit Breaker","description":"\u003cp\u003eThe Schneider Electric R9F321 is a 1-pole, 6A–63A C-curve miniature circuit breaker from the Resi9 range with 4.5kA breaking capacity – the Schneider Electric residential MCB range made for apartments, villas and shops. It protects cables and equipment against overloads and short circuits in single-phase final circuits, and is installed on a standard DIN rail inside distribution boards and control panels.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eC-curve tripping characteristic suited to general loads such as lighting, sockets, air conditioners and small motors (trips at 5–10 × In)\u003c\/li\u003e\n\u003cli\u003e1-pole design for single-phase final circuits\u003c\/li\u003e\n\u003cli\u003eBreaking capacity 4.5kA\u003c\/li\u003e\n\u003cli\u003ePositive contact indication – the handle shows the real contact position for safe isolation\u003c\/li\u003e\n\u003cli\u003eFast clip-on mounting on 35 mm DIN rail and compatibility with standard comb busbars\u003c\/li\u003e\n\u003cli\u003eCompact width for neat, standardised distribution boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003ePart number (SKU)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eR9F321\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eProduct range\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eResi9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eDevice type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eMiniature circuit breaker (MCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eNumber of poles\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e1P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eRated current (In)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e6A–63A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eTripping curve\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eC curve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eBreaking capacity\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e4.5kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eRated voltage\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e230\/240 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eMounting\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e35 mm DIN rail, 18 mm per pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px;background:#f6f7f7;text-align:start;width:40%\"\u003eStandards\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eIEC\/EN 60898-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eTypical applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eApartment, villa and office distribution boards\u003c\/li\u003e\n\u003cli\u003eCommercial buildings, malls, hospitals and hotels\u003c\/li\u003e\n\u003cli\u003eLighting, socket-outlet and air-conditioning circuits\u003c\/li\u003e\n\u003cli\u003eControl panels, pump panels and HVAC panels\u003c\/li\u003e\n\u003cli\u003eReplacement of old or faulty MCBs during maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSelection guide\u003c\/h2\u003e\u003cp\u003eMatch the rated current to the cable size of the circuit (for example 10 A for 1.5 mm² lighting, 16–20 A for 2.5 mm² sockets and 25–32 A for 4–6 mm² air-conditioner lines), choose the curve according to the load inrush, and make sure the breaking capacity is higher than the prospective short-circuit current at the board. For earth-leakage protection, combine the MCB with an Acti9 RCCB or use an RCBO.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhat is the R9F321 used for?\u003c\/h3\u003e\u003cp\u003eIt is a 1P 6A–63A C-curve MCB used to protect single-phase final circuits against overload and short circuit in residential, commercial and industrial distribution boards.\u003c\/p\u003e\u003ch3\u003eCan the R9F321 protect against electric shock?\u003c\/h3\u003e\u003cp\u003eNo. An MCB protects cables against overload and short circuit only. For protection against earth leakage and electric shock, add a 30 mA RCCB (residual current circuit breaker) upstream or use an RCBO.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between the C curve and the B or D curves?\u003c\/h3\u003e\u003cp\u003eA C-curve breaker trips magnetically between 5 and 10 times its rated current and suits most general loads. B curve (3–5 × In) is for resistive loads and long cables, while D curve (10–20 × In) is for transformers and motors with high inrush current.\u003c\/p\u003e\n\u003ch2\u003eBuy Schneider R9F321 in Egypt\u003c\/h2\u003e\u003cp\u003eSpark Egypt is a trusted source for original Schneider Electric miniature circuit breaker (MCB)s such as the R9F321, serving contractors, OEMs, panel builders and plant-maintenance teams with tax invoices and fast delivery to Cairo, Giza, New Cairo, 6th of October, Sheikh Zayed, the New Administrative Capital, Alexandria, the Delta, the Canal cities and Upper Egypt. Contact our technical sales team to confirm selection, accessories and project pricing.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"R9F32106 - 6A","offer_id":51300216504605,"sku":"R9F32106","price":352.81,"currency_code":"EGP","in_stock":true},{"title":"R9F32110 - 10A","offer_id":51300216537373,"sku":"R9F32110","price":161.0,"currency_code":"EGP","in_stock":true},{"title":"R9F32116 - 16A","offer_id":51300216570141,"sku":"R9F32116","price":161.0,"currency_code":"EGP","in_stock":true},{"title":"R9F32120 - 20A","offer_id":51300216602909,"sku":"R9F32120","price":161.0,"currency_code":"EGP","in_stock":true},{"title":"R9F32125 - 25A","offer_id":51300216635677,"sku":"R9F32125","price":161.0,"currency_code":"EGP","in_stock":true},{"title":"R9F32132 - 32A","offer_id":51300216668445,"sku":"R9F32132","price":161.0,"currency_code":"EGP","in_stock":true},{"title":"R9F32140 - 40A","offer_id":51300216701213,"sku":"R9F32140","price":161.0,"currency_code":"EGP","in_stock":true},{"title":"R9F32163 - 63A","offer_id":51300216733981,"sku":"R9F32163","price":330.0,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/5558\/3005\/files\/R9F32106___Miniature_circuit_breaker_MCB_Resi9_1P_6A_C_curve_4500A_IEC-EN_60898-1_Schneider_Electric.png?v=1779050237","url":"https:\/\/www.spark-eshop.com\/products\/schneider-r9f321-resi9-mcb-1p-c-curve-4-5ka","provider":"Spark","version":"1.0","type":"link"}