{"product_id":"k4351","title":"K4351 - KUPO CEE Form 63A 5-Pole Industrial Receptacle, 400V, IP44","description":"\u003c!-- KUPO Shopify paste-ready combined HTML for K4351 --\u003e \u003c!-- Source handle: kupo-k4351-concealed-inclined-female-63a-6h-ip44-3p-n-e-220-415v --\u003e \u003c!-- Source status: draft --\u003e \u003c!-- Includes product description, Product JSON-LD, FAQ, FAQ JSON-LD, and Download section. --\u003e \u003cstyle\u003e .kupo-section-title { margin: 1.25rem 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.3; color: #005F96 !important; letter-spacing: 0; } .product-description h3 { color: #005F96 !important; font-size: 18px !important; font-weight: bold; margin-top: 1.5rem; margin-bottom: 0.75rem; line-height: 1.35; letter-spacing: 0; } .product-description, .product-description p, .product-description li { color: #222222 !important; } .kupo-mating-check table { width: 100%; border-collapse: collapse; margin: 0.75rem 0 0 0; } .kupo-mating-check th, .kupo-mating-check td { padding: 0.65rem 0.75rem; border: 1px solid #d8e6ef; text-align: left; vertical-align: top; } .kupo-mating-check th { width: 34%; background: #eef5f9; color: #222222; font-weight: 700; } \u003c\/style\u003e \u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e \u003cdiv class=\"product-description\" data-sku=\"K4351\" data-voltage=\"220-415V\" data-amperage=\"63A\" data-poles=\"5\" data-ip=\"IP44\"\u003e \u003cdiv class=\"product-overview\"\u003e \u003cp\u003eThe KUPO K4351 is a 63A CEE form concealed inclined female socket with hinged cover for 220-415V power distribution. Its angled, panel-mount format keeps the connection easy to reach inside enclosures and distribution boxes, while the 6h keyed earth position helps ensure it mates only with matching CEE devices. With screw terminals, brass contacts with natural copper finish, and a flame-retardant nylon (PA) housing with glow-wire 650 °C, it is built for practical daily use in industrial, commercial, and site-power installations.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"product-features\"\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eConcealed inclined female socket with hinged cover for protected panel, enclosure, and distribution-box installations.\u003c\/li\u003e \u003cli\u003eRated 63A for 220-415V three-phase power with 3P+N+E, 5-pole.\u003c\/li\u003e \u003cli\u003eKeyed 6h earth contact helps prevent mating with incompatible CEE voltage systems.\u003c\/li\u003e \u003cli\u003eIP44 splash-proof construction helps protect against splashing water and solid objects larger than 1 mm.\u003c\/li\u003e \u003cli\u003eScrew terminals provide straightforward, serviceable field wiring.\u003c\/li\u003e \u003cli\u003eBrass contacts with natural copper finish and a flame-retardant nylon (PA) housing with glow-wire 650 °C support durable industrial use.\u003c\/li\u003e \u003cli\u003eRed-coded housing identifies the 220-415V three-phase CEE voltage class for quick visual matching.\u003c\/li\u003e \u003cli\u003eCompatible KUPO mating products: K0351 and K0352.\u003c\/li\u003e \u003cli\u003eOperating temperature range listed in product data: -25 °C to 125 °C.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv class=\"product-certifications\"\u003e \u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProduct data lists TUV, CB, and CE certification marks.\u003c\/li\u003e \u003cli\u003eDesigned and manufactured according to IEC 60309-1\/2:2021 and GB\/T11918.1\/2-2014.\u003c\/li\u003e \u003cli\u003eRoHS compliance is listed, with non-RoHS option noted in the product data.\u003c\/li\u003e \u003cli\u003eElectrical and durability data include AC 2500 V withstand voltage, 500 V DC insulation resistance, salt-spray resistance over 48 hours, and low-temperature impact testing.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv class=\"product-applications\"\u003e \u003ch3\u003eApplications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThree-phase power distribution where neutral and earth conductors are required\u003c\/li\u003e \u003cli\u003eMachinery, control panels, distribution boards, and switchgear assemblies\u003c\/li\u003e \u003cli\u003eConstruction sites and temporary power panels\u003c\/li\u003e \u003cli\u003ePorts, airports, drainage, wastewater, and utility projects\u003c\/li\u003e \u003cli\u003eEntertainment, event, and service power installations\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv class=\"product-compatibility\"\u003e \u003ch3\u003eCompatibility\u003c\/h3\u003e \u003cp\u003eThe KUPO K4351 follows IEC 60309 dimensional conventions and is listed for use with KUPO K0351 and K0352. For a correct connection, match the connected device to the same 63A, 220-415V, 3P+N+E, 5-pole, IP44, and 6h rating shown for this socket.\u003c\/p\u003e \u003cdiv class=\"kupo-mating-check\"\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth\u003eUse with\u003c\/th\u003e \u003ctd\u003eCEE Form connectors or receptacles with the same amperage, voltage class, pole configuration, IP rating, and earth-contact clock position.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003eVerify before ordering\u003c\/th\u003e \u003ctd\u003eAmperage, voltage color, pole count, clock position, IP rating, cable diameter, and terminal size.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth\u003eDo not use with\u003c\/th\u003e \u003ctd\u003eCEE connectors with different current ratings, different voltage classes, non-matching pole configurations, or a different earth-contact clock position.\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"product-color-conventions\"\u003e \u003ch3\u003eVoltage Color Convention\u003c\/h3\u003e \u003cimg src=\"https:\/\/pub-575371843efc4b84863e8e2a0298e68b.r2.dev\/CEE-Form_page\/IEC60309_Color_Code_Clock_Position.jpg\" alt=\"IEC 60309 CEE clock position and voltage color code diagram\" style=\"max-width: 100%; margin: 1rem 0;\"\u003e \u003cp\u003eCEE form connectors use standardized housing colors to indicate voltage class. Red identifies common three-phase CEE supply ranges, matching this 220-415V socket class. The keyed clock position of the earth contact helps prevent cross-mating between incompatible systems, so always verify amperage, voltage, pole configuration, IP rating, and clock position before installation.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c!-- Product JSON-LD structured data --\u003e \u003cscript type=\"application\/ld+json\"\u003e { \"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"KUPO K4351 Concealed Inclined Female - 63A 6h IP44, 3P+N+E, 220-415V\", \"description\": \"KUPO K4351 is a 63A 6h IP44 3P+N+E concealed inclined female socket with hinged cover, screw terminals, and 220-415V rating.\", \"brand\": { \"@type\": \"Brand\", \"name\": \"KUPO\" }, \"manufacturer\": { \"@type\": \"Organization\", \"name\": \"KUPO CO. LTD\", \"url\": \"https:\/\/www.kupopower.com\" }, \"category\": \"Electrical Connectors \u003e Industrial Plugs \u0026 Sockets \u003e CEE Form (IEC 60309)\", \"sku\": \"K4351\", \"mpn\": \"K4351\", \"image\": \"https:\/\/pub-575371843efc4b84863e8e2a0298e68b.r2.dev\/CEE-Form_page\/IEC60309_Color_Code_Clock_Position.jpg\", \"additionalProperty\": [ { \"@type\": \"PropertyValue\", \"name\": \"Product Name\", \"value\": \"K4351 Concealed Inclined Female\" }, { \"@type\": \"PropertyValue\", \"name\": \"Product type\", \"value\": \"CEE Form Concealed Inclined Female\" }, { \"@type\": \"PropertyValue\", \"name\": \"Series \/ collection\", \"value\": \"CEE Form\" }, { \"@type\": \"PropertyValue\", \"name\": \"Connector style\", \"value\": \"Concealed inclined female socket with hinged cover\" }, { \"@type\": \"PropertyValue\", \"name\": \"Rated current\", \"value\": \"63 A\" }, { \"@type\": \"PropertyValue\", \"name\": \"Rated voltage\", \"value\": \"220-415 V\" }, { \"@type\": \"PropertyValue\", \"name\": \"Earth contact position\", \"value\": \"6h\" }, { \"@type\": \"PropertyValue\", \"name\": \"Protection grade\", \"value\": \"IP44\" }, { \"@type\": \"PropertyValue\", \"name\": \"Poles\", \"value\": \"3P+N+E, 5-pole\" }, { \"@type\": \"PropertyValue\", \"name\": \"Terminal type\", \"value\": \"Screw terminal\" }, { \"@type\": \"PropertyValue\", \"name\": \"Housing color\", \"value\": \"Red + white\" }, { \"@type\": \"PropertyValue\", \"name\": \"Insert color\", \"value\": \"Rust red\" }, { \"@type\": \"PropertyValue\", \"name\": \"Withstand voltage\", \"value\": \"AC 2500 V\" }, { \"@type\": \"PropertyValue\", \"name\": \"Insulation resistance\", \"value\": \"500 V DC 1 min \u003e 5 MΩ\" }, { \"@type\": \"PropertyValue\", \"name\": \"Certification\", \"value\": \"TUV, CB, CE\" }, { \"@type\": \"PropertyValue\", \"name\": \"Environmental compliance\", \"value\": \"RoHS; non-RoHS optional\" }, { \"@type\": \"PropertyValue\", \"name\": \"Mechanical life\", \"value\": \"\u003e= 50,000 mating cycles, no load\" }, { \"@type\": \"PropertyValue\", \"name\": \"Dimensions\", \"value\": \"Faceplate overall size: 107 × 111 mm Mounting hole spacing: 77.5 × 86.5 mm Circular opening diameter shown in front view: 90 mm Inner circular height shown in front view: 95 mm Cable \/ entry hole callout: Ø 6.5 mm Side-view upper length: 142 mm Side-view lower depth: 70 mm Side-view overall height: 120 mm Cable nominal cross-section area: 6 - 16 mm²\" }, { \"@type\": \"PropertyValue\", \"name\": \"Salt spray resistance\", \"value\": \"\u003e 48 h, no rust\" }, { \"@type\": \"PropertyValue\", \"name\": \"Impact test\", \"value\": \"-25 °C, 16 h, \u003e 0.5 kg, 25°\" }, { \"@type\": \"PropertyValue\", \"name\": \"Operating temperature\", \"value\": \"-25 °C to 125 °C\" }, { \"@type\": \"PropertyValue\", \"name\": \"Humidity\", \"value\": \"93% at 40 °C\" }, { \"@type\": \"PropertyValue\", \"name\": \"Compatible products\", \"value\": \"K0351, K0352\" }, { \"@type\": \"PropertyValue\", \"name\": \"Packing\", \"value\": \"Inner: 1 pcs \/ box; Outer: 20 pcs \/ carton\" }, { \"@type\": \"PropertyValue\", \"name\": \"Materials and Construction\", \"value\": \"Contacts: Brass, natural copper finish; Contact process: Stamping + machining; Housing: Flame-retardant nylon (PA), glow-wire 650 °C; Housing color: Red + white; Insert \/ contact carrier: Flame-retardant nylon PA, glow-wire 850 °C; Insert color: Rust red; Screw accessories: Iron \/ stainless steel; Surface treatment: Zinc plating; Manufacturing: Injection molding for housing and insert; Terminal type: Screw terminal\" }, { \"@type\": \"PropertyValue\", \"name\": \"Product Image Notes\", \"value\": \"The PDF shows a white concealed inclined female socket with a red hinged cover and rust-red contact carrier, matching the 3P+N+E \/ 5-pole rating.\" }, { \"@type\": \"PropertyValue\", \"name\": \"Product Label Markings\", \"value\": \"Brand \/ cover marking: KUPO marking partly visible on hinged cover PDF product title SKU: K4351 Rating line on PDF: 63A 6h IP44 \\\\ | 3P+N+E \\\\ | 220-415V Certification marks on page: TUV Rheinland Certified, CB, CE Note: Small product-cover text is not fully legible; SKU and ratings are from the PDF heading and tables.\" } ], \"color\": \"Red + white\", \"additionalType\": \"CEE Form Connector\" } \u003c\/script\u003e \u003c!-- ====== BEGIN FAQ + JSON SCHEMA BLOCK: K4351 ====== --\u003e \u003cstyle\u003e .kupo-faq-seo-block { margin: 3rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box; } .kupo-faq-seo-block h2 { margin: 0 0 1.6rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #005F96 !important; } .kupo-faq-seo-item { border-top: 1px solid #ececec; padding: 0.8rem 0; } .kupo-faq-seo-item:first-of-type { border-top: 0; padding-top: 0; } .kupo-faq-seo-item h3 { margin: 0 0 0.35rem 0; font-size: 17px !important; font-weight: 600; line-height: 1.45; color: #005F96 !important; } .kupo-faq-seo-item p { margin: 0; line-height: 1.6; color: #222222 !important; } \u003c\/style\u003e \u003csection class=\"kupo-faq-seo-block\" data-product-id=\"K4351\" data-category=\"CEE Form (IEC 60309)\"\u003e \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e \u003ch3\u003eWhat is the KUPO K4351?\u003c\/h3\u003e \u003cp\u003eThe KUPO K4351 is a 63A concealed inclined female CEE socket with a hinged cover for 220-415V power distribution. It mounts into panels, enclosures, and distribution boxes, giving installers an angled connection point that is easier to access while keeping the socket protected. For K4351, the important distinction is that it is a concealed inclined female socket with hinged cover in the 63A, 220-415V, 3P+N+E, 5-pole, IP44, 6h earth position configuration, so it should be selected for that exact CEE form arrangement rather than a nearby SKU with a different pole count, IP grade, or mounting style.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e \u003ch3\u003eWhat ratings need to match when using the K4351?\u003c\/h3\u003e \u003cp\u003eMatch the mating connector to the same 63A, 220-415V, 3P+N+E, 5-pole, IP44, and 6h earth position. The keyed earth clock position helps prevent cross-mating with incompatible CEE voltage systems. For K4351, the matching set is 63A, 220-415V, 3P+N+E, 5-pole, IP44, 6h earth position; keeping those values together prevents accidental pairing with a visually similar KUPO CEE product from another voltage, pole, or protection class.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e \u003ch3\u003eWhat does the IP44 rating mean for this socket?\u003c\/h3\u003e \u003cp\u003eThe K4351 has IP44 splash-proof protection for panel and enclosure installations where the socket may face splashing water or small solid objects. It is a practical choice for general industrial, commercial, and temporary power locations when the connected equipment carries the same rating. On K4351, the IP44 rating should be considered together with the concealed inclined female socket with hinged cover body, matching cover or mating connector, and cable-entry seal so the installed assembly maintains the intended protection level.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e \u003ch3\u003eWhich KUPO products are compatible with the K4351?\u003c\/h3\u003e \u003cp\u003eThe product data lists KUPO K0351 and K0352 as compatible mating products. Always confirm the connected product carries the same current, voltage, pole configuration, IP rating, and clock position before installation. For K4351, compatibility with KUPO K0351 and K0352 depends on the same 63A, 220-415V, 3P+N+E, 5-pole, IP44, 6h earth position; a connector with a different current rating, voltage color class, pole layout, IP grade, or clock position should not be treated as interchangeable.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e \u003ch3\u003eWhat should installers check before mounting the K4351?\u003c\/h3\u003e \u003cp\u003eBefore installation, wire through the screw terminals, confirm the listed cable cross-section area of 6 - 16 mm², check the 107 × 111 mm faceplate size, use the 77.5 × 86.5 mm mounting-hole spacing, and allow for the 90 mm circular opening shown in the front view. The product data also lists brass contacts with natural copper finish and a flame-retardant nylon (PA) housing with glow-wire 650 °C for durable industrial use. For K4351, confirm the conductor size, cable gland fit, and screw-terminal preparation against the K4351 drawing before assembly, because these installation limits vary across the KUPO CEE range.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e \u003ch3\u003eWhere is the K4351 typically used?\u003c\/h3\u003e \u003cp\u003eThe K4351 is suited to three-phase power where neutral and earth conductors are required, including machinery, control panels, distribution boards, switchgear assemblies, construction-site panels, and event or service-power installations. Because K4351 is a 63A IP44 concealed inclined female socket with hinged cover for 220-415V, it fits installations that need that exact current capacity, mounting style, and environmental protection level; choose a different KUPO CEE SKU when the site requires another pole layout or ingress rating.\u003c\/p\u003e \u003c\/div\u003e \u003c\/section\u003e \u003cscript type=\"application\/ld+json\"\u003e { \"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [ { \"@type\": \"Question\", \"name\": \"What is the KUPO K4351?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"The KUPO K4351 is a 63A concealed inclined female CEE socket with a hinged cover for 220-415V power distribution. It mounts into panels, enclosures, and distribution boxes, giving installers an angled connection point that is easier to access while keeping the socket protected. For K4351, the important distinction is that it is a concealed inclined female socket with hinged cover in the 63A, 220-415V, 3P+N+E, 5-pole, IP44, 6h earth position configuration, so it should be selected for that exact CEE form arrangement rather than a nearby SKU with a different pole count, IP grade, or mounting style.\" } }, { \"@type\": \"Question\", \"name\": \"What ratings need to match when using the K4351?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Match the mating connector to the same 63A, 220-415V, 3P+N+E, 5-pole, IP44, and 6h earth position. The keyed earth clock position helps prevent cross-mating with incompatible CEE voltage systems. For K4351, the matching set is 63A, 220-415V, 3P+N+E, 5-pole, IP44, 6h earth position; keeping those values together prevents accidental pairing with a visually similar KUPO CEE product from another voltage, pole, or protection class.\" } }, { \"@type\": \"Question\", \"name\": \"What does the IP44 rating mean for this socket?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"The K4351 has IP44 splash-proof protection for panel and enclosure installations where the socket may face splashing water or small solid objects. It is a practical choice for general industrial, commercial, and temporary power locations when the connected equipment carries the same rating. On K4351, the IP44 rating should be considered together with the concealed inclined female socket with hinged cover body, matching cover or mating connector, and cable-entry seal so the installed assembly maintains the intended protection level.\" } }, { \"@type\": \"Question\", \"name\": \"Which KUPO products are compatible with the K4351?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"The product data lists KUPO K0351 and K0352 as compatible mating products. Always confirm the connected product carries the same current, voltage, pole configuration, IP rating, and clock position before installation. For K4351, compatibility with KUPO K0351 and K0352 depends on the same 63A, 220-415V, 3P+N+E, 5-pole, IP44, 6h earth position; a connector with a different current rating, voltage color class, pole layout, IP grade, or clock position should not be treated as interchangeable.\" } }, { \"@type\": \"Question\", \"name\": \"What should installers check before mounting the K4351?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Before installation, wire through the screw terminals, confirm the listed cable cross-section area of 6 - 16 mm\\u00b2, check the 107 \\u00d7 111 mm faceplate size, use the 77.5 \\u00d7 86.5 mm mounting-hole spacing, and allow for the 90 mm circular opening shown in the front view. The product data also lists brass contacts with natural copper finish and a flame-retardant nylon (PA) housing with glow-wire 650 \\u00b0C for durable industrial use. For K4351, confirm the conductor size, cable gland fit, and screw-terminal preparation against the K4351 drawing before assembly, because these installation limits vary across the KUPO CEE range.\" } }, { \"@type\": \"Question\", \"name\": \"Where is the K4351 typically used?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"The K4351 is suited to three-phase power where neutral and earth conductors are required, including machinery, control panels, distribution boards, switchgear assemblies, construction-site panels, and event or service-power installations. Because K4351 is a 63A IP44 concealed inclined female socket with hinged cover for 220-415V, it fits installations that need that exact current capacity, mounting style, and environmental protection level; choose a different KUPO CEE SKU when the site requires another pole layout or ingress rating.\" } } ] } \u003c\/script\u003e \u003c!-- ====== END FAQ + JSON SCHEMA BLOCK: K4351 ====== --\u003e \u003c!-- ==================== DOWNLOAD SECTION ==================== --\u003e \u003cstyle\u003e .kupo-download-section { margin: 2rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box; } .kupo-download-section h2 { margin: 0 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #005F96 !important; } .kupo-download-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 16px !important; line-height: 1.5; color: #111111 !important; font-weight: 600; text-decoration: underline; } \u003c\/style\u003e \u003csection class=\"kupo-download-section\" data-product-id=\"K4351\"\u003e \u003ch2\u003eDownload\u003c\/h2\u003e \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/K4351%20Product%20Data.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e Download K4351 Spec Sheet (PDF) \u003c\/a\u003e \u003c\/section\u003e","brand":"KUPO Power","offers":[{"title":"CEE Industrial (IEC 60309) \/ 63A \/ Panel Mount Receptacle","offer_id":51906603286748,"sku":"K4351","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3491\/5548\/files\/K4351.jpg?v=1782877331","url":"https:\/\/kupopower.com\/products\/k4351","provider":"KUPO Power","version":"1.0","type":"link"}