{"product_id":"khtn6331","title":"KHTN6331 - KUPO CEE Inlet 63 A 3P 220-250 V 6h IP67","description":"\u003c!-- KUPO Shopify paste-ready combined HTML for KHTN6331 --\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: #2C3E50 !important; letter-spacing: 0;}.product-description h3 { color: #2C3E50 !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;}\u003c\/style\u003e\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\u003cdiv class=\"product-description\" data-sku=\"KHTN6331\" data-voltage=\"220-250 V\" data-amperage=\"63 A\" data-poles=\"3\" data-ip=\"IP67\"\u003e \u003ch3\u003eOverview\u003c\/h3\u003e \u003cp\u003ePart of KUPO's complete CEE form connector range spanning 16 A to 125 A and 110 V to 400 V, the KHTN6331 is a 63 A inlet (panel-mount male) designed for 220-250 V 3-pole (2P+E) circuits. Like every connector in the range, it features a flame-retardant PA6 (Polyamide 6) Nylon housing, nickel-plated brass contacts, and IP67 (Ingress Protection 67) watertight protection. The keyed earth contact at the 6-hour clock position and earth-first\/earth-last engagement sequence comply with IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards, ensuring safe interoperability with any compliant CEE connector.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e   \u003cli\u003eProtective earth engages first and releases last, ensuring the ground path is established before live contacts connect\u003c\/li\u003e   \u003cli\u003eKeyed earth contact at the 6-hour clock position prevents cross-mating with incompatible voltage systems\u003c\/li\u003e   \u003cli\u003eIP67 watertight housing withstands temporary immersion up to 1 meter and complete dust ingress for harsh outdoor and wet environments\u003c\/li\u003e   \u003cli\u003eRugged screw-type coupling maximizes mechanical strength and sealing integrity for stable performance in demanding conditions\u003c\/li\u003e   \u003cli\u003e Flame-retardant PA6 (Polyamide 6) Nylon housing provides high impact resistance, electrical insulation, and self-extinguishing properties\u003c\/li\u003e   \u003cli\u003eNickel-plated brass contacts deliver corrosion resistance and reliable low-resistance connections at sustained 63 A loads\u003c\/li\u003e   \u003cli\u003eAll terminal screws face the same direction for faster, more intuitive wiring\u003c\/li\u003e   \u003cli\u003ePanel-mount design with standardized cutting hole dimensions for straightforward integration into enclosures, distribution boxes, and equipment panels\u003c\/li\u003e   \u003cli\u003eBlue-coded housing identifies the 220-250 V voltage class per international IEC 60309 color convention\u003c\/li\u003e   \u003cli\u003eRated for operation from -25 to 40 °C\u003c\/li\u003e  \u003c\/ul\u003e \u003ch3\u003eStandards\u003c\/h3\u003e \u003cp\u003e CE marked: Low Voltage Directive 2014\/35\/EU; IEC\/EN 60309-1: 1999 +A1:2007 +A2:2012. General requirements for industrial plugs, socket-outlets and couplers; IEC\/EN 60309-2: 1999 +A1:2007 +A2:2012. Dimensional compatibility requirements for pin and contact-tube accessories; RoHS Compliant: Directive 2011\/65\/EU and (EU)2015\/863; REACH Compliant: Regulation No 1907\/2006, Article 33(1) Obligation; IP67 Watertight. Match standards and compliance requirements to the local electrical code before installation.\u003c\/p\u003e \u003ch3\u003eApplications\u003c\/h3\u003e \u003cp\u003eSuitable for temporary and permanent power distribution on construction sites, general-purpose single-phase industrial and commercial power, shore power for boats and marinas, heavy industrial main distribution feeds and generator connections, site main incomers and primary power infrastructure, distribution boards, switchgear assemblies, and equipment panel installations, and entertainment and live event production.\u003c\/p\u003e \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eThe KUPO KHTN6331 is manufactured to IEC 60309-1 and IEC 60309-2 standards, ensuring dimensional compatibility with CEE form connectors from all compliant manufacturers. The 6-hour clock position earth contact permits mating only with connectors of the same 220-250 V voltage class, preventing cross-connections between incompatible electrical systems.\u003c\/p\u003e \u003ch3\u003eVoltage Color Convention\u003c\/h3\u003e    \u003cimg src=\"\/\/cdn.cybassets.com\/s\/files\/35719\/ckeditor\/pictures\/content_c059c811-5695-42fa-93f2-603bc0fe8739.jpg\" alt=\"IEC 60309 CEE clock face position diagram showing voltage color coding and earth contact positions for 3-pole, 4-pole, and 5-pole configurations\" style=\"max-width: 100%; margin: 1rem 0;\"\u003e    \u003cp\u003e CEE form connectors use internationally standardized housing colors to indicate voltage class: Yellow for 110-130 V, Blue for 200-250 V, Red for 380-480 V, and Black for 500-690 V. The keyed clock position of the earth contact prevents cross-mating between different voltage systems, ensuring only compatible connectors can be joined. Always verify voltage and frequency compatibility with local electrical supply before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c!-- Product JSON-LD structured data --\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"KHTN6331 | KUPO CEE Inlet 63 A 3P 220-250 V 6h IP67\",  \"description\": \"Part of KUPO's complete CEE form connector range spanning 16 A to 125 A and 110 V to 400 V, the KHTN6331 is a 63 A inlet (panel-mount male) designed for 220-250 V 3-pole (2P+E) circuits. Like every connector in the range, it features a flame-retardant PA6 (Polyamide 6) Nylon housing, nickel-plated brass contacts, and IP67 (Ingress Protection 67) watertight protection. The keyed earth contact at the 6-hour clock position and earth-first\/earth-last engagement sequence comply with IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards, ensuring safe interoperability with any compliant CEE connector.\",  \"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\": \"KHTN6331\",  \"mpn\": \"KHTN6331\",  \"color\": \"Blue \u0026 Gray\",  \"material\": \"PA6 nylon, Blue \u0026 Gray; Brass (nickel-plated)\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Product Type\",      \"value\": \"CEE form panel inlet\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Current Rating\",      \"value\": \"63 A\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Voltage Rating\",      \"value\": \"220-250 V AC\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Connector Style\",      \"value\": \"Inlet (panel male)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Poles\",      \"value\": \"3-pole (2P+E)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Cable Accommodation\",      \"value\": \"6 - 25 mm²\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Housing Material\",      \"value\": \"PA6 nylon, Blue \u0026 Gray\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Contact Material\",      \"value\": \"Brass (nickel-plated)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Protection Rating\",      \"value\": \"IP67\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Certification\",      \"value\": \"CE\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Clock Position\",      \"value\": \"6h\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Operating Temperature\",      \"value\": \"-25 °C to 40 °C\"    }  ],  \"productID\": \"KHTN6331\"}\u003c\/script\u003e\u003c!--FAQ + JSON-LD: KHTN633 --\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: #2C3E50 !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: #2C3E50 !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=\"KHTN6331\" data-category=\" CEE Form (IEC 60309)\"\u003e \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat is the KUPO KHTN633 and what are its primary specifications?\u003c\/h3\u003e  \u003cp\u003eThe KUPO KHTN633 is an 63 A CEE form inlet (panel-mount male) built to IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards for 220-250 V single-phase power distribution. It features a 3-pole (2P+E) configuration that carries one live conductor, one neutral conductor, and one protective earth conductor. The flame-retardant PA6 (Polyamide 6) Nylon housing with nickel-plated brass contacts accepts cables from 10-35 mm². The IP44-rated housing has a flange dimension of 100 mm and requires a panel cutout of 85 mm.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eHow does the earth contact design of the KHTN633 enhance electrical safety?\u003c\/h3\u003e  \u003cp\u003eAs a panel-mounted inlet feeding 63 A 220-250 V power into equipment, the KHTN633 prioritizes safe power transfer at the point of entry. The keyed earth contact at the 6h clock position physically prevents cross-mating with connectors from incompatible voltage systems. The protective earth on this 3-pole (2P+E) connector always engages first and releases last, ensuring the ground path is established before any of the 2 remaining contacts connect. The IP44 (Ingress Protection 44) rating protects the panel-mounted connection against splashing water from all directions and solid objects larger than 1 mm, maintaining protection integrity within the enclosure.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eHow does the IEC 60309 standard ensure the KHTN633 works in multi-vendor installations?\u003c\/h3\u003e  \u003cp\u003eThe KUPO KHTN633 is manufactured to IEC 60309-1 and IEC 60309-2 dimensional standards, ensuring full interoperability with CEE form connectors from all compliant manufacturers worldwide. To mate correctly, both connectors must share the same amperage rating (63 A), voltage class (220-250 V), pole configuration (3-pole (2P+E)), and earth contact clock position (6h). The clock position keying acts as a mechanical interlock: a 220-250 V connector with a 6h earth position cannot physically engage with a connector keyed to a different clock position, preventing dangerous cross-connections between incompatible electrical systems.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat installation steps are required to fit the KHTN633 into a panel enclosure?\u003c\/h3\u003e  \u003cp\u003e Cut the panel opening to the specified cutout dimensions. Mount the inlet from the rear of the panel so that the pins protrude through to the front. Secure with mounting hardware and wire the internal conductors to the terminals from behind the panel. The KHTN633 has a flange dimension of 100 mm and requires a panel cutout of 85 mm. The cable size range for this unit is 10-35 mm². All terminal screws face the same direction for faster wiring. The IP44 protection is maintained when the housing is properly closed and the cable gland is correctly tightened.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat are the typical applications for the KHTN633?\u003c\/h3\u003e  \u003cp\u003eAs a heavy-duty single-phase inlet, the KHTN633 serves main power feeds, industrial switchgear inputs, large motor drives, heavy machinery connections, and large-scale temporary event power distribution. Panel-mounted in distribution boxes, switchgear assemblies, and equipment enclosures, it provides a permanent 220-250 V connection point for Single-phase loads including lighting, portable tools, general power outlets, workstation feeds, and individual equipment connections.\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 KHTN633 and what are its primary specifications?\",   \"acceptedAnswer\": {    \"@type\": \"Answer\",    \"text\": \"The KUPO KHTN633 is an 63 A CEE form inlet (panel-mount male) built to IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards for 220-250 V single-phase power distribution. It features a 3-pole (2P+E) configuration that carries one live conductor, one neutral conductor, and one protective earth conductor. The flame-retardant PA6 (Polyamide 6) Nylon housing with nickel-plated brass contacts accepts cables from 10-35 mm². The IP44-rated housing has a flange dimension of 100 mm and requires a panel cutout of 85 mm.\"   }  },  {   \"@type\": \"Question\",   \"name\": \"How does the earth contact design of the KHTN633 enhance electrical safety?\",   \"acceptedAnswer\": {    \"@type\": \"Answer\",    \"text\": \"As a panel-mounted inlet feeding 63 A 220-250 V power into equipment, the KHTN633 prioritizes safe power transfer at the point of entry. The keyed earth contact at the 6h clock position physically prevents cross-mating with connectors from incompatible voltage systems. The protective earth on this 3-pole (2P+E) connector always engages first and releases last, ensuring the ground path is established before any of the 2 remaining contacts connect. The IP44 (Ingress Protection 44) rating protects the panel-mounted connection against splashing water from all directions and solid objects larger than 1 mm, maintaining protection integrity within the enclosure.\"   }  },  {   \"@type\": \"Question\",   \"name\": \"How does the IEC 60309 standard ensure the KHTN633 works in multi-vendor installations?\",   \"acceptedAnswer\": {    \"@type\": \"Answer\",    \"text\": \"The KUPO KHTN633 is manufactured to IEC 60309-1 and IEC 60309-2 dimensional standards, ensuring full interoperability with CEE form connectors from all compliant manufacturers worldwide. To mate correctly, both connectors must share the same amperage rating (63 A), voltage class (220-250 V), pole configuration (3-pole (2P+E)), and earth contact clock position (6h). The clock position keying acts as a mechanical interlock: a 220-250 V connector with a 6h earth position cannot physically engage with a connector keyed to a different clock position, preventing dangerous cross-connections between incompatible electrical systems.\"   }  },  {   \"@type\": \"Question\",   \"name\": \"What installation steps are required to fit the KHTN633 into a panel enclosure?\",   \"acceptedAnswer\": {    \"@type\": \"Answer\",    \"text\": \" Cut the panel opening to the specified cutout dimensions. Mount the inlet from the rear of the panel so that the pins protrude through to the front. Secure with mounting hardware and wire the internal conductors to the terminals from behind the panel. The KHTN633 has a flange dimension of 100 mm and requires a panel cutout of 85 mm. The cable size range for this unit is 10-35 mm². All terminal screws face the same direction for faster wiring. The IP44 protection is maintained when the housing is properly closed and the cable gland is correctly tightened.\"   }  },  {   \"@type\": \"Question\",   \"name\": \"What are the typical applications for the KHTN633?\",   \"acceptedAnswer\": {    \"@type\": \"Answer\",    \"text\": \"As a heavy-duty single-phase inlet, the KHTN633 serves main power feeds, industrial switchgear inputs, large motor drives, heavy machinery connections, and large-scale temporary event power distribution. Panel-mounted in distribution boxes, switchgear assemblies, and equipment enclosures, it provides a permanent 220-250 V connection point for Single-phase loads including lighting, portable tools, general power outlets, workstation feeds, and individual equipment connections.\"   }  } ]}\u003c\/script\u003e\u003c!-- ====== END FAQ + JSON SCHEMA BLOCK: KHTN633 --\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: #2C3E50 !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=\"KHTN6331\"\u003e \u003ch2\u003eDownload\u003c\/h2\u003e \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/KHTN6331.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e  Download KHTN6331 Spec Sheet (PDF) \u003c\/a\u003e\u003c\/section\u003e","brand":"KUPO Stage","offers":[{"title":"CEE Form \/ 63A \/ Inlet","offer_id":53907595329835,"sku":"KHTN6331","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/KHTN6331_b.jpg?v=1782111933","url":"https:\/\/kupostage.com\/products\/khtn6331","provider":"KUPO Stage","version":"1.0","type":"link"}