{"product_id":"khtn4331","title":"KHTN4331 - KUPO CEE Form 63A 3-Pole Industrial Receptacle, 230V, IP67","description":"\u003c!-- KUPO Shopify paste-ready combined HTML for KHTN4331 --\u003e\n\u003c!-- Includes product description, Product JSON-LD, FAQ, FAQ JSON-LD, and Download section. --\u003e\n\n\u003cstyle\u003e\n.kupo-section-title {\n  margin: 1.25rem 0 1rem 0;\n  font-size: 22px !important;\n  font-weight: 700;\n  line-height: 1.3;\n  color: #005F96 !important;\n  letter-spacing: 0;\n}\n.product-description h3 {\n  color: #005F96 !important;\n  font-size: 18px !important;\n  font-weight: bold;\n  margin-top: 1.5rem;\n  margin-bottom: 0.75rem;\n  line-height: 1.35;\n  letter-spacing: 0;\n}\n.product-description,\n.product-description p,\n.product-description li {\n  color: #222222 !important;\n}\n\u003c\/style\u003e\n\n\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\n\u003cdiv class=\"product-description\" data-sku=\"KHTN4331\" data-voltage=\"220-250V\" data-amperage=\"63A\" data-poles=\"3\" data-ip=\"IP67\"\u003e\n\n\n  \u003cdiv class=\"product-overview\"\u003e\n    \u003cp\u003eBuilt to IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards, the KUPO KHTN4331 is a 63A CEE form receptacle (panel-mount female) rated for 220-250V operation with 3-pole (2P+E) configuration. The CE-marked design 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 ensure safe, foolproof connections across industrial, commercial, and entertainment applications.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"product-features\"\u003e\n    \u003ch3\u003eKey Features\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003eProtective earth engages first and releases last, ensuring the ground path is established before live contacts connect\u003c\/li\u003e\n      \u003cli\u003eKeyed earth contact at the 6-hour clock position prevents cross-mating with incompatible voltage systems\u003c\/li\u003e\n      \u003cli\u003eIP67 watertight housing withstands temporary immersion up to 1 meter and complete dust ingress for harsh outdoor and wet environments\u003c\/li\u003e\n      \u003cli\u003eRugged screw-type coupling maximizes mechanical strength and sealing integrity for stable performance in demanding conditions\u003c\/li\u003e\n      \u003cli\u003eFlame-retardant PA6 (Polyamide 6) Nylon housing provides high impact resistance, electrical insulation, and self-extinguishing properties\u003c\/li\u003e\n      \u003cli\u003eNickel-plated brass contacts deliver corrosion resistance and reliable low-resistance connections at sustained 63A loads\u003c\/li\u003e\n      \u003cli\u003eAll terminal screws face the same direction for faster, more intuitive wiring\u003c\/li\u003e\n      \u003cli\u003ePanel-mount design with standardized cutting hole dimensions for straightforward integration into enclosures, distribution boxes, and equipment panels\u003c\/li\u003e\n      \u003cli\u003eBlue-coded housing identifies the 220-250V voltage class per international IEC 60309 color convention\u003c\/li\u003e\n      \u003cli\u003eRated for operation from -25 to 40 degrees Celsius\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"product-certifications\"\u003e\n    \u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003eCE Marked: Low Voltage Directive 2014\/35\/EU\u003c\/li\u003e\n      \u003cli\u003eIEC\/EN 60309-1: 1999 +A1:2007 +A2:2012. General requirements for industrial plugs, socket-outlets and couplers\u003c\/li\u003e\n      \u003cli\u003eIEC\/EN 60309-2: 1999 +A1:2007 +A2:2012. Dimensional compatibility requirements for pin and contact-tube accessories\u003c\/li\u003e\n      \u003cli\u003eRoHS Compliant: Directive 2011\/65\/EU and (EU)2015\/863\u003c\/li\u003e\n      \u003cli\u003eREACH Compliant: Regulation No 1907\/2006, Article 33(1) Obligation\u003c\/li\u003e\n      \u003cli\u003eIP67 Watertight\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"product-applications\"\u003e\n    \u003ch3\u003eApplications\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003eTemporary and permanent power distribution on construction sites\u003c\/li\u003e\n      \u003cli\u003eGeneral-purpose single-phase industrial and commercial power\u003c\/li\u003e\n      \u003cli\u003eShore power for boats and marinas\u003c\/li\u003e\n      \u003cli\u003eHeavy industrial main distribution feeds and generator connections\u003c\/li\u003e\n      \u003cli\u003eSite main incomers and primary power infrastructure\u003c\/li\u003e\n      \u003cli\u003eDistribution boards, switchgear assemblies, and equipment panel installations\u003c\/li\u003e\n      \u003cli\u003eEntertainment and live event production\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"product-compatibility\"\u003e\n    \u003ch3\u003eCompatibility\u003c\/h3\u003e\n    \u003cp\u003eThe KUPO KHTN4331 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 220-250V voltage class, preventing cross-connections between incompatible electrical systems.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"product-color-conventions\"\u003e\n    \u003ch3\u003eVoltage Color Convention\u003c\/h3\u003e\n        \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\n        \u003cp\u003eCEE form connectors use internationally standardized housing colors to indicate voltage class: Yellow for 110-130V, Blue for 200-250V, Red for 380-480V, and Black for 500-690V. 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\n\n\u003c\/div\u003e\n\n\u003c!-- Product JSON-LD structured data --\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"KHTN4331 | KUPO CEE Receptacle 63A 3P 220-250V 6h IP67\",\n  \"description\": \"Built to IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards, the KUPO KHTN4331 is a 63A CEE form receptacle (panel-mount female) rated for 220-250V operation with 3-pole (2P+E) configuration. The CE-marked design 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 ensure safe, foolproof connections across industrial, commercial, and entertainment applications.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"KUPO\"\n  },\n  \"manufacturer\": {\n    \"@type\": \"Organization\",\n    \"name\": \"KUPO CO. LTD\",\n    \"url\": \"https:\/\/www.kupopower.com\"\n  },\n  \"category\": \"Electrical Connectors \u003e Industrial Plugs \u0026 Sockets \u003e CEE Form (IEC 60309)\",\n  \"sku\": \"KHTN4331\",\n  \"mpn\": \"KHTN4331\",\n  \"color\": \"Blue \u0026 Gray\",\n  \"material\": \"PA6 Nylon (Flame Retardant)\",\n  \"additionalProperty\": [\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Amperage Rating\",\n      \"value\": \"63A Maximum\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Voltage Rating\",\n      \"value\": \"AC 220-250V Maximum\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Number of Poles\",\n      \"value\": \"3 (2P+E)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Earth Contact Position\",\n      \"value\": \"6h\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Suitable Cable Size\",\n      \"value\": \"6-25 mmsq\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Housing Material\",\n      \"value\": \"Flame Retardant PA6 Nylon\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Housing Color\",\n      \"value\": \"Blue \u0026 Gray\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Contact Material\",\n      \"value\": \"Brass with Nickel Plating\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"IP Rating\",\n      \"value\": \"IP67 Watertight\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Working Temperature Range\",\n      \"value\": \"-25 to 40 degrees Celsius\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Flange Dimensions (A\/B)\",\n      \"value\": \"100 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Cutout Dimensions (C\/D)\",\n      \"value\": \"80 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Dimension E\",\n      \"value\": \"39 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Dimension F\",\n      \"value\": \"94.5 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Dimension G\",\n      \"value\": \"114.5 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Dimension H\",\n      \"value\": \"73 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Connector Type\",\n      \"value\": \"CEE Form Receptacle (Panel-Mount Female)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Connection Type\",\n      \"value\": \"Screw-type coupling\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Standard\",\n      \"value\": \"IEC\/EN 60309-1: 1999 +A1:2007 +A2:2012, IEC\/EN 60309-2: 1999 +A1:2007 +A2:2012\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Certifications\",\n      \"value\": \"CE, RoHS, REACH\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Voltage Color Code\",\n      \"value\": \"Blue = 220-250V\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"RoHS Compliant\",\n      \"value\": \"Yes\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"REACH Compliant\",\n      \"value\": \"Yes\"\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cstyle\u003e\n.kupo-faq-seo-block {\n  margin: 3rem 0 0 0;\n  padding: 0;\n  border: 0;\n  background: transparent;\n  box-sizing: border-box;\n}\n.kupo-faq-seo-block h2 {\n  margin: 0 0 1.6rem 0;\n  font-size: 22px !important;\n  font-weight: 700;\n  line-height: 1.4;\n  color: #005F96 !important;\n}\n.kupo-faq-seo-item {\n  border-top: 1px solid #ececec;\n  padding: 0.8rem 0;\n}\n.kupo-faq-seo-item:first-of-type {\n  border-top: 0;\n  padding-top: 0;\n}\n.kupo-faq-seo-item h3 {\n  margin: 0 0 0.35rem 0;\n  font-size: 17px !important;\n  font-weight: 600;\n  line-height: 1.45;\n  color: #005F96 !important;\n}\n.kupo-faq-seo-item p {\n  margin: 0;\n  line-height: 1.6;\n  color: #222222 !important;\n}\n\u003c\/style\u003e\n\u003csection class=\"kupo-faq-seo-block\" data-product-id=\"KHTN4331\" data-category=\"CEE Form (IEC 60309)\"\u003e\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eHow is the KUPO KHTN433 configured and what specifications does it offer?\u003c\/h3\u003e\n    \u003cp\u003eThe KUPO KHTN433 is a 63A CEE form receptacle (panel-mount female) built to IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards for 220-250V 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 mmsq. The IP44-rated housing has a flange dimension of 100 mm and requires a panel cutout of 85 mm.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eWhat safety mechanisms does the KHTN433 include to prevent incorrect connections?\u003c\/h3\u003e\n    \u003cp\u003ePermanently mounted in panels and enclosures, the KHTN433 63A 220-250V receptacle provides continuous protection for the distribution system it serves. 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 1mm, maintaining protection integrity within the enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eIs the KHTN433 compatible with CEE form connectors from other manufacturers?\u003c\/h3\u003e\n    \u003cp\u003eThe KUPO KHTN433 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 (63A), voltage class (220-250V), pole configuration (3-pole (2P+E)), and earth contact clock position (6h). The clock position keying acts as a mechanical interlock: a 220-250V 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\n  \u003c\/div\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eWhat installation steps are required to fit the KHTN433 into a panel enclosure?\u003c\/h3\u003e\n    \u003cp\u003eMark and cut the panel opening to the specified cutout dimensions. Insert the receptacle from the front of the panel, align the flange with the mounting surface, and secure using the provided mounting hardware. Wire the terminals from behind the panel, connecting each conductor to its designated terminal. The KHTN433 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 mmsq. 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\n  \u003c\/div\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eWhat types of installations benefit most from the KHTN433?\u003c\/h3\u003e\n    \u003cp\u003eAs a heavy-duty single-phase receptacle, the KHTN433 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 220-250V connection point for Single-phase loads including lighting, portable tools, general power outlets, workstation feeds, and individual equipment connections.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How is the KUPO KHTN433 configured and what specifications does it offer?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The KUPO KHTN433 is a 63A CEE form receptacle (panel-mount female) built to IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards for 220-250V 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 mmsq. The IP44-rated housing has a flange dimension of 100 mm and requires a panel cutout of 85 mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What safety mechanisms does the KHTN433 include to prevent incorrect connections?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Permanently mounted in panels and enclosures, the KHTN433 63A 220-250V receptacle provides continuous protection for the distribution system it serves. 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 1mm, maintaining protection integrity within the enclosure.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the KHTN433 compatible with CEE form connectors from other manufacturers?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The KUPO KHTN433 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 (63A), voltage class (220-250V), pole configuration (3-pole (2P+E)), and earth contact clock position (6h). The clock position keying acts as a mechanical interlock: a 220-250V 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.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What installation steps are required to fit the KHTN433 into a panel enclosure?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Mark and cut the panel opening to the specified cutout dimensions. Insert the receptacle from the front of the panel, align the flange with the mounting surface, and secure using the provided mounting hardware. Wire the terminals from behind the panel, connecting each conductor to its designated terminal. The KHTN433 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 mmsq. 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.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What types of installations benefit most from the KHTN433?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"As a heavy-duty single-phase receptacle, the KHTN433 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 220-250V connection point for Single-phase loads including lighting, portable tools, general power outlets, workstation feeds, and individual equipment connections.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c!-- ==================== DOWNLOAD SECTION ==================== --\u003e\n\u003cstyle\u003e\n.kupo-download-section {\n  margin: 2rem 0 0 0;\n  padding: 0;\n  border: 0;\n  background: transparent;\n  box-sizing: border-box;\n}\n.kupo-download-section h2 {\n  margin: 0 0 1rem 0;\n  font-size: 22px !important;\n  font-weight: 700;\n  line-height: 1.4;\n  color: #005F96 !important;\n}\n.kupo-download-link {\n  display: inline-flex;\n  align-items: center;\n  gap: 0.4rem;\n  font-size: 16px !important;\n  line-height: 1.5;\n  color: #111111 !important;\n  font-weight: 600;\n  text-decoration: underline;\n}\n\u003c\/style\u003e\n\u003csection class=\"kupo-download-section\" data-product-id=\"KHTN4331\"\u003e\n  \u003ch2\u003eDownload\u003c\/h2\u003e\n  \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/KHTN4331.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e\n    Download KHTN4331 Spec Sheet (PDF)\n  \u003c\/a\u003e\n\u003c\/section\u003e","brand":"KUPO Power","offers":[{"title":"CEE Industrial (IEC 60309) \/ 63A \/ Panel Mount Receptacle","offer_id":50208832454876,"sku":"KHTN4331","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3491\/5548\/files\/KHTN4331.jpg?v=1777363479","url":"https:\/\/kupopower.com\/products\/khtn4331","provider":"KUPO Power","version":"1.0","type":"link"}