{"product_id":"khtn2331","title":"KHTN2331 - KUPO CEE Form 63A 3-Pole Industrial Connector, 230V, IP44","description":"\u003c!-- KUPO Shopify paste-ready combined HTML for KHTN2331 --\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=\"KHTN2331\" data-voltage=\"220-250V\" data-amperage=\"63A\" data-poles=\"3\" data-ip=\"IP44\"\u003e\n\n\n  \u003cdiv class=\"product-overview\"\u003e\n    \u003cp\u003eWith earth-first contact engagement, IP44 (Ingress Protection 44) splash-proof protection, and bayonet twist-lock housing, the KUPO KHTN2331 is a 63A CEE form connector (inline female) engineered for 220-250V power distribution. The flame-retardant PA6 (Polyamide 6) Nylon housing and nickel-plated brass contacts deliver high impact resistance, corrosion protection, and low-resistance electrical paths under sustained 63A loads. The keyed earth contact at the 6-hour clock position prevents cross-mating with incompatible voltage systems, meeting IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards.\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\u003eIP44 splash-proof housing provides protection against splashing water and solid objects larger than 1mm\u003c\/li\u003e\n      \u003cli\u003eTool-free bayonet twist-lock housing enables fast open\/close access for wiring on busy jobsites\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\u003eAnti-loosening fin structure maintains a secure connection even under vibration\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\u003eIP44 Splash-proof\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\u003eCable assemblies, extension leads, and portable equipment connections\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 KHTN2331 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\": \"KHTN2331 | KUPO CEE Connector 63A 3P 220-250V 6h IP44\",\n  \"description\": \"With earth-first contact engagement, IP44 (Ingress Protection 44) splash-proof protection, and bayonet twist-lock housing, the KUPO KHTN2331 is a 63A CEE form connector (inline female) engineered for 220-250V power distribution. The flame-retardant PA6 (Polyamide 6) Nylon housing and nickel-plated brass contacts deliver high impact resistance, corrosion protection, and low-resistance electrical paths under sustained 63A loads. The keyed earth contact at the 6-hour clock position prevents cross-mating with incompatible voltage systems, meeting IEC (International Electrotechnical Commission) 60309-1 and 60309-2 standards.\",\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\": \"KHTN2331\",\n  \"mpn\": \"KHTN2331\",\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\": \"6-16 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\": \"IP44 Splash-proof\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Working Temperature Range\",\n      \"value\": \"-25 to 40 degrees Celsius\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Overall Length (A)\",\n      \"value\": \"260 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Grip Length (B)\",\n      \"value\": \"113.5 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Cable Entry Diameter (C)\",\n      \"value\": \"32 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Body Diameter (D)\",\n      \"value\": \"111 mm\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Connector Type\",\n      \"value\": \"CEE Form Connector (Inline Female)\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Connection Type\",\n      \"value\": \"Bayonet twist-lock\"\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=\"KHTN2331\" 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\u003eWhat makes the KUPO KHTN2331 suitable for its intended applications?\u003c\/h3\u003e\n    \u003cp\u003eThe KUPO KHTN2331 is a 63A CEE form connector (inline 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 6-25 mmsq. The IP44-rated housing measures 175 mm overall with a body diameter of 85 mm.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eHow does the KHTN2331 protect against cross-mating with incompatible voltage systems?\u003c\/h3\u003e\n    \u003cp\u003eThe KHTN2331 connector (inline female), rated for 63A at 220-250V, includes integrated safety mechanisms to protect both the operator and connected equipment. 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) splash-proof rating protects this inline connector against water splashes and solid objects larger than 1mm during portable field use.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"kupo-faq-seo-item\"\u003e\n    \u003ch3\u003eCan the KUPO KHTN2331 be used with non-KUPO IEC 60309 connectors?\u003c\/h3\u003e\n    \u003cp\u003eThe KUPO KHTN2331 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 steps are involved in preparing and wiring the KHTN2331?\u003c\/h3\u003e\n    \u003cp\u003eOpen the bayonet twist-lock housing, prepare the cable by stripping conductors to the specified length, and secure each conductor in its terminal. The contact tubes inside the connector receive the plug's pins during mating. Close the housing by pressing and rotating clockwise until the bayonet locks click into place. The KHTN2331 accepts cables from 6-25 mmsq through a 20 mm cable entry opening. The overall body length is 175 mm with a body diameter of 85 mm. 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 real-world scenarios call for the KHTN2331?\u003c\/h3\u003e\n    \u003cp\u003eAs a heavy-duty single-phase connector, the KHTN2331 serves main power feeds, industrial switchgear inputs, large motor drives, heavy machinery connections, and large-scale temporary event power distribution. As an inline connector, it is used in cable assemblies, extension leads, and portable equipment connections for general-purpose industrial and commercial power, lighting circuits, workstation feeds, shore power for boats and marinas, and portable 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\": \"What makes the KUPO KHTN2331 suitable for its intended applications?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The KUPO KHTN2331 is a 63A CEE form connector (inline 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 6-25 mmsq. The IP44-rated housing measures 175 mm overall with a body diameter of 85 mm.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the KHTN2331 protect against cross-mating with incompatible voltage systems?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The KHTN2331 connector (inline female), rated for 63A at 220-250V, includes integrated safety mechanisms to protect both the operator and connected equipment. 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) splash-proof rating protects this inline connector against water splashes and solid objects larger than 1mm during portable field use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can the KUPO KHTN2331 be used with non-KUPO IEC 60309 connectors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The KUPO KHTN2331 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 steps are involved in preparing and wiring the KHTN2331?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Open the bayonet twist-lock housing, prepare the cable by stripping conductors to the specified length, and secure each conductor in its terminal. The contact tubes inside the connector receive the plug's pins during mating. Close the housing by pressing and rotating clockwise until the bayonet locks click into place. The KHTN2331 accepts cables from 6-25 mmsq through a 20 mm cable entry opening. The overall body length is 175 mm with a body diameter of 85 mm. 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 real-world scenarios call for the KHTN2331?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"As a heavy-duty single-phase connector, the KHTN2331 serves main power feeds, industrial switchgear inputs, large motor drives, heavy machinery connections, and large-scale temporary event power distribution. As an inline connector, it is used in cable assemblies, extension leads, and portable equipment connections for general-purpose industrial and commercial power, lighting circuits, workstation feeds, shore power for boats and marinas, and portable 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=\"KHTN2331\"\u003e\n  \u003ch2\u003eDownload\u003c\/h2\u003e\n  \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/KHTN2331.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e\n    Download KHTN2331 Spec Sheet (PDF)\n  \u003c\/a\u003e\n\u003c\/section\u003e","brand":"KUPO Power","offers":[{"title":"CEE Industrial (IEC 60309) \/ 63A \/ Inline Connector","offer_id":50208832356572,"sku":"KHTN2331","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3491\/5548\/files\/KHTN2331.jpg?v=1777363477","url":"https:\/\/kupopower.com\/products\/khtn2331","provider":"KUPO Power","version":"1.0","type":"link"}