{"product_id":"chc-4-0","title":"CHC-4.0 - Grade 80 Alloy Load Chain 4.0 x 12.0 mm","description":"\u003c!-- Sub-type: R- °C --\u003e\u003c!-- Source: chc-4-0-grade-80-alloy-load-chain-4 mm.md --\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=\" CHC-4.0\" data-color=\"Black\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe KUPO CHC-4.0 is a 4.0 x 12.0 mm Grade 80 alloy load chain for RIGPRO hoists, manufactured from chromium-molybdenum alloy and finished in black phosphate for corrosion resistance and a low-profile entertainment look. It is an EN 818-7 Type DT chain for power-driven hoist use, with periodic embossing for traceability and identification.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eThis is the smaller RIGPRO chain size, made for compact 250 kg and single-phase brushless-DC hoists. It keeps the hoist package lighter while still meeting the Grade 80 and EN 818-7 requirements expected in overhead entertainment rigging.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003eEN 818-7 compliant Type DT construction matches the baseline standard for power-driven hoist chains.\u003c\/li\u003e    \u003cli\u003e20.0 kN minimum breaking force supports the rated hoist families that use this chain size.\u003c\/li\u003e    \u003cli\u003eHV 550 minimum hardness and 12 percent minimum elongation at break support controlled lifting-chain performance.\u003c\/li\u003e    \u003cli\u003eBlack phosphate finish helps resist corrosion and keeps the chain visually discreet in entertainment rigs.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eAdditional Technical Notes\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003e Chain Fall: 1\u003c\/li\u003e    \u003cli\u003eBrake: One spring-loaded DC brake\u003c\/li\u003e    \u003cli\u003e Friction Clutch: Overload slipping clutch\u003c\/li\u003e    \u003cli\u003eWorking Noise: within 75 dB\u003c\/li\u003e    \u003cli\u003eDimensions: A 410, B 135, C 18, D 205, F 175, H 28, I 28, J 85, M 25 mm\u003c\/li\u003e    \u003cli\u003eMotor Isolation Class: F\u003c\/li\u003e    \u003cli\u003eLoad Wheel: Pulley type chain guide with lift wheel\u003c\/li\u003e    \u003cli\u003eSuspension: 360° turnable hook suspension with safety latch\u003c\/li\u003e    \u003cli\u003e Chain Link Weight: 0.35 kg per meter\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eApplications\u003c\/h3\u003e  \u003cp\u003eUse as load chain for compatible RIGPRO chain hoists in entertainment rigging, touring systems, theatres, venues, broadcast studios, and professional overhead lifting applications.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eRH-250, RH-SP24, RH-SP48 series chain hoists\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"CHC-4.0 - Grade 80 Alloy Load Chain 4.0 x 12.0 mm\",  \"description\": \"The KUPO CHC-4.0 is a 4.0 x 12.0 mm Grade 80 alloy load chain for RIGPRO hoists, manufactured from chromium-molybdenum alloy and finished in black phosphate for corrosion resistance and a low-profile entertainment look. It is an EN 818-7 Type DT chain for power-driven hoist use, with periodic embossing for traceability and identification.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\"  },  \"category\": \"Rigging Solution \u003e Load Chain\",  \"sku\": \" CHC-4.0\",  \"mpn\": \" CHC-4.0\",  \"color\": \"Black\",  \"material\": \" Chromium-molybdenum alloy\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Type\",      \"value\": \"Grade 80 alloy load chain, Type DT\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Standard\",      \"value\": \"EN 818-7 compliant\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimensions\",      \"value\": \"4.0 x 12.0 mm\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Material\",      \"value\": \"Chromium-molybdenum alloy\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Minimum Breaking Force\",      \"value\": \"20.0 kN\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Hardness\",      \"value\": \"HV 550 minimum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Elongation at Break\",      \"value\": \"12 percent minimum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Weight\",      \"value\": \"0.35 kg per meter\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Finish\",      \"value\": \"Black phosphate\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Manufacturer\",      \"value\": \"FE °C Japan standard, RUD or pewag available upon request\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Used in\",      \"value\": \"RH-250, RH-SP24, RH-SP48 series chain hoists\"    }  ]}\u003c\/script\u003e\u003cstyle\u003e.kupo-faq-section {  margin-top: 2rem;  padding-top: 1rem;  border-top: 1px solid #e5e5e5;}.kupo-faq-section h2 {  color: #2C3E50 !important;  font-size: 22px !important;  font-weight: 700;  line-height: 1.3;  margin: 0 0 1rem 0;  letter-spacing: 0;}.kupo-faq-section h3 {  color: #2C3E50 !important;  font-size: 16px !important;  font-weight: 700;  margin: 1rem 0 0.35rem 0;  line-height: 1.35;  letter-spacing: 0;}.kupo-faq-section p {  color: #222222 !important;  margin: 0 0 0.85rem 0;}\u003c\/style\u003e\u003csection class=\"kupo-faq-section\"\u003e  \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e  \u003ch3\u003e Can I substitute a different chain size in the same hoist\u003c\/h3\u003e  \u003cp\u003eNo. Hoist load chain must match the hoist design, pocket wheel, rating, and manufacturer requirements. Use the chain size specified for that hoist family.\u003c\/p\u003e  \u003ch3\u003eWhy does the chain need periodic embossing\u003c\/h3\u003e  \u003cp\u003ePeriodic embossing supports traceability and identification, which is required by EN 818-7.\u003c\/p\u003e  \u003ch3\u003eIs this chain for hand lifting or power-driven hoists\u003c\/h3\u003e  \u003cp\u003eThe source identifies it as an EN 818-7 Type DT chain for power-driven hoists.\u003c\/p\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"FAQPage\",  \"mainEntity\": [    {      \"@type\": \"Question\",      \"name\": \"Can I substitute a different chain size in the same hoist\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"No. Hoist load chain must match the hoist design, pocket wheel, rating, and manufacturer requirements. Use the chain size specified for that hoist family.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Why does the chain need periodic embossing\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"Periodic embossing supports traceability and identification, which is required by EN 818-7.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Is this chain for hand lifting or power-driven hoists\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"The source identifies it as an EN 818-7 Type DT chain for power-driven hoists.\"      }    }  ]}\u003c\/script\u003e","brand":"KUPO Stage","offers":[{"title":"Load Chain \/ 4.0 mm","offer_id":53907483492651,"sku":"CHC-4.0","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/CHC-4.0_b.jpg?v=1782110851","url":"https:\/\/kupostage.com\/products\/chc-4-0","provider":"KUPO Stage","version":"1.0","type":"link"}