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The tables organize protective device recommendations by drive product family and input type, separating 50Hz and 60Hz voltage ranges and including both three-phase and single-phase inputs. Device categories include IEC DIN class fuses, optimized fuse sizing, molded case circuit breakers (with maximum/optimized CB sizing where applicable), motor protection circuit breakers, and UL class J fuses, with SCCR file references for each voltage band.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/circuit-protection-design-and-sccr-tables-low-voltage-ac-drives-revised/664740/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/circuit-protection-design-and-sccr-tables-low-voltage-ac-drives-revised/664740.png","ImageObject",300,407,{"name":92,"@type":93},"Asher","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What 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--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  | 3 Phase Inputs |  |  |  |  |  | Single Phase Inputs |  | 3 Phase Inputs |  |  |  |  |  |\n|  |  | 220-230V | 380-400V | 415V | 440V | 500-525V | 690V | 120V | 240V | 200-208V | 230-240V | 300V | 480V | 600V | 690V |\n| PowerFlex 520 Drives | IEC DIN Class Fuses-Maximum Fuse Sizing | SCCR-41101M.pdf | SCCR-41301M.pdf | SCCR-41401M.pdf | SCCR-41501M.pdf | SCCR-41701M.pdf |  |  |  |  |  |  |  |  |  |\n|  | IEC DIN Class Fuses-Optimized Fuse Sizing | SCCR-41102M.pdf | SCCR-41302M.pdf | SCCR-41402M.pdf | SCCR-41502M.pdf | SCCR-41702M.pdf |  |  |  |  |  |  |  |  |  |\n|  | 140G Molded Case Circuit Breakers | SCCR-41111M.pdf | SCCR-41311M.pdf | SCCR-41411M.pdf | SCCR-41511M.pdf |  |  |  |  |  |  |  |  |  |  |\n|  | 140M / 140MT Motor Protection Circuit Breakers | SCCR-41121M.pdf | SCCR-41321M.pdf | SCCR-41421M.pdf | SCCR-41521M.pdf | SCCR-41721M.pdf |  |  |  |  | SCCR-41271M.pdf |  | SCCR-41671M.pdf | SCCR-41871M.pdf |  |\n|  | UL Class J Fuses-Maximum Fuse Sizing |  |  |  |  |  |  |  |  |  | SCCR-41251M.pdf |  | SCCR-41651M.pdf | SCCR-41851M.pdf |  |\n|  | UL Class J Fuses-Optimized Fuse Sizing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| PowerFlex 4 Drives | IEC DIN Class Fuses |  | SCCR-42301M.pdf | SCCR-42401M.pdf | SCCR-42501M.pdf |  |  |  |  |  |  |  |  |  |  |\n|  | 140M Motor Protection Circuit Breakers |  | SCCR-42321M.pdf | SCCR-42421M.pdf | SCCR-42521M.pdf |  |  |  |  |  |  |  | SCCR-42671M.pdf |  |  |\n|  | UL Class J Fuses |  |  |  |  |  |  |  |  |  |  |  | SCCR-42651M.pdf |  |  |\n| PowerFlex 4M Drives | IEC DIN Class Fuses |  | SCCR-43301M.pdf | SCCR-43401M.pdf | SCCR-43501M.pdf |  |  |  |  |  |  |  |  |  |  |\n|  | 140M Motor Protection Circuit Breakers |  | SCCR-43321M.pdf | SCCR-43421M.pdf | SCCR-43521M.pdf |  |  |  |  |  |  |  | SCCR-43671M.pdf |  |  |\n|  | UL Class J Fuses |  |  |  |  |  |  |  |  |  |  |  | SCCR-43651M.pdf |  |  |\n| PowerFlex 750 Drives | 140G Molded Case Circuit BreakersMaximum CB Sizing (Type 1) |  |  |  |  |  |  |  |  |  |  |  |  | SCCR-44861E Type1.pdf |  |\n|  | 140G Molded Case Circuit BreakersMaximum CB Sizing (Type 2) |  | SCCR-44311E.pdf | SCCR-44411E.pdf |  |  |  |  |  |  |  |  | SCCR-44661E.pdf | SCCR-44861E Type2.pdf |  |\n|  | 140G Molded Case Circuit BreakersOptimized CB Sizing (Type 1) |  |  |  |  |  |  |  |  |  |  |  |  | SCCR-44862E Type1.pdf |  |\n|  | 140G Molded Case Circuit BreakersOptimized CB Sizing (Type 2) |  | SCCR-44312E.pdf | SCCR-44412E.pdf |  |  |  |  |  |  |  |  | SCCR-44662E.pdf | SCCR-44862E Type2.pdf |  |\n|  | 140M Motor Protection Circuit Breakers |  | SCCR-44321M.pdf | SCCR-44421M.pdf |  |  |  |  |  |  |  |  | SCCR-44671M.pdf | SCCR-44871M.pdf |  |\n|  | UL Class J Fuses-Maximum Fuse Sizing |  |  |  |  |  |  |  |  |  |  |  | SCCR-44651E.pdf | SCCR-44851E.pdf |  |\n|  | UL Class J Fuses-Optimized Fuse Sizing |  |  |  |  |  |  |  |  |  |  |  | SCCR-44652E.pdf | SCCR-44852E.pdf |  |\n| PowerFlex 755T Drives | 140G Molded Case Circuit BreakersOptimized CB Sizing |  | SCCR-4569M.pdf |  |  |  | SCCR-4539M.pdf |  |  |  |  |  | SCCR-4599M.pdf | SCCR-4519M.pdf |  |\n| PowerFlex 755TS Drives | 140G Molded Case Circuit BreakersOptimized CB Sizing |  | SCCR-4669M.pdf |  |  |  |  |  |  |  |  |  | SCCR-4699M.pdf |  |  |\n\nRevised February 2025","cbCaihOto53O265T","https://ap.wps.com/l/cbCaihOto53O265T","pdf",110898,"English","# Protective device mapping by drive family\n## 50Hz voltage ranges (three-phase and single-phase)\n## 60Hz voltage ranges (three-phase and single-phase)\n## IEC and UL fuse and circuit breaker options","[{\"question\":\"What does the document provide for low-voltage AC drives?\",\"answer\":\"It provides SCCR table references to support circuit protection design for low-voltage AC drives across multiple product families and voltage ranges.\"},{\"question\":\"How are the SCCR tables organized?\",\"answer\":\"They are organized by product family, protective device type, and input configuration, with separate coverage for 50Hz and 60Hz voltage ranges and for three-phase versus single-phase inputs.\"},{\"question\":\"Which protective device categories are included?\",\"answer\":\"The tables include IEC DIN class fuses (maximum and optimized sizing where applicable), molded case circuit breakers, motor protection circuit breakers, and UL class J fuses (maximum and optimized sizing where applicable).\"}]","Circuit Protection Design and SCCR Tables - Low Voltage AC Drives - revised | PDF"]