[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-396655-105":59,"doc-detail-396655-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","sqe-3-submersible-electric-pumps-technical-data-3-pumps","SQE 3” Submersible Electric Pumps - Technical Data - 3 - Pumps","","Technical datasheet for Grundfos SQE vertical-axis, submersible electric pumps (3 inch) covering application requirements and protection features for clean, non-aggressive, non-explosive liquids up to 30/40°C. Includes built-in non-return valve, axial thrust protection, soft start, and overvoltage/undervoltage/overload and overtemperature safeguards. Describes single-phase motor communication with CU301 for constant-pressure speed control and the need for dry-running protection. Provides accessory options and detailed performance tables with flow rate and total manometric head ranges for multiple SQE 2/3/5/7 series models, plus hydraulic compatibility notes and component reference list.",{"@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/sqe-3-submersible-electric-pumps-technical-data-3-pumps/396655/",{"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/sqe-3-submersible-electric-pumps-technical-data-3-pumps/396655.png","ImageObject",300,407,{"name":92,"@type":93},"8796093062539","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-08","2026-09-26",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What liquids are SQE 3” submersible electric pumps intended to handle?","Question",{"text":112,"@type":113},"They are designed for pumping clean, non-aggressive, non-explosive liquids within the stated temperature limits, with no solid particles or fibres and a maximum sand content of 50 g/m3.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the constant-pressure control work?",{"text":117,"@type":113},"A single-phase motor communicates with the CU301 control unit, which adjusts pump speed to maintain constant pressure. Operating point can be set within the pump’s minimum and maximum performance curve, using speed control between 65% and 100%.",{"name":119,"@type":110,"acceptedAnswer":120},"What protections and startup features are included?",{"text":121,"@type":113},"The pumps include a built-in non-return valve, axial thrust protection, soft start device, and protections for overvoltage, undervoltage, overload and overtemperature. SQE pumps also need protection against dry running.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},396655,1790799065,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":66,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":138,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":67,"update_tm":142,"read_time":39},8796093062539,"Technical Data  \nElectric Pumps > Vertical Axis, Submersible  \nPumps  \n> SQE  \nGrundfos Series  \n3”    \nDESCRIPTION:  \nApplication  \n• Built-in non-return valve  \n• Axial thrust protection  \n• Soft start device  \n• Overvoltage, undervoltag, overload andovertemperature protection  \n• Designed for pumping of fluid, clean, non-aggressive, inexplosive liquids and by temperatures not over 30°/40° C, with no solid particles or fibres or by a maximum sand content of 50 g/m3  \n• Equipped with a single-phase motor capable to communicate with CU301 control unit, which adjustes the pump speed to keep a constant pressure  \n• SQE pump need protection against dry running  \n• It is possible to set the pump on any working point included in the minimum and maximum performance curve of the pump (speed control variable between 65% and 100% of the performing curve)  \nACCESSORIES ON COMPLETION OF SQE VARIABLE SPEED PUMPS  \n\n| Code | Description | Type |  |\n| --- | --- | --- | --- |\n| EUN001 | Control and communication unit for SQE pumps in constant pressure applications | CU 301 1 x 230 V | |\n| FID030 | Expansion tank | 5 liters | |\n| SPUN010 | 0 ÷ 6 bar pressure sensor | X CU 301 | |\n\nSCARABELLI IRRIGAZIONE s.r.l.• Via Viadagola 48 • 40057 Granarolo dell’Emilia (BO) Tel +39(0)51 763.363 • Fax +39(0)51 763.397 • [www.scarabelli.it](www.scarabelli.it) • [info@scarabelli.it](info@scarabelli.it)  \nTechnical Data  \nElectric Pumps > Vertical Axis, Submersible  \n3” SUBMERSIBLE ELECTRIC PUMPS- (2800 RPM-50 HZ) -TOTAL MANOMETRIC HEADS IN METERS  \n\n| Type | Code | Nom.\u003Cbr>power\u003Cbr>Kw | Single\u003Cbr>phase\u003Cbr>230 V\u003Cbr>A | Flow rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Threaded\u003Cbr>delivery | Pump and\u003Cbr>motor unit |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  | l/m | 0 | 8 | 17 | 25 | 34 | 42 | 50 | 58 | 67 | 83 | 100 | 117 | 133 | 150 |  |  |  |\n|  |  |  |  | l/s | 0 | 0,14 | 0,28 | 0,42 | 0,56 | 0,70 | 0,83 | 0,97 | 1,11 | 1,39 | 1,67 | 1,95 | 2,22 | 2,50 |  | H\u003Cbr>mm | Weight\u003Cbr>kg |\n|  |  |  |  | m3/h | 0 | 0,5 | 1,0 | 1,5 | 2,0 | 2,5 | 3,0 | 3,5 | 4,0 | 5,0 | 6,0 | 7,0 | 8,0 | 9,0 |  |  |  |\n| SQE 2-35 | PSM171 | 0,45 | 2,9 |  | 45 | 43 | 42 | 39 | 35 | 29 | 19 |  |  |  |  |  |  |  | 1”1/4 | 747 | 4,7 |\n| SQE 2-55 | PSM172 | 0,65 | 4,1 |  | 68 | 66 | 63 | 60 | 54 | 45 | 32 |  |  |  |  |  |  |  | 1”1/4 | 747 | 4,8 |\n| SQE 2-70 | PSM173 | 0,87 | 5,3 |  | 89 | 87 | 84 | 79 | 72 | 60 | 43 |  |  |  |  |  |  |  | 1”1/4 | 774 | 5,4 |\n| SQE 2-85 | PSM174 | 0,98 | 6,0 |  | 109 | 108 | 105 | 99 | 89 | 74 | 54 |  |  |  |  |  |  |  | 1”1/4 | 828 | 5,5 |\n| SQE 2-100 | PSM175 | 1,30 | 7,7 |  | 132 | 131 | 128 | 120 | 109 | 91 | 67 |  |  |  |  |  |  |  | 1”1/4 | 864 | 6,2 |\n| SQE 2-115 | PSM176 | 1,50 | 8,9 |  | 155 | 154 | 150 | 142 | 129 | 108 | 79 |  |  |  |  |  |  |  | 1”1/4 | 891 | 6,3 |\n\n| SQE 5-15 | PSM159 | 0,26 | 1,9 |  | 18 | 15 | 14 | 13 | 11 | 7 | 1”1/2 | 747 | 4,7 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| SQE 5-25 | PSM160 | 0,54 | 3,4 |  | 36 | 31 | 29 | 28 | 24 | 18 | 1”1/2 | 747 | 4,8 |\n| SQE 5-35 | PSM161 | 0,80 | 4,9 |  | 54 | 46 | 44 | 42 | 36 | 28 | 1”1/2 | 864 | 5,5 |\n| SQE 5-50 | PSM162 | 1,06 | 6,5 |  | 71 | 62 | 59 | 56 | 49 | 38 | 1”1/2 | 864 | 5,5 |\n| SQE 5-60 | PSM165 | 1,33 | 7,9 |  | 89 | 77 | 74 | 70 | 61 | 48 | 1”1/2 | 945 | 6,4 |\n| SQE 5-70 | PSM166 | 1,60 | 9,5 |  | 106 | 93 | 89 | 85 | 73 | 58 | 1”1/2 | 945 | 6,4 |\n\n\n| SQE 7-15 | PSM167 | 0,42 | 2,8 |  | 21 | 17 | 16 | 14 | 12 | 9 | 6 | 2 | 1”1/2 | 747 | 4,7 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| SQE 7-30 | PSM168 | 0,84 | 5,2 |  | 42 | 36 | 35 | 32 | 29 | 24 | 18 | 10 | 1”1/2 | 747 | 5,2 |\n| SQE 7-40 | PSM169 | 1,27 | 7,6 |  | 64 | 56 | 54 | 50 | 45 | 38 | 29 | 19 | 1”1/2 | 864 | 6,1 |\n\nNote: the hydraulic characteristics of the SQ series pumps are identical to the SQE","cbCaihZPDvr1qGM2","https://ap.wps.com/l/cbCaihZPDvr1qGM2","pdf",464381,"English","# Application\n## Design and protections\n## Accessories on completion of SQE variable speed pumps\n# Technical data\n## Performance ranges and total manometric heads\n## Model table (SQE 2, 5, 7 series)\n## Notes and hydraulic compatibility\n## Pump system components","[{\"question\":\"What liquids are SQE 3” submersible electric pumps intended to handle?\",\"answer\":\"They are designed for pumping clean, non-aggressive, non-explosive liquids within the stated temperature limits, with no solid particles or fibres and a maximum sand content of 50 g/m3.\"},{\"question\":\"How does the constant-pressure control work?\",\"answer\":\"A single-phase motor communicates with the CU301 control unit, which adjusts pump speed to maintain constant pressure. Operating point can be set within the pump’s minimum and maximum performance curve, using speed control between 65% and 100%.\"},{\"question\":\"What protections and startup features are included?\",\"answer\":\"The pumps include a built-in non-return valve, axial thrust protection, soft start device, and protections for overvoltage, undervoltage, overload and overtemperature. SQE pumps also need protection against dry running.\"}]","SQE 3” Submersible Electric Pumps - Technical Data - 3 - Pumps | PDF",1790445970]