{"id":7213,"date":"2026-05-18T14:38:03","date_gmt":"2026-05-18T12:38:03","guid":{"rendered":"https:\/\/q3-energie.de\/customized-connection-boxes-for-ac-battery-and-pv-applications\/"},"modified":"2026-05-26T13:30:58","modified_gmt":"2026-05-26T11:30:58","slug":"customized-connection-boxes-for-ac-battery-and-pv-applications","status":"publish","type":"post","link":"https:\/\/q3-energie.de\/en\/customized-connection-boxes-for-ac-battery-and-pv-applications\/","title":{"rendered":"Customized connection boxes for AC, battery, and PV applications"},"content":{"rendered":"\n
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Customized connection boxes for AC, battery, and PV applications<\/h1>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n
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Customized connection boxes for AC, battery, and PV applications<\/strong><\/h2>\n\n\n\n
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Individually developed connection solutions for industrial energy and photovoltaic applications \u2013 manufactured according to customer requirements for maximum safety, clean integration, and reliable operation.<\/p>\n\n\n\n

Not every application can be solved with standard products. That is why Q3 ENERGIE <\/em>develops and manufactures customized connection boxes for AC, battery, and PV applications \u2013 precisely tailored to the technical requirements of the project. <\/p>\n\n\n\n

The solutions shown here were specifically designed for industrial applications in 19″ enclosures and combine a compact design with high connection flexibility, integrated protection, and professional DC or AC connection technology.<\/p>\n<\/div>\n\n\n\n

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AC connection box<\/h4>\n\n\n\n

PV battery connection box<\/h4>\n\n\n\n

PV connection box<\/h4>\n<\/div>\n\n\n\n
Project data<\/strong><\/th><\/th><\/tr><\/thead>
Application<\/td>Customized connection boxes<\/td><\/tr>
Area of application<\/td>AC connection technology, battery storage, photovoltaics<\/td><\/tr>
Technology<\/td>\u25a0 AC connection box<\/a>\u25a0 Customized connection technology<\/a><\/td><\/tr>
Special features<\/td>\u25a0 Customized connections\u25a0 Integrated fuses\u25a0 Surge protection\u25a0 Industrial design in 19″ enclosure<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n
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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n
\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n
\"Battery\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n
\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n
\"String\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n
\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n\n
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AC connection box 50 A<\/h2>\n\n\n\n

This AC connection box was developed for applications with inverters, load, and backup. Entry is via M25 cable glands for 10 mm\u00b2 cables. Additionally, the box features busbars for grid and load applications as well as pluggable connections based on Weidm\u00fcller PV BSS VAPM 5PM mating connectors. <\/em><\/p>\n\n\n\n

Technical features<\/strong>\u25a0 50A AC connection box\u25a0 19″ industrial enclosure\u25a0 Entry for inverter, load, and backup\u25a0 3 connections for 10 mm\u00b2 cables\u25a0 M25 cable glands\u25a0 Busbars for grid & load\u25a0 Connector systems based on Weidm\u00fcllerPE\/PA \u25a0 M8 connection bolts<\/p>\n<\/div>\n\n\n\n

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Battery connection box 500 A<\/h2>\n\n\n\n

Q3 ENERGIE developed this compact 500A DC connection box in 19″ format for high-performance battery systems. The design combines solid copper bars with integrated fine fuses and powerful DC protection for industrial storage applications. <\/em><\/p>\n\n\n\n

Technical features<\/strong>\u25a0 500A battery connection box\u25a0 19″ enclosure\u25a0 Entry via M32 cable gland\u25a0 Connection via M8 bolts\u25a0 2 \u00d7 fuse EF33250220\u25a0 2 \u00d7 fuse EF33150220\u25a0 2-pole battery connection\u25a0 Battery poles protected with 1A 5×20 \u25a0 Fine fuse\u25a0 Tinned 30×10 mm copper bar\u25a0 M8 PE bolt<\/p>\n<\/div>\n\n\n\n

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PV connection box for 6 MPPTs<\/h2>\n\n\n\n

This PV connection box was specifically developed for applications with six MPPT inputs. Connections are made via proven MC4 EVO2 connectors. Additionally, an integrated Type 1+2 surge protection device reliably protects the connected equipment from transient overvoltages. <\/em><\/p>\n\n\n\n

Technical features<\/strong>\u25a0 PV connection box for 6 MPPTs\u25a0 19″ enclosure\u25a0 MC4 EVO2 connections\u25a0 Input and output via St\u00e4ubli MC4 EVO2\u25a0 Type 1+2 surge protection\u25a0 Integrated remote signaling contact\u25a0 Grounding via M8 bolts<\/p>\n<\/div>\n<\/div>\n\n

These examples demonstrate how flexibly customized connection technology can be implemented \u2013 from AC distribution and battery connections to PV applications with integrated surge protection.<\/strong>Q3 ENERGIE does not develop off-the-shelf solutions, but rather ones that fit the application exactly \u2013 technically sophisticated, cleanly constructed, and manufactured in Germany.<\/h3>\n","protected":false},"excerpt":{"rendered":"

Customized connection boxes for AC, battery, and PV applications Individually developed connection solutions for industrial energy and photovoltaic applications \u2013 manufactured according to customer requirements for maximum safety, clean integration, and reliable operation. Not every application can be solved with standard products. That is why Q3 ENERGIE develops and manufactures customized connection boxes for AC,… <\/p>\n","protected":false},"author":1,"featured_media":7214,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-7213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-customized-connection-boxes"],"jetpack_featured_media_url":"https:\/\/q3-energie.de\/wp-content\/uploads\/2026\/05\/Kundenspezifische-Anschlussboxen.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/posts\/7213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/comments?post=7213"}],"version-history":[{"count":0,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/posts\/7213\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/media\/7214"}],"wp:attachment":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/media?parent=7213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/categories?post=7213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/tags?post=7213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}