{"id":7284,"date":"2026-01-12T17:56:21","date_gmt":"2026-01-12T16:56:21","guid":{"rendered":"https:\/\/q3-energie.de\/pv-connection-technology-products-firefighter-switches-generator-junction-boxes-ac-dc-boxes\/"},"modified":"2026-08-10T17:25:20","modified_gmt":"2026-08-10T15:25:20","slug":"products","status":"publish","type":"page","link":"https:\/\/q3-energie.de\/en\/products\/","title":{"rendered":"PV Products for Connection Technology, Safety and Energy Storage"},"content":{"rendered":"\n
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PV Products for Connection Technology, Safety and Energy Storage<\/h1>\n\n\n\n
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PV products such as firefighter switches, PV combiner boxes, DC combiners, AC connection boxes and energy storage systems \u2013 designed as standard solutions or project-specific solutions for professional photovoltaic systems.<\/h3>\n\n\n\n
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Firefighter Switches & Generator Disconnection \u2192<\/a><\/div>\n\n\n\n
DC Connection – PV Combiner Boxes & DC Combiners \u2192<\/a><\/div>\n\n\n\n
AC Connection, Surge Protection & Grid Technology \u2192<\/a><\/div>\n\n\n\n
AlphaESS Energy Storage for Residential, Commercial & Industrial Applications \u2192<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Firefighter Switches & Generator Disconnection<\/h2>\n\n\n\n
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\"QFire<\/span>
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QFire BIG
Firefighter Switch<\/h3>\n\n\n
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\"Customised<\/figure>\n<\/div>\n\n\n

Galvanic isolation of up to 24 PV strings per switching box in accordance with IEC 60947-3. Centrally controlled and modularly expandable system for larger PV installations.<\/p>\n\n\n\n

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View QFire BIG
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\"QFire<\/span>
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QFire LITE
Firefighter Switch<\/h3>\n\n\n
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\"PV-Produkte<\/figure>\n<\/div>\n\n\n

Galvanic isolation of 2 or 4 PV strings in accordance with IEC 60947-3. Compact standard solution for smaller PV systems up to 1,500 V DC. Optionally available with Type 1+2 combined SPD.
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View QFire LITE
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DC Connection Technology<\/h2>\n\n\n\n
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\"GAK<\/span>
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Custom PV Combiner Boxes<\/h3>\n\n\n
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\"GAK<\/figure>\n<\/div>\n\n\n

Project-specific PV combiner boxes with individually coordinated connection, protection and switching functions. Designed to match the respective MPPT and inverter structure. <\/p>\n\n\n\n

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View DC Connection Technology
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\"GAK<\/span>
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LITE DC-Combiner \u2013 Standard PV Combiner Solutions<\/h3>\n\n\n
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\"GAK<\/figure>\n<\/div>\n\n\n

Preconfigured PV combiner boxes for 1 to 3 MPP trackers. Compact solutions with clearly defined connection and protection functions. Standard PV combiner solution.
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View Q3 SurgeBox \u2192<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
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\"Super<\/span>
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Super Multi Box \u2013
Intelligent DC Combiner<\/h3>\n\n\n
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\"Super<\/figure>\n<\/div>\n\n\n

Intelligent DC combiner with individual string current measurement, string monitoring and selective fault isolation. For agri-PV and large-scale PV systems with central inverters. <\/p>\n\n\n\n

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View DC Combiner
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AC & Grid Technology<\/h2>\n\n\n\n
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\"AC<\/span>
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Custom AC Connection
Boxes<\/h3>\n\n\n
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\"AC<\/figure>\n<\/div>\n\n\n

AC connection boxes for inverters, points of connection and grid connections. Project-specific design for different grid configurations and currents up to 630 A. <\/p>\n\n\n\n

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View AC Connection Technology
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Q3 SurgeBox TN-S Compact \u2013 AC Surge Protection Box<\/h3>\n\n\n
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\"Q3<\/figure>\n<\/div>\n\n\n

Ready-to-connect surge protection box from Q3 for TN-S systems with Type 1+2+3 combined SPD. For PV AC connection, EV charging, heat pumps and building services.
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View Q3 SurgeBox \u2192<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
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\"Die<\/span>
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Q3 Transformer Station Monitoring<\/h3>\n\n\n
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\"The<\/figure>\n<\/div>\n\n\n

Retrofittable measurement and communication box for transformer stations. Captures grid and system data for central monitoring.
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View Q3 Transformer Box
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Q3. The Box Makers. <\/p>\n\n\n\n

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Energy Storage<\/h2>\n\n\n\n
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\"Heimspeicher<\/span>
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AlphaESS Energy Storage Solutions for Residential, Commercial and Industrial Applications<\/h2>\n\n\n
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\"Home<\/figure>\n<\/div>\n\n\n
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AlphaESS energy storage systems ranging from residential storage to commercial and large-scale systems. For B2B projects with technical planning and project support from Q3 ENERGIE<\/em>. <\/p>\n\n\n\n

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Go to Alpha ESS Storage Systems \u2192<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
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Looking for the Right Solution for Your Project?<\/h2>\n\n\n\n

Choose a PV product or send us your technical project inquiry directly. We support you with standard solutions as well as custom connection boxes and project-specific designs. <\/p>\n<\/div>\n<\/div>\n\n\n\n

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Submit Project Inquiry \u2192<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Explore Technical Areas \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
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Standardized and Project-Specific Designs<\/strong><\/h3>\n<\/div>\n\n\n\n


PV products and standard solutions for typical applications, as well as custom-engineered connection technology for differing electrical, regulatory or structural requirements.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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Design, Engineering, and Manufacturing in Germany<\/strong><\/h3>\n<\/div>\n\n\n\n


Planning, electrical design, component assembly and manufacturing at our Kaufbeuren site \u2013 with short communication lines and high configuration flexibility for PV products.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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Technically Structured<\/strong>
Inquiry Processes<\/strong><\/h3>\n<\/div>\n\n\n\n


Product-specific inquiry forms capture all relevant electrical and project parameters as the basis for fast and reliable preparation of your PV project quotation.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n

<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Firefighter Switches & Generator Disconnection DC Connection Technology AC & Grid Technology Q3. The Box Makers. Energy Storage<\/p>\n","protected":false},"author":1,"featured_media":7285,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"on","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"on","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-7284","page","type-page","status-publish","has-post-thumbnail","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/pages\/7284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/types\/page"}],"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=7284"}],"version-history":[{"count":13,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/pages\/7284\/revisions"}],"predecessor-version":[{"id":10427,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/pages\/7284\/revisions\/10427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/media\/7285"}],"wp:attachment":[{"href":"https:\/\/q3-energie.de\/en\/wp-json\/wp\/v2\/media?parent=7284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}