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Question<\/strong><\/p>\n\n\n\n<\/div>\n<\/div>\n\n\n\n
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Recommendation<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n\n
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Do you already have a Shelly Plus relay on site?<\/p>\n<\/div>\n\n\n\n
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Plus Addon<\/strong><\/summary>\nExplanation:<\/strong> Utilises the power and WLAN of the existing Shelly. Saves an extra power supply unit, space and an additional IP address in the network.<\/p>\n\n\n\n<\/p>\n<\/details>\n<\/div>\n<\/div>\n\n\n\n
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Do you need to switch a 230V load (e.g. radiant heater)?<\/p>\n\n\n\n
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Plus Addon<\/strong><\/summary>\nExplanation:<\/strong> Only the add-on can safely switch large loads via the host relay. It also offers an electrically isolated sensor interface.<\/p>\n<\/details>\n<\/div>\n<\/div>\n\n\n\n\n
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Do you work with 12V DC or 24V AC?<\/p>\n<\/div>\n\n\n\n
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Plus Uni<\/strong><\/summary>\nExplanation:<\/strong> The Uni is designed for low voltage (e.g. bell transformer). It is extremely flexible and fault-tolerant thanks to its wide voltage range of 9-28V DC.<\/p>\n<\/details>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\n
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Do you need to record two separate signals (e.g. 2 contacts)?<\/p>\n<\/div>\n\n\n\n
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Plus Uni<\/strong><\/summary>\nExplanation:<\/strong> While the add-on only has one digital input, the Uni has two. Ideal for monitoring two contacts simultaneously with just one device.<\/p>\n<\/details>\n<\/div>\n<\/div>\n\n\n\n<\/div>\n\n\n\n
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Do you have extremely little space (e.g. behind a circuit board)?<\/p>\n<\/div>\n\n\n\n
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Plus Uni<\/strong><\/summary>\nExplanation:<\/strong> Kleiner als eine halbe Kreditkarte und ohne festes Geh\u00e4use. Er passt in kleine Geh\u00e4use, wo ein Shelly mit Addon zu tief w\u00e4re.<\/p>\n<\/details>\n<\/div>\n<\/div>\n\n\n\n<\/p>","protected":false},"excerpt":{"rendered":"
Vergleich Shelly Plus Addon mit Shelly Plus Uni Das Shelly Plus Addon und das Shelly Plus Uni dienen beide der Integration externer Sensoren in das Shelly-System. Ein Vergleich dieser L\u00f6sungen ist immer dann sinnvoll, wenn die Eing\u00e4nge des prim\u00e4ren Host-Ger\u00e4ts f\u00fcr die Erfassung der Sensordaten nicht ausreichen. Dabei l\u00e4sst sich die Funktionalit\u00e4t entweder direkt \u00fcber […]<\/p>\n","protected":false},"author":12,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-257","page","type-page","status-publish","hentry","category-emh_projekt"],"_links":{"self":[{"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/pages\/257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/comments?post=257"}],"version-history":[{"count":48,"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/pages\/257\/revisions"}],"predecessor-version":[{"id":1203,"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/pages\/257\/revisions\/1203"}],"wp:attachment":[{"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/media?parent=257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/categories?post=257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gh.bs-kronach.de\/en\/wp-json\/wp\/v2\/tags?post=257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/gh.bs-kronach.de\/wp-content\/uploads\/2026\/03\/Plus_Addon_1.png\")
<\/td>![\"\"](\"https:\/\/gh.bs-kronach.de\/wp-content\/uploads\/2026\/03\/UNI.png\")
<\/td><\/tr>![\"\"](\"https:\/\/gh.bs-kronach.de\/wp-content\/uploads\/2026\/03\/Plus_Addon_2.png\")
<\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n