{"product_id":"eg4-flexboss21-inverter-v-1-1-eg4-gridboss-mid-v3-1-bndl-e0019-3-1","title":"EG4 FlexBOSS21 Inverter V.1.1 \u0026 EG4-GridBOSS MID V3.1","description":"\u003cp\u003eThe \u003cstrong\u003eEG4 FlexBOSS21 V1.1\u003c\/strong\u003e paired with the \u003cstrong\u003eGridBOSS MID V3.1\u003c\/strong\u003e — \u003cstrong\u003e21kW of PV input\u003c\/strong\u003e and enough starting torque to bring a \u003cstrong\u003e5-ton air conditioner\u003c\/strong\u003e online without a soft starter.\u003c\/p\u003e\u003ch2\u003eThe 5-Ton Claim Is The Specification That Matters\u003c\/h2\u003e\u003cp\u003eA 5-ton compressor draws locked-rotor current several times its running amperage at startup. Most residential hybrid inverters cannot supply it, which is why so many backup systems require a soft start kit or simply leave the AC off the backed-up panel. The FlexBOSS21 starts it directly. For a large home in a hot climate, that single capability decides whether backup means comfort or just a working refrigerator.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFlexBOSS21: up to 21kW PV input · 48V split phase\u003c\/li\u003e\n\u003cli\u003eGridBOSS MID V3.1: consolidated interconnection, transfer and load control\u003c\/li\u003e\n\u003cli\u003eFour configurable smart ports with programmable load management\u003c\/li\u003e\n\u003cli\u003eBuilt-in Wi-Fi with EG4 monitoring, mobile notifications and remote settings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe V3.1 Wiring Change\u003c\/h2\u003e\u003cp\u003eRead this before your electrician buys wire. GridBOSS V3.1 permits properly sized aluminum conductor, but only on lug connections and only with Eaton breakers — which may now be used in both the Smart and Hybrid ports. If you use the BSB breakers supplied with the equipment, or buy more of them, copper is still required. Getting this wrong means re-pulling conductor after an inspection failure.\u003c\/p\u003e\u003ch2\u003eWhy 21kW Of PV\u003c\/h2\u003e\u003cp\u003eTwenty-one kilowatts of array is a large residential system — roughly 45 to 50 modern modules. This inverter is sized for a house that is trying to offset most of its consumption, not just carry it through outages. If your roof supports 8kW, this is more inverter than the array can justify.\u003c\/p\u003e\u003ch2\u003eScaling\u003c\/h2\u003e\u003cp\u003eGridBOSS supports up to three hybrid inverters, so a second FlexBOSS21 is an addition rather than a rebuild. Urban Supply is an authorized EG4 dealer.\u003c\/p\u003e","brand":"EG4 Electronics","offers":[{"title":"Default Title","offer_id":48222434492581,"sku":"BNDL-E0019-3.1","price":5469.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0454\/1916\/7909\/files\/FlexGrid_Bundle_2___54730__87710.1754333578_54f1f9ce-d801-402a-a970-c00e619d75da.jpg?v=1788729589","url":"https:\/\/www.urbansupplyinc.com\/products\/eg4-flexboss21-inverter-v-1-1-eg4-gridboss-mid-v3-1-bndl-e0019-3-1","provider":"Urban Supply Incorporated","version":"1.0","type":"link"}