{"product_id":"contatore-energia-trifase-goodwe-gm330","title":"GoodWe GM330 three-phase smart meter for self-consumption and export limitation","description":"\u003cstyle\u003e.lk{font-size:16px;line-height:1.7;color:#0e1b4d;max-width:920px}.lk h2{font-size:26px;line-height:1.3;margin:6px 0 14px;color:#0e1b4d;font-weight:700}.lk p{font-size:16px;line-height:1.7;margin:0 0 15px}.lk h3{font-size:20px;line-height:1.35;margin:28px 0 12px;color:#0e1b4d;font-weight:700;border-left:5px solid #73aa02;padding-left:12px}.lk .cs{display:flex;flex-wrap:wrap;gap:14px;margin:0 0 20px}.lk .c{flex:1 1 250px;min-width:240px;padding:15px 17px;border:1px solid #d7e0ea;border-top:4px solid #73aa02;border-radius:6px;background:#fff}.lk .c b{display:block;font-size:16px;color:#0e1b4d;margin-bottom:6px}.lk .c span{font-size:15px;line-height:1.6;color:#3b4557}.lk .tw{overflow-x:auto;margin:0 0 18px}.lk table{width:100%;border-collapse:collapse;border:1px solid #d7e0ea}.lk th{text-align:left;padding:11px 14px;font-size:15px;background:#0e1b4d;color:#fff}.lk td{padding:10px 14px;border-bottom:1px solid #d7e0ea;font-size:15px}.lk td:first-child{font-weight:600;color:#0e1b4d;width:46%}.lk tr:nth-child(even) td{background:#f7fafc}.lk a.d{display:flex;align-items:center;gap:14px;padding:13px 16px;border:1px solid #d7e0ea;border-radius:6px;background:#fff;text-decoration:none;color:#0e1b4d;margin:0 0 10px}.lk a.d i{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:6px;background:#73aa02;color:#fff;font-size:14px;font-weight:700;font-style:normal}.lk a.d span{font-size:16px;font-weight:600;line-height:1.4}.lk a.d small{display:block;font-size:14px;font-weight:400;color:#5a6b7a}.lk .bd{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}.lk .b{display:inline-block;padding:7px 13px;border-radius:999px;background:#0e1b4d;color:#fff;font-size:14px;font-weight:600}.lk .b.g{background:#73aa02}\u003c\/style\u003e\u003cdiv class=\"litio-keno lk\"\u003e \u003cdiv class=\"litio-iva-notice\" style=\"margin:0 0 18px;padding:12px 16px;border-left:4px solid #73aa02;border-radius:4px;background:#f4f7fb;color:#0e1b4d;font-size:16px;line-height:1.6;\"\u003e\u003cspan\u003ePrices include \u003cstrong\u003e22% Italian VAT\u003c\/strong\u003e; the \u003cstrong\u003ereduced 10% rate\u003c\/strong\u003e covers only goods for photovoltaic and storage systems, with a customer declaration. \u003cstrong\u003eFrom abroad\u003c\/strong\u003e: choose 22% VAT, or for \u003cstrong\u003e0% VAT\u003c\/strong\u003e place the order by bank transfer without paying and we send you a proforma invoice.\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"\/en\/pages\/iva-acquisti-aziendali\" style=\"display:inline-block;margin-top:10px;padding:9px 16px;border-radius:6px;background:#73aa02;color:#fff;font-size:15px;font-weight:700;text-decoration:none;\"\u003eHow VAT works \u0026rsaquo;\u003c\/a\u003e\u003c\/div\u003e \u003cdiv class=\"bd\"\u003e \u003cspan class=\"b g\"\u003eDelivery in 10-20 days\u003c\/span\u003e\u003cspan class=\"b\"\u003eClass 0.5\u003c\/span\u003e\u003cspan class=\"b\"\u003eRS485 up to 1000 m\u003c\/span\u003e\u003cspan class=\"b\"\u003e4 DIN modules\u003c\/span\u003e\u003cspan class=\"b\"\u003eExternal CTs\u003c\/span\u003e\u003cspan class=\"b\"\u003eGoodWe\u003c\/span\u003e \u003c\/div\u003e \u003ch2\u003eGoodWe GM330 three-phase smart meter for self-consumption and export limitation\u003c\/h2\u003e \u003cp\u003eThe \u003cstrong\u003eGM330\u003c\/strong\u003e is the meter that tells a GoodWe inverter how much energy the home or business is actually consuming and how much is going to the grid. Without that measurement the inverter can neither do intelligent self-consumption nor respect an export limit: it works blind.\u003c\/p\u003e\u003cp\u003eIt mounts on a \u003cstrong\u003eDIN rail\u003c\/strong\u003e taking \u003cstrong\u003e4 modules\u003c\/strong\u003e, reads single and three-phase networks (\u003cstrong\u003e1P2W, 3P3W, 3P4W\u003c\/strong\u003e) from 100 to 472 V and talks to the inverter over \u003cstrong\u003eRS485\u003c\/strong\u003e at up to 1000 metres, which lets it sit in the main board even when the inverter is elsewhere. Declared accuracy is \u003cstrong\u003eclass 0.5\u003c\/strong\u003e on voltage, current and active energy.\u003c\/p\u003e\u003cp\u003eImportant: the GM330 works with \u003cstrong\u003eexternal current transformers\u003c\/strong\u003e, which are not included. That is exactly what makes it suitable for commercial and industrial sizes, where currents are too high for a meter with built-in CTs: you pick the CT that matches your current, with a 5 A secondary, and set the ratio in the software.\u003c\/p\u003e\u003ch3\u003eKey strengths\u003c\/h3\u003e \u003cdiv class=\"cs\"\u003e \u003cdiv class=\"c\"\u003e \u003cb\u003eClass 0.5\u003c\/b\u003e\u003cspan\u003eAccuracy 0.5 on voltage, current and active energy.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eSingle and three-phase\u003c\/b\u003e\u003cspan\u003eWorks on 1P2W, 3P3W and 3P4W networks from 100 to 472 V.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eRS485 up to 1000 m\u003c\/b\u003e\u003cspan\u003eCan sit in the main board far from the inverter.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eCTs of your choice\u003c\/b\u003e\u003cspan\u003eSized on the real current of the plant, industrial included.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003e4 DIN modules\u003c\/b\u003e\u003cspan\u003eTakes little room, standard rail mounting.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eExport limitation\u003c\/b\u003e\u003cspan\u003eEnables self-consumption and export limiting or zero export.\u003c\/span\u003e \u003c\/div\u003e \u003c\/div\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e \u003cdiv class=\"tw\"\u003e\u003ctable\u003e \u003cthead\u003e\u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eValue\u003c\/th\u003e \u003c\/tr\u003e\u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eManufacturer\u003c\/td\u003e \u003ctd\u003eGoodWe\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eProduct code\u003c\/td\u003e \u003ctd\u003eGM330\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eType\u003c\/td\u003e \u003ctd\u003eThree-phase energy meter with external current transformers\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eGrid type\u003c\/td\u003e \u003ctd\u003e1P2W \/ 3P3W \/ 3P4W\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003ePower supply\u003c\/td\u003e \u003ctd\u003e100 ~ 472 V (3P4W L-N, 3P3W L-L), 50\/60 Hz\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003ePower consumption\u003c\/td\u003e \u003ctd\u003e\u003c 5 W\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eRated current\u003c\/td\u003e \u003ctd\u003e5 A at the CT secondary (ratio nA : 5 A)\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eCurrent transformers\u003c\/td\u003e \u003ctd\u003eExternal, not included. 5 A secondary, class 0.5 recommended\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eAccuracy class\u003c\/td\u003e \u003ctd\u003e0.5 on voltage, current and active energy; 1 on reactive energy\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eProtocol\u003c\/td\u003e \u003ctd\u003eRS485, maximum distance 1000 m, conductor 0.38-1.3 mm2\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eProtection rating\u003c\/td\u003e \u003ctd\u003eIP20\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eOperating temperature\u003c\/td\u003e \u003ctd\u003e-30 ~ +70 °C\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eDIN modules\u003c\/td\u003e \u003ctd\u003e4 modules, DIN rail\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eDimensions (W x D x H)\u003c\/td\u003e \u003ctd\u003e72 x 85 x 72 mm\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eWeight\u003c\/td\u003e \u003ctd\u003e0,24 kg\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003c\/div\u003e \u003ch3\u003eDocumentation\u003c\/h3\u003e \u003ca class=\"d\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2510\/0896\/files\/GoodWe-GM330-Datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003ci\u003ePDF\u003c\/i\u003e\u003cspan\u003eDatasheet\u003csmall\u003eTechnical data of the product — GM330\u003c\/small\u003e\u003c\/span\u003e\u003c\/a\u003e \u003cp style=\"font-size:16px;\"\u003eThe current transformers are not included: order them separately, with a 5 A secondary and accuracy class 0.5. A class 1 or worse CT degrades the accuracy of self-consumption and export limiting. The CT ratio must then be set in the SolarGo app.\u003c\/p\u003e \u003c\/div\u003e","brand":"GoodWe","offers":[{"title":"IVA 10%","offer_id":55149162398033,"sku":"GM330-IVA10","price":85.65,"currency_code":"EUR","in_stock":true},{"title":"IVA 22%","offer_id":55149162430801,"sku":"GM330-IVA22","price":94.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2510\/0896\/files\/contatore-energia-trifase-goodwe-gm330.jpg?v=1790885140","url":"https:\/\/litio.store\/en\/products\/contatore-energia-trifase-goodwe-gm330","provider":"litio.store","version":"1.0","type":"link"}