{"product_id":"contatore-trifase-huawei-dtsu666-hw-smart-power-sensor-80-a-con-3-ta-apribili","title":"Huawei DTSU666-HW Three-Phase Energy Meter Smart Power Sensor 80 A with 3 Split-Core CTs","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:13px;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 15px;border-left:4px solid #73aa02;border-radius:4px;background:#f4f7fb;color:#0e1b4d;font-size:14px;line-height:1.5;\"\u003e\u003cstrong style=\"font-weight:bold;color:#0e1b4d;\"\u003eVAT note\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBusinesses and non-Italian private customers: purchase with 22% VAT. The 10% rate is reserved for private customers resident in Italy \u0026mdash; \u003ca href=\"\/en\/pages\/iva-acquisti-aziendali\" style=\"color:#0e1b4d;text-decoration:underline;\"\u003efind out more\u003c\/a\u003e.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eForeign companies entitled to 0% VAT: please write to \u003ca href=\"mailto:info@litio.store\" style=\"color:#0e1b4d;text-decoration:underline;\"\u003einfo@litio.store\u003c\/a\u003e.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv class=\"bd\"\u003e\u003cspan class=\"b g\"\u003eDelivery in 10-20 days\u003c\/span\u003e\u003cspan class=\"b\"\u003eMetering \u0026 sensors\u003c\/span\u003e\u003cspan class=\"b\"\u003eAC side\u003c\/span\u003e\u003cspan class=\"b\"\u003eHuawei\u003c\/span\u003e\u003c\/div\u003e\u003ch2\u003eHuawei DTSU666-HW Three-Phase Energy Meter Smart Power Sensor 80 A with 3 Split-Core CTs\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eHuawei DTSU666-HW\u003c\/strong\u003e is the \u003cstrong\u003ethree-phase Smart Power Sensor\u003c\/strong\u003e for photovoltaic and storage systems with Huawei SUN2000 inverters. It measures voltage, current, power and power factor on the three phases in real time and counts separately the energy drawn from the grid and the energy fed into it, a figure that is essential for self-consumption management.\u003c\/p\u003e\u003cp\u003eIt is installed on a \u003cstrong\u003e35 mm DIN rail\u003c\/strong\u003e between the utility meter (or the main protective devices) and the loads of the building, and it communicates with the inverter via \u003cstrong\u003eRS485 Modbus-RTU\u003c\/strong\u003e. It performs \u003cstrong\u003edirect measurement up to 80 A\u003c\/strong\u003e per phase; for higher currents, \u003cstrong\u003eexternal current transformers with a 1 A or 5 A secondary\u003c\/strong\u003e are used. In the standard supply configurations it is combined with three YDS60-80 split-core CTs.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cdiv class=\"cs\"\u003e\u003cdiv class=\"c\"\u003e\u003cb\u003eDirect measurement up to 80 A\u003c\/b\u003e\u003cspan\u003eCovers most three-phase installations without CTs; for higher currents, external current transformers are used.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv class=\"c\"\u003e\u003cb\u003eInput for external CTs\u003c\/b\u003e\u003cspan\u003eSecondary channel compatible with current transformers having a 1 A or 5 A secondary, to extend the range on commercial installations.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv class=\"c\"\u003e\u003cb\u003eSplit-core CTs included\u003c\/b\u003e\u003cspan\u003eThe typical supply includes three YDS60-80 split-core current transformers with cable, which can be fitted without cutting the conductors.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv class=\"c\"\u003e\u003cb\u003eAccuracy class 1\u003c\/b\u003e\u003cspan\u003eVoltage ±0.5 %, current and power ±1 %, frequency ±0.01 Hz.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv class=\"c\"\u003e\u003cb\u003e3P3W and 3P4W networks\u003c\/b\u003e\u003cspan\u003eWorks on three-phase networks with and without neutral, with line-to-line voltage up to 499 V AC.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv class=\"c\"\u003e\u003cb\u003eRS485 Modbus-RTU\u003c\/b\u003e\u003cspan\u003eConnection to Huawei SUN2000 inverters with the supplied RS485 cable; own consumption below 1.5 W.\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\u003eProduct code\u003c\/td\u003e\u003ctd\u003eDTSU666-HW\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eModel\u003c\/td\u003e\u003ctd\u003eDTSU666-HW\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003ePhases\u003c\/td\u003e\u003ctd\u003eThree-phase (3P3W \/ 3P4W)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eRated voltage\u003c\/td\u003e\u003ctd\u003e230 V ac \/ 400 V ac; range 90 – 499 V ac (line-to-line voltage)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eNominal current\u003c\/td\u003e\u003ctd\u003eDirect measurement up to 80 A per phase\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eMeasurement type\u003c\/td\u003e\u003ctd\u003eDirect up to 80 A; indirect above 80 A with external CTs (1 A or 5 A secondary)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eCurrent transformers\u003c\/td\u003e\u003ctd\u003e3 split-core CTs YDS60-80 with cable (standard supply)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eAccuracy class\u003c\/td\u003e\u003ctd\u003eClass 1; voltage ±0.5 %, current and power ±1 %, frequency ±0.01 Hz\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eCommunication\u003c\/td\u003e\u003ctd\u003eRS485, Modbus-RTU protocol (10 m RS485 cable included)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eDisplay\u003c\/td\u003e\u003ctd\u003eLCD\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eOwn power consumption\u003c\/td\u003e\u003ctd\u003e\u0026lt; 1,5 W\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eMounting\u003c\/td\u003e\u003ctd\u003e35 mm DIN rail\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eOperating temperature\u003c\/td\u003e\u003ctd\u003e−25 °C … +60 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eProtection rating\u003c\/td\u003e\u003ctd\u003eNot stated by the manufacturer\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eDimensions\u003c\/td\u003e\u003ctd\u003e72 × 100 × 80 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eWeight\u003c\/td\u003e\u003ctd\u003e0.5 kg\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:16px;\"\u003eInstallation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.\u003c\/p\u003e\u003c\/div\u003e","brand":"Huawei","offers":[{"title":"IVA 10%","offer_id":55015107985745,"sku":"DTSU666-HW-IVA10","price":273.68,"currency_code":"EUR","in_stock":true},{"title":"IVA 22%","offer_id":55015108018513,"sku":"DTSU666-HW-IVA22","price":303.54,"currency_code":"EUR","in_stock":true}],"url":"https:\/\/litio.store\/en\/products\/contatore-trifase-huawei-dtsu666-hw-smart-power-sensor-80-a-con-3-ta-apribili","provider":"litio.store","version":"1.0","type":"link"}