{"product_id":"sezionatore-antincendio-onccy-ers40-10-mc4-5-stringhe","title":"ONCCY ERS40-10-MC4 firefighter safety disconnect for 5 strings","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\"\u003e5 strings\u003c\/span\u003e\u003cspan class=\"b\"\u003e300-1500 V DC\u003c\/span\u003e\u003cspan class=\"b\"\u003eIP65\u003c\/span\u003e\u003cspan class=\"b\"\u003eWarranty 5 years\u003c\/span\u003e\u003cspan class=\"b\"\u003eONCCY\u003c\/span\u003e \u003c\/div\u003e \u003ch2\u003eONCCY ERS40-10-MC4 firefighter safety disconnect for 5 strings\u003c\/h2\u003e \u003cp\u003eThe \u003cstrong\u003eERS40-10-MC4\u003c\/strong\u003e disconnect opens the DC circuit of \u003cstrong\u003e5 photovoltaic strings\u003c\/strong\u003e whenever the roof has to be made safe: in a fire, during a fire brigade intervention or for maintenance.\u003c\/p\u003e\u003cp\u003eOperation is \u003cstrong\u003emotorised\u003c\/strong\u003e and driven by the presence of the AC mains voltage: if the grid drops, the device uses the energy stored in its capacitors to open the poles anyway. The enclosure is rated \u003cstrong\u003eIP65\u003c\/strong\u003e and installs outdoors close to the modules, with \u003cstrong\u003eMC4 connectors\u003c\/strong\u003e on the input and output.\u003c\/p\u003e\u003ch3\u003eKey strengths\u003c\/h3\u003e \u003cdiv class=\"cs\"\u003e \u003cdiv class=\"c\"\u003e \u003cb\u003eAutomatic release from the grid\u003c\/b\u003e\u003cspan\u003eThe control voltage disappears and the DC array opens by itself.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eCapacitor back-up\u003c\/b\u003e\u003cspan\u003eThe energy for the operation is stored on board: it works even if the grid drops.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eMotorised operation\u003c\/b\u003e\u003cspan\u003eOpening and closing with no manual action on the roof.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eIP65\u003c\/b\u003e\u003cspan\u003eSealed enclosure suitable for outdoor mounting, close to the modules.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003eMC4 connectors\u003c\/b\u003e\u003cspan\u003eIt goes between the strings and the inverter with no special wiring.\u003c\/span\u003e \u003c\/div\u003e\u003cdiv class=\"c\"\u003e \u003cb\u003e5-year warranty\u003c\/b\u003e\u003cspan\u003eManufacturer's cover on the device.\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\u003eERS40-10-MC4\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eManufacturer\u003c\/td\u003e \u003ctd\u003eONCCY\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eType\u003c\/td\u003e \u003ctd\u003eMotorised firefighter safety disconnect for the PV array\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eStrings supported\u003c\/td\u003e \u003ctd\u003e5 strings\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003ePoles\u003c\/td\u003e \u003ctd\u003e10\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eDC circuit voltage\u003c\/td\u003e \u003ctd\u003e300 ~ 1500 V CC\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eDC circuit current\u003c\/td\u003e \u003ctd\u003eUp to 55 A (supplier data)\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eControl supply\u003c\/td\u003e \u003ctd\u003e100 ~ 270 V AC, nominal 220 ~ 240 V \/ 50 Hz\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003ePower consumption\u003c\/td\u003e \u003ctd\u003e1 W with contacts closed\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eConnectors\u003c\/td\u003e \u003ctd\u003eMC4\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eOperating temperature\u003c\/td\u003e \u003ctd\u003e-20 ~ 50 °C\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eMaximum disconnection temperature\u003c\/td\u003e \u003ctd\u003e70 °C\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eProtection rating\u003c\/td\u003e \u003ctd\u003eIP65\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eDimensions (W x D x H)\u003c\/td\u003e \u003ctd\u003e370 x 88 x 203 mm\u003c\/td\u003e \u003c\/tr\u003e\u003ctr\u003e \u003ctd\u003eWarranty\u003c\/td\u003e \u003ctd\u003e5 years\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003c\/div\u003e \u003cp style=\"font-size:16px;\"\u003eThe disconnect must be supplied from the same AC line you want to use as the trip command: when that line is removed, the PV array opens.\u003c\/p\u003e \u003c\/div\u003e","brand":"ONCCY","offers":[{"title":"IVA 10%","offer_id":55136928268625,"sku":"ERS40-10-MC4-IVA10","price":242.44,"currency_code":"EUR","in_stock":true},{"title":"IVA 22%","offer_id":55136928301393,"sku":"ERS40-10-MC4-IVA22","price":268.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2510\/0896\/files\/sezionatore-antincendio-onccy-ers40-10-mc4.jpg?v=1790810655","url":"https:\/\/litio.store\/en\/products\/sezionatore-antincendio-onccy-ers40-10-mc4-5-stringhe","provider":"litio.store","version":"1.0","type":"link"}