{"product_id":"jam60d-42-540-lb-tslc-bf-dmg","title":"JA Solar 540W N-type TOPCon MBB Traceable Low Carbon Double Glass Bifacial 60 Cell Black Frame MC4 Solar Panel - Grade B","description":"\u003cp\u003e\u003cstrong\u003eThe JA Solar N-type TOPCon MBB Traceable Low Carbon Double Glass Bifacial 60 Cell Black Frame MC4, rated 540 W, is offered here as Grade B stock\u003c\/strong\u003e — a solar panel built on N-type TOPCon cells. TOPCon cells add a passivated contact layer behind the silicon, cutting the recombination losses that limit older PERC modules.\u003c\/p\u003e\n\u003ch3\u003eWhat Grade B means\u003c\/h3\u003e\u003cp\u003eGrade B panels are electrically sound modules that carry minor cosmetic marks — scratches, blemishes or small dents to the frame or glass — picked up in transit or handling. They are sold at a discount to the same module in A-grade condition, which makes them worth considering for outbuildings, workshops, barns, ground mounts, off-grid systems and any array where cost per watt matters more than appearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease read before ordering.\u003c\/strong\u003e All Grade B Item sales are final and sold as seen. Grade B items may have minor cosmetic imperfections (e.g., scratches, blemishes, dents, etc.) that do not affect functionality. ClearRay Solar makes no warranties of any kind, whether express or implied, respecting the performance, condition, suitability, merchantability, or any other quality of such items. Grade B Items are not eligible for returns, refunds, or exchange, and are exempt from the ClearRay Solar RMA policy. Product images are for illustrative purposes only and actual products may vary. Purchaser understands and agrees that assertion or enforcement of any manufacturer provided warranty is Purchaser’s sole responsibility.\u003c\/p\u003e\n\u003ch3\u003ePanel specification\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eN-type TOPCon cells\u003c\/li\u003e\n\u003cli\u003eMulti-busbar interconnection\u003c\/li\u003e\n\u003cli\u003eBifacial - the rear face generates from reflected light\u003c\/li\u003e\n\u003cli\u003eGlass-glass construction front and back\u003c\/li\u003e\n\u003cli\u003eBlack anodised frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManufacturer specification\u003c\/h3\u003e\u003cp\u003eThese are the manufacturer's published figures for this model in new, A-grade condition. Grade B units are sold as seen and carry no performance warranty from ClearRay Solar — see the notice above.\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (Pmax)\u003c\/td\u003e\n\u003ctd\u003e540 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule efficiency\u003c\/td\u003e\n\u003ctd\u003e23.1 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen-circuit voltage (Voc)\u003c\/td\u003e\n\u003ctd\u003e44.33 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage at maximum power (Vmp)\u003c\/td\u003e\n\u003ctd\u003e37.25 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-circuit current (Isc)\u003c\/td\u003e\n\u003ctd\u003e15.36 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent at maximum power (Imp)\u003c\/td\u003e\n\u003ctd\u003e14.50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell technology\u003c\/td\u003e\n\u003ctd\u003eN-type mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of cells\u003c\/td\u003e\n\u003ctd\u003e120 (6 × 20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003e2.0 mm \/ 2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd\u003e2,063 × 1,134 × 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e28.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJunction box\u003c\/td\u003e\n\u003ctd\u003eIP68, 3 bypass diodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eMC4-EVO2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum system voltage\u003c\/td\u003e\n\u003ctd\u003eDC 1500 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature coefficient of Pmax\u003c\/td\u003e\n\u003ctd\u003e−0.290 %\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAbout JA Solar\u003c\/h3\u003e\u003cp\u003eJA Solar is one of the highest-volume module manufacturers in the industry. Its Deep Blue 4.0 Pro platform uses n-type Bycium+ cells with 16-busbar half-cell interconnection, and carries IEC 61215, IEC 61730, UL 61215 and UL 61730 certification alongside ISO 9001, ISO 14001, ISO 45001 and IEC 62941.\u003c\/p\u003e\n\u003cp\u003eGrade B stock is limited to the quantity held and is not restocked. For availability or pallet pricing, contact our sales team at \u003ca href=\"mailto:sales@clearraysolar.com\"\u003esales@clearraysolar.com\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grade B","offers":[{"title":"Default Title","offer_id":58470382633292,"sku":"JAM60D-42-540-LB-TSLC-BF-DMG","price":33.97,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1048\/7742\/4972\/files\/no-image_6ac0bfb5-07c6-43db-9d10-bd745851e1f6.jpg?v=1787151432","url":"https:\/\/clearraysolar.com\/products\/jam60d-42-540-lb-tslc-bf-dmg","provider":"ClearRay Solar","version":"1.0","type":"link"}