{"product_id":"mastervolt-dc-master-48-12-20-convertisseur-dc-dc","title":"Mastervolt DC Master 48\/12-20 DC-DC Converter","description":"\u003cp\u003eThe \u003cstrong\u003eMastervolt DC Master 48\/12-20\u003c\/strong\u003e is a non-isolated DC-DC converter designed to convert an input voltage of 48V into a stabilized output voltage of 13.6V, with a continuous current of 20A and a nominal power of 272W. It reliably powers 12V equipment (lighting, autopilots, electronic devices) from a 48V battery bank, a common configuration on cruising sailboats and electric-powered boats.\u003c\/p\u003e\n\n\u003ch3\u003ePosition in the DC Master range\u003c\/h3\u003e\n\u003cp\u003eThis model sits at the top of the 48V non-isolated series, offering the highest output current (20A continuous, 24A peak) compared to the 48\/12-6A (81400600) and 48\/12-9A (81400700) models. With dimensions of 217x87x50 mm and a weight of 765g, it is the largest in the 48V series but remains very compact for its power. Unlike the isolated models in the range (815 series), this converter does not provide galvanic isolation between input and output, making it suitable for installations where the negative ground is common. Its power is ideal for applications requiring stable and sustained 12V power, such as powering control panels, pumps, or navigation systems.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical performance and robustness\u003c\/h3\u003e\n\u003cp\u003eThe DC Master 48\/12-20 has a nominal output voltage of 13.6V, perfectly suited for powering and maintaining 12V batteries or direct consumers. Its electronic stabilization ensures a constant output voltage, even in the event of input voltage variations (nominal operating range of 40 to 62V). Its standby consumption is less than 100 mA, a benefit for installations focused on energy efficiency. With an IP53 protection rating, it resists water splashes and dust, making it suitable for installation in damp technical compartments, provided it is placed in a cool, dry, and ventilated location (operating temperature from 0 to 30°C with progressive derating up to 80°C).\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and pack contents\u003c\/h3\u003e\n\u003cp\u003eThe DC Master's design simplifies integration. It comes complete with a mounting bracket, screws, and Faston connectors for simple and quick wiring. Installation, as described in the technical manual, involves securing the bracket, clipping the device in place, and then connecting the input wires before the output wires. It is essential to include a fuse on the positive cable near the battery, as with any marine electrical equipment. This converter is CE and E-mark certified (e11 020894, e13 023114), ensuring compliance with current standards.\u003c\/p\u003e\n\n\u003ch3\u003eComparison and applications\u003c\/h3\u003e\n\u003cp\u003eCompared to a model like the DC Master 24\/12-50A (non-isolated, 50A, 24V), the 48\/12-20A specifically meets the needs of 48V systems, increasingly common on large sailboats or hybrid boats. Unlike AC\/DC chargers such as the Mastervolt Chargemaster, this converter does not charge from the mains but instead converts existing DC voltage. It is the ideal solution for boats equipped with a 48V engine or propulsion system that need to power standard 12V equipment without running new 48V wiring for each device.\u003c\/p\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":53723868234068,"sku":"81400800","price":333.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main-square_aa4dbd3b-5f04-451d-b17e-a84756c7ec8f.jpg?v=1778084140","url":"https:\/\/skysat.fr\/en\/products\/mastervolt-dc-master-48-12-20-dc-dc-converter","provider":"Skysat","version":"1.0","type":"link"}