{"product_id":"fuji-electric-bu90-2c","title":"Fuji Electric BU90-2C","description":"\u003cp\u003eThe Fuji Electric BU90-2C is an external dynamic braking unit (DBU) rated for 90 kW (125 HP) drive systems on 200V class supplies for use with Fuji Electric FRENIC-MEGA (G1) variable frequency drives. It supplements or replaces the drive's built-in braking transistor where regenerative braking energy exceeds the drive's internal capacity.\u003c\/p\u003e\u003cp\u003eWhen a VFD rapidly decelerates a high-inertia load, the motor becomes a generator and returns energy to the drive's DC bus, raising the bus voltage. The braking unit monitors DC bus voltage and, above a set threshold, switches the regenerative energy into an external braking resistor where it is dissipated as heat, preventing overvoltage faults and enabling fast, controlled deceleration. Typical applications include cranes, hoists, winders, centrifuges, and high-inertia fan and pump systems. Must be paired with a suitably rated external braking resistor (sold separately).\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal dynamic braking unit (chopper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMatched drive capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 kW (125 HP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200V class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible drives\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFuji Electric FRENIC-MEGA (G1) variable frequency drives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequired accessory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal braking resistor (separate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoutes regenerative DC bus energy to a braking resistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFuji Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Fuji Electric","offers":[{"title":"Default Title","offer_id":48128209813740,"sku":"BU90-2C","price":1594.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/fuji-electric-bu90-2c-246.jpg?v=1787267257","url":"https:\/\/www.industrialautomationco.com\/es-es\/products\/fuji-electric-bu90-2c","provider":"Industrial Automation Co.","version":"1.0","type":"link"}