{"product_id":"abb-1mrb150072r3-a-signal-processing-board","title":"ABB 1MRB150072R3\/A Signal Processing Board","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB 1MRB150072R3\/A (identified by board code EHBC150073R52) is a highly reliable signal processing board engineered specifically for ABB’s large-scale industrial excitation systems, such as the UNITROL and MEGATROL series. This board acts as a critical control sub-component that continuously regulates terminal voltage and reactive power in synchronous machines. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number Designation\u003c\/strong\u003e: 1MRB150072R3\/A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrinted Circuit Board Code\u003c\/strong\u003e: EHBC150073R52\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Signal Processing and Regulation Board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e: ABB UNITROL series or MEGATROL static excitation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Control Voltage\u003c\/strong\u003e: 24 V DC to 48 V DC (System configuration dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Interface Capabilities\u003c\/strong\u003e: Multi-channel Analog and Digital I\/O featuring integrated high-speed fiber-optic linkages or RS-485 serial communication options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Hardware Format\u003c\/strong\u003e: Standardized Eurocard plug-in PCB for 19-inch rack-mounted subrack chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCooling Infrastructure\u003c\/strong\u003e: Passive convection cooling utilizing the host enclosure's forced-air ventilation system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Ambient Temperature\u003c\/strong\u003e: -10°C to +55°C (14°F to 131°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e: 100 mm x 160 mm x 160 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 2.4 kg (Heavy-duty components and heat-sinking infrastructure)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB 1MRB150072R3\/A is utilized inside power generation plants, heavy grid infrastructure installations, and large-scale industrial sub-stations where synchronous machinery must interface stably with the electrical grid.\u003c\/p\u003e\n\u003cp\u003ePrimary field use cases include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Generation Facilities\u003c\/strong\u003e: Managing field excitation currents in steam, gas, and hydro generators to track fluctuating grid voltage demands and protect against over-excitation or under-excitation failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy Manufacturing Equipment\u003c\/strong\u003e: Controlling massive synchronous motors used in industrial mining mills, cement kilns, and large air compressors where high starting torque and precise power factor control are mandatory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrid Stabilization Systems\u003c\/strong\u003e: Functioning inside static synchronous compensator (STATCOM) setups to modulate reactive power lines, smooth out grid voltage sags, and correct power factors on heavy industrial feeders.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47401125445822,"sku":"1MRB150072R3\/A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-20_15-27-33.png?v=1779268264","url":"https:\/\/www.autooiltech.com\/products\/abb-1mrb150072r3-a-signal-processing-board","provider":"AutoOilTech Limited","version":"1.0","type":"link"}