{"product_id":"abb-kvc758a-3bhe021951r0124-high-frequency-power-supply-module","title":"ABB KVC758A 3BHE021951R0124 High-Frequency Power Supply Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ABB\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BHE021951R0124\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Type Designation:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKVC758A\u003c\/strong\u003e) is a highly specialized, microprocessor-controlled power supply module engineered for critical control and excitation systems. Driven by an onboard 32-bit processor and equipped with non-volatile FRAM memory, this compact board converts wide-range low-voltage DC inputs into a highly stabilized, nominal 220V operating rail via a 30 kHz high-frequency switching loop. \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\u003eModel Designation\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKVC758A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number \/ Ordering ID\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BHE021951R0124\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Classification\u003c\/strong\u003e: Intelligent Switching Power Supply Card\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOnboard Processor\u003c\/strong\u003e: High-performance 32-bit microprocessor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMemory Architecture\u003c\/strong\u003e: 512 kB Ferroelectric RAM (FRAM) for non-volatile configuration logging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Window\u003c\/strong\u003e: DC 9V to 36V wide-range input spectrum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Operating Voltage Output\u003c\/strong\u003e: 220 V DC regulated rail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSwitching\/Output Frequency\u003c\/strong\u003e: 30 kHz nominal high-frequency conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation Threshold\u003c\/strong\u003e: 1500 V DC circuit-to-circuit isolation barrier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Ambient Temperature\u003c\/strong\u003e: +5°C to +55°C continuous system environment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Thermal Constraints\u003c\/strong\u003e: –40°C to +70°C non-operational limits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Module Dimensions\u003c\/strong\u003e: Approximately 11.8 cm x 8.5 cm x 3.5 cm (Estimated shipping profile)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Hardware Mass\u003c\/strong\u003e: 0.2 kg (0.44 lbs) ultra-compact board layout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternational Tariff Code\u003c\/strong\u003e: 8537101190\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Sweden\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\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExcitation Control Panel Infeed\u003c\/strong\u003e: Provides stable, isolated control voltage to internal logic boards within high-power synchronous generator excitation units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Voltage Rectifier Regulation\u003c\/strong\u003e: Delivers precise switching power to gate-firing circuits, isolating low-voltage microprocessors from high-power electric currents.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSubstation Grid Telemetry\u003c\/strong\u003e: Powers remote grid diagnostic and data tracking nodes, keeping communication lines live during shifting battery voltage swings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCritical System Standby Sparings\u003c\/strong\u003e: Drops into compact system subracks as a direct replacement component to maintain plant communication and control safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45024143933555,"sku":"KVC758A 3BHE021951R0124","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-21_16-28-31_a9a086bd-2050-4a33-97b6-d6e3e1d7002a.png?v=1779352189","url":"https:\/\/www.dcssupplier.com\/products\/abb-kvc758a-3bhe021951r0124-high-frequency-power-supply-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}