{"product_id":"abb-3bse004939r1012-trigger-board","title":"ABB 3BSE004939R1012 Trigger Board","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB 3BSE004939R1012\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(also designated as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDCS-PIN-48-SD\u003c\/strong\u003e) is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePulse Transformer Board\u003c\/strong\u003e, commonly referred to as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTrigger Board\u003c\/strong\u003e. It is a critical component in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB DCS800 DC Drives\u003c\/strong\u003e, responsible for managing the firing pulses of the thyristors in the power section.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3BSE004939R1012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSDCS-PIN-48-SD (successor to 3BSE004939R0002 \/ SDCS-PIN-48)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation and pulse amplification for thyristor triggering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB DCS800 and older DCS series DC Drives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.328 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Principles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh energy transfer, low leakage inductance, high-permeability ferrite core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eKey Roles in the Drive System\u003c\/h2\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation\u003c\/strong\u003e\u003cbr\u003eProvides electrical separation (up to several kV) between the control electronics and the high-voltage power circuit, protecting sensitive processor electronics from high-voltage spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePulse Shaping\u003c\/strong\u003e\u003cbr\u003eEnsures the firing pulses sent to the thyristors have the correct rise time and width for reliable conduction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimultaneous Driving\u003c\/strong\u003e\u003cbr\u003eContains multiple pulse transformers, allowing several thyristors to be driven simultaneously for phase synchronization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eReplacement \u0026amp; Compatibility Notes\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe R1012 version replaces the older, now obsolete\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BSE004939R0002 (SDCS-PIN-48)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Warning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis board is connected to the thyristor power bridge and carries lethal voltages. Always ensure the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edrive’s main circuit breaker is locked out\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDC bus is fully discharged\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebefore replacing the board.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInter-winding Capacitance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned to minimize inter-winding capacitance, reducing \"droop\" and \"backswing\" in trigger signals for smoother motor operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47593860497546,"sku":"3BSE004939R1012","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2818\/2154\/files\/3BSE004939R1012_3.jpg?v=1768963204","url":"https:\/\/www.cambiaplc.com\/products\/abb-3bse004939r1012-trigger-board","provider":"Controlix Automation","version":"1.0","type":"link"}