{"product_id":"abb-3asc25h285-dasd-105-thyristor-module","title":"ABB 3ASC25H285 DASD 105 Thyristor module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB 3ASC25H285 DASD 105 Thyristor module\u003c\/strong\u003e is a solid-state power semiconductor device designed for heavy-duty motor speed and torque control in crane motion applications and heavy industrial machinery. Operating as a core power component within the ABB ASTAT crane motion control system, the unit regulates three-phase AC stator voltage and phase sequence via microprocessor-controlled phase-angle trigger pulses, delivering smooth, stepless motor acceleration, deceleration, and high-speed regenerative braking. The \u003cstrong\u003e3ASC25H285 DASD 105\u003c\/strong\u003e connects directly to power distribution buses and interfaces seamlessly with DARA control system modules via optical links and dedicated pulse transformer connections.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for heavy-duty crane motions and harsh industrial environments.\u003c\/li\u003e\n\u003cli\u003eEnables stepless electronic voltage and torque adjustment without requiring direction-reversal contactors.\u003c\/li\u003e\n\u003cli\u003eConvection\/fan-cooled compact assembly rated for panel installation.\u003c\/li\u003e\n\u003cli\u003eDirect fiber-optic and pulse-transformer coupling to DARA control units for maximum noise immunity.\u003c\/li\u003e\n\u003cli\u003eIntegral internal system I\/O board (DATX 100) with coated surface protection against conductive dust ingress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCrane hoist motion control systems.\u003c\/li\u003e\n\u003cli\u003eCrane travel motions (bridge and trolley drives).\u003c\/li\u003e\n\u003cli\u003eHeavy industrial material handling machinery.\u003c\/li\u003e\n\u003cli\u003eSpeed and slip control of slip-ring induction motors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDASD 105\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3ASC25H285\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Rated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e355 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNo-Load Power Loss (P0)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-State Voltage Drop (dV)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.00 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReference Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Derating Above Ref. Temp.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2% per degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Degree\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e422 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e473 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e315 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount inside closed electrical cubicles or control rooms with adequate ventilation to maintain operating temperatures within specified limits.\u003c\/li\u003e\n\u003cli\u003eEnsure vertical mounting orientation to facilitate proper cooling air flow through the heatsink assembly.\u003c\/li\u003e\n\u003cli\u003eIn corporate installations, maintain specified clearance around air inlets and outlets.\u003c\/li\u003e\n\u003cli\u003eWhen operating above 40 degC ambient temperature, apply a current derating factor of 1.2% per degC up to the maximum limit of +85 degC.\u003c\/li\u003e\n\u003cli\u003eConnect power terminals ensuring recommended bolt torque and cable strain relief.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53630896275819,"sku":"3ASC25H285 DASD105","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/3ASC25H285_1.jpg?v=1785417389","url":"https:\/\/www.plcprotech.com\/uz\/products\/abb-3asc25h285-dasd-105-thyristor-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}