Electrical distribution board shop drawings for panel DB-1F-VPM.3, specific to an office building expansion project. Includes complete single line diagrams (SLD) with 100A 3P main MCCB, secondary wiring, and branch circuit details. Technical tables cover busbar sizing standards (from 15x5mm up to 3x120x10mm), cable selection, and color codes for various phases. You get full physical layouts: front views with labels, internal mounting plates, side elevations, and cable entry points for top or bottom access. Enclosure specs incl. IP42 rating, RAL 7035 powder coating, and 2.0mm frame thickness. provides details for busbar supports, earthing, and auxiliary components like ammeters, voltmeters, and CTs. Bilingual text provided in English and Vietnamese. Sơ đồ nguyên lý và bản vẽ kỹ thuật chi tiết cho tủ điện DB-1F-VPM.3. Bao gồm đầy đủ mặt đứng, mặt cắt, chi tiết thanh cái và bảng thông số kỹ thut.