Power supply board (with/ without transformer) for power supply to CNC machines. Features are introduced here: 1. 2200uf/100V filtering capacitors x 5 pieces (Total 11000uF Bulk capacitance). 2. Rectified and filtered 100V (15A) terminals (four in number). 3. Rectified and filtered 24V (800 mA) output terminal. 4. Rectified, filtered and regulated 12V (800mA) output terminal. 5. Status LED for mains and 12V output for easy diagnostics.