Original Mitsubishi VRF City Multi Outdoor Power Board 30PYTST4C7-1 (Made in Thailand) for Mitsubishi VRF outdoor units. This PCB functions as the outdoor power input/noise filter board, helping provide stable power and EMI filtering for reliable VRF system operation. Suitable for repair and replacement of compatible Mitsubishi VRF outdoor units. The 30PYTST4C7-1 board is identified as an air-conditioning power input/noise filter board in service references.