Allen-Bradley 20-VB00299 Power Supply Fan Board

The Allen-Bradley 20-VB00299 Power Supply Fan Board is a cooling-fan power supply PC board used in PowerFlex high-power AC drive systems to provide regulated power for the drive's cooling fan assembly. Commonly installed in PowerFlex 700H, 700S, and 700AFE drives operating in industrial automation, material handling, process control, and manufacturing environments, maintenance teams and system integrators use this board for replacement, repair, and retrofit projects to maintain drive cooling performance and prevent overheating-related failures. Key specifications include a voltage class of 400–480 VAC / 600–690 VAC with an operating range of 380–690 VAC and 50/60 Hz, internal board mounting, fixed screw mounting, internal wiring, and a weight of approximately 4.81 lb (2.18 kg); the board is a Printed Circuit Board (PCB) whose function is cooling fan voltage distribution. Manufactured by Allen-Bradley / Rockwell Automation, part number 20-VB00299, it is listed as Discontinued by Manufacturer, with common replacements such as Allen-Bradley 60-VB00299 Fan Power Supply Board, SK-H1-DCFANBD1 DC Fan Power Supply Board, and 20-VB00999 PowerFlex Fan Power Supply Assembly.