Preferred Power Products P3M24-8-4 is a 8 Output Modular Card for The PowerMax Modular CCTV rack mount power supply and distribution unit. The system, with up to four independent modules per chassis, allows the user to scale the unit to match the exact power requirements of a specific application. Each module in the system is hot swappable, allowing the user to replace and maintain modules without affecting power to the rest of the system.