How to Choose the Correct Power Supply for Your CCTV Camera - E-AbelA CCTV power supply converts AC mains power to low-voltage DC to power cameras and is often a distribution box for multiple cameras, providing a professional and neat solution with individual circuit protection. Key features include multi-channel outputs, surge and over-voltage protection, and individual auto-reset fuses for each channel to prevent a fault from affecting others. They are designed to replace multiple individual adapters, centralizing power distribution and simplifying installation.