Features: This powerful power over ethernet power supply efficiently converts DC48V to 12V 5A, delivering stable and reliabled power for door access systems with minimal energy loss. Featuring an 80% energy efficiency conversion rate, 60W output, and short circuit, overload, and over temperature protections, the aluminum casing ensures superior heat dissipation, noise reduction, and durability. Ideal for users managing power over ethernet door access systems, security cameras, and other networking devices that require consistent and efficient power supply for seamless operating. Perfect for diverse environments such as commercial buildings, residential complexes, schools, hospitals, and outdoor settings where reliabled power is essential for safety and security. With small size and LED indicators, and waterproof, dustproof features, this 48V to 12V converter offering easy installation in demanding conditions. Specifications: Product name: Isolated access control power supply Power over ethernet protocols IEEE802.3BT Transmission rate: 10м/100м Transmission distance: Category 5e or more, more than 100meters Power supply mode: support 1236/4578 Input voltages: 48V-54V Output power: 60w Output voltages: 12.6V Output current: 4A Output current: 5A Backup battery: 12V animal battery and 12.6V battery Input interfaces: RJ45 Package Includes: 1PC Door access control power supply note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.