Eltek 811-0077-0/14 HR1300 Rectifier Unit

The Eltek 811-0077-0/14 is a high-reliability (HR) switch-mode rectifier unit designed for compact power systems and telecommunications infrastructure. The HR1300 model delivers a maximum output power of 1300W, converting AC input into a stable DC voltage, typically used for charging backup batteries and powering 48V DC networking equipment. This unit is engineered for high power density and efficiency, minimizing heat dissipation and optimizing energy consumption in space-constrained environments such as remote cabinets and small-cell base stations.The rectifier features a robust digital control architecture that ensures precise voltage regulation and excellent load-sharing capabilities when used in parallel configurations. It includes a wide input voltage range with active Power Factor Correction (PFC) to maintain operational stability across fluctuating power grid conditions. For system management, the HR1300 communicates with centralized controllers (such as the AL175 or Smartpack series) to provide real-time status updates, including output current, temperature, and fault alarms.

Designed for carrier-grade availability, the 811-0077-0/14 supports hot-swappable installation, allowing for maintenance and N+1 redundancy upgrades without service interruption. The unit is cooled by integrated forced-air fans with intelligent speed control, ensuring reliable performance across a wide operating temperature range. It incorporates comprehensive protection circuits, including over-voltage, short-circuit, and thermal protection, to safeguard sensitive electronic loads. The mechanical form factor is optimized for integration into standard Eltek power shelves, providing a rugged and standardized solution for modern telecommunications power plants.