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The AR550/P3-50+50U3 is a part of the APARAT power distribution unit (PDU). This is a rack-mounted load-sharing power distribution unit designed to provide reliable power distribution and monitoring in data centers and other IT environments. This model features 50 1U3 outputs and 50 2U3 outputs, each of which is individually rated for up to 20A / 1500W of power. Additionally, each output supports remote monitoring and control via built-in SNMP, Modbus, and HTTP interfaces, allowing for detailed power usage information and customizable alert notifications. This PDU also includes several other advanced features, such as automatic fault detection, multiple authorization levels, scheduled power resets, and automatic power shutoff for abnormal current and voltage conditions. Other highlights include a durable fan-cooled case, a wide-range voltage input, and energy-saving auto-sleep.