APC SYARMXR3B3 – Symmetra LX 3-Module Extended-Run Rack
Overview
The APC SYARMXR3B3 is an extended-run (XR) battery rack designed to integrate with the Symmetra LX UPS system. It ships preinstalled with 3 SYBT5 battery modules, providing additional backup time during outages. This 5U rack frame is built for 208 V environments and is suitable for data centers, telecom closets, or wherever more runtime is needed without replacing the core UPS. It supports daisy-chaining with other XR frames, maintaining hot-swap capabilities and seamless battery management.
Key Features
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Prepopulated with 3 SYBT5 battery modules to extend UPS runtime without reconfiguring the core unit
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5U rack-mount form factor designed for compact integration into UPS racks
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Lead-acid VRLA (sealed) battery chemistry with hot-swap support for module replacement under load
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Supports daisy-chaining of multiple XR frames to further scale runtime as demand grows

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