APC Rack ATS 2U AP4431A 30A 208V | Rack ATS, Power Distribution

Protect rack-mounted infrastructure from single-source power interruptions with APC Rack ATS AP4431A. Built for environments where even brief downtime can disrupt services, this 2U automatic transfer switch monitors two independent power sources and transfers load to the available feed when the primary source drops. That makes it a practical fit for network closets, edge racks, and distributed IT sites that need continuity without adding complexity. With 30A, 208V input support and dual L6-30P inputs, the AP4431A is designed for higher-density deployments that demand stable power routing. The single L6-30R output keeps the connection path straightforward while preserving the redundancy needed to sustain connected equipment through source loss. Its rack-mount design helps conserve space in standard cabinets, and the 50/60 Hz compatibility supports common North American power environments. For teams standardizing on APC infrastructure, this model offers the kind of electrical discipline that cheaper power strips cannot match. It is not about adding outlets; it is about preserving service continuity for the systems that matter most.