Protect switch availability with a power supply built for the QFX5241-1RU platform and its air-out thermal design. In dense data center racks, power components must match the chassis airflow strategy as closely as they match the electrical profile. This AC PSU is intended for that exact role, supporting the operational consistency infrastructure teams expect from Juniper hardware. For procurement and operations teams, the value is in fit and predictability. Platform-specific power modules reduce the risk of mismatched airflow, simplify spares planning, and help keep maintenance aligned with the original system design. That matters when the switch sits in a critical path where downtime is expensive and replacement parts must be right the first time. Choose this PSU when you need a replacement or spare that preserves the QFX5241-1RU’s cooling architecture and keeps the system ready for sustained service. It is a practical, high-confidence component for environments that standardize on Juniper switching and require parts that integrate cleanly into existing support processes.