Arista PWR-511-AC-RED Redundant 500W AC Power Supply – Hot-Swappable PSU for Arista Switches

✅ Key Features

• Model: PWR-511-AC-RED – 500W redundant PSU for Arista enterprise switches
• Power Output: 500 Watts of efficient and stable AC power
• Input Voltage Range: Supports 100–240V AC with auto-switching capability
• Output Type: Redundant and hot-swappable for zero-downtime maintenance
• Compatibility: Designed for use with selected Arista Networks switch models
• Form Factor: Modular internal design for seamless integration
• Cooling: Side-to-side airflow for optimal heat dissipation
• Efficiency: High-efficiency architecture for reduced energy waste
• Installation: Tool-less insertion/removal simplifies servicing and upgrades
• Protection: Equipped with over-voltage, over-current, and short-circuit protection
• Design: Red label identification for correct PSU bay placement
• Monitoring: Supports system health diagnostics and PSU status reporting
• Reliability: Built for continuous operation in data center environments
• Use Case: Ideal for high-availability switch deployments requiring power redundancy
• Compliance: Meets industry safety and emissions certifications
• Condition: Brand new, OEM-certified power module

📦 Description

The PWR-511-AC-RED is a 500W hot-swappable redundant power supply engineered for enterprise-grade Arista switches requiring high-availability power infrastructure. Its modular design and red label make it easy to identify and integrate into supported chassis with no configuration required.

This unit is capable of delivering 500 watts of clean, regulated power, ensuring uninterrupted operation for networking systems under continuous load. With its hot-swap functionality, IT teams can replace or upgrade the PSU without disrupting active network operations—crucial for mission-critical environments.

Designed for side-to-side airflow, the PWR-511-AC-RED aligns perfectly with Arista switch thermal designs, maintaining ideal cooling efficiency in rackmount setups. The wide input voltage range (100–240V AC) allows for global deployment with automatic switching between voltages.

It supports full redundant power configurations, helping safeguard systems from power failure and extending operational reliability. Built-in protection features prevent damage from over-voltage and short circuits, while real-time PSU monitoring enables intelligent fault detection and predictive maintenance.

Ideal for use in data centers, enterprise core networks, and switch aggregation layers, the PWR-511-AC-RED delivers both the resilience and efficiency that modern IT infrastructure demands.

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