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

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Model Number: PWR-511-AC-RED
Power Output: 500W
Input Voltage Range: 100–240V AC
Output Type: Redundant, hot-swappable PSU
Compatibility: Selected Arista Networks switches
Form Factor: Internal modular unit
Cooling: Side-to-side airflow
Use Case: Ideal for enterprise switches needing redundant AC power
Condition: Brand New

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SKU: PWR-511-AC-RED

Product details

✅ 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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