PWR-745AC-F Arista 7050tx Series 750W AC Air Switch Power Supply.

Product Overview of ARISTA 750W Switch Power Supply

• Robust 750W AC power capacity tailored for ARISTA networking hardware
• Compact, space-saving design ideal for installation in constrained environments
• Engineered for front-to-back airflow to optimize heat dissipation and maintain cool operation
• Reliable power delivery supports simultaneous operation of multiple devices without interruptions

General Information:

• Manufacturer: ARISTA
• Part Number: PWR-745AC-F
• Power Capacity: 750 watts AC
• Input Voltage Range: 100–240V AC
• Airflow Direction: Front-to-back for efficient heat management
• Model Number: PWR-745AC-F

Efficient Thermal

The PWR-745AC-F utilizes a front-to-back airflow configuration that effectively directs heat away from sensitive components, ensuring steady performance and prolonging device lifespan.

Performance and Reliability Features

• Consistent 750-watt power output meeting rigorous demands of enterprise-grade switches
• Durable build quality designed for professional networking environments
• Red handle for quick identification and convenient handling during maintenance

Safety and Protection

ARISTA integrates comprehensive safeguards in this power supply to shield your equipment against electrical anomalies:

• Overvoltage protection prevents damage from voltage spikes
• Short circuit protection to avert potential hardware failures
• Advanced electrical safety features for uninterrupted and secure operation

Compatibility

• Specifically designed for the ARISTA 7050TX series switches including models DCS-7050TX2-128-F and DCS-7050TX-128-F
• Suitable as a reliable spare or replacement power supply
• Optimized for 2RU chassis setups requiring front-to-back airflow cooling solutions

Power Supply Solutions for ARISTA 7050tx Series Switches

The PWR-745AC-F ARISTA 7050tx Series 750W AC Air Switch Power Supply represents a critical component engineered to maintain consistent and efficient power delivery to your networking infrastructure. Specifically designed for the ARISTA 7050tx family of switches, this power supply unit (PSU) offers a reliable and robust energy source that supports high-performance data center and enterprise networking applications. In this section, we will explore the features, specifications, cooling mechanisms, safety measures, compatibility, and operational advantages associated with this power supply category.

Core Features of the PWR-745AC-F Power Supply

The PWR-745AC-F model is a high-quality 750-watt AC power supply designed with professional-grade materials and advanced technology. Its primary characteristics include:

• High Power Capacity: Delivers a continuous 750W output to support the demanding power needs of ARISTA 7050tx switches.
• Compact and Space-Efficient Design: Crafted to fit seamlessly into 2RU switch chassis without compromising airflow or accessibility.
• Front-to-Back Airflow Cooling: Ensures efficient heat dissipation, which maintains optimal operating temperatures even under peak loads.
• Robust Construction: Built with durable components that withstand the rigors of data center environments.
• Color-Coded Handles: Red handles facilitate easy identification and quick servicing or replacement during maintenance.

Optimized Cooling

One of the most significant challenges in power supply design for networking hardware is managing thermal output. The PWR-745AC-F addresses this by incorporating a front-to-back airflow design, which aligns with the overall airflow patterns of ARISTA 7050tx switches. This design ensures the heat generated by the PSU is efficiently pushed out of the chassis, minimizing the risk of overheating and subsequent hardware throttling or failure.

• Heat Dissipation Efficiency: The airflow direction is meticulously engineered to channel hot air away from sensitive components.
• Enhanced Reliability: Stable thermal conditions prolong the life expectancy of both the PSU and the connected switch hardware.
• Reduced Cooling Costs: Effective heat management reduces the burden on external cooling systems, potentially lowering operational expenses.

Technical Specifications Breakdown

Understanding the detailed specifications of the PWR-745AC-F is crucial for IT professionals and network administrators when selecting compatible and reliable power solutions. Key specifications include:

• Power Capacity: 750 watts AC output suitable for medium-to-large-scale switch deployments.
• Input Voltage Range: Universal compatibility with 100-240V AC inputs, allowing global deployment without voltage conversion.
• Airflow Direction: Front-to-back, which aligns with ARISTA's chassis design for efficient cooling.
• Dimensions: Compact form factor ensuring compatibility with 2RU switch enclosures.
• Model and Part Numbers: Model PWR-745AC-F, Part Number PWR-745AC-F, ensuring easy procurement and replacement.

Electrical Safety and Protection Features

Reliability in power supplies extends beyond performance; safety and protection mechanisms play an integral role in safeguarding both the PSU and connected devices. The PWR-745AC-F includes several protective technologies:

• Overvoltage Protection: Shields connected hardware from harmful voltage surges that can cause permanent damage.
• Short Circuit Protection: Automatically detects and interrupts current flow in the event of a short, preventing catastrophic failures.
• Overcurrent Protection: Limits excessive current that may occur due to faults or abnormal operating conditions.
• Thermal Shutdown: Prevents overheating by shutting down the PSU if temperatures exceed safe operational thresholds.

Compatibility Scenarios

The PWR-745AC-F power supply is tailored explicitly for ARISTA’s 7050tx series, including models like DCS-7050TX2-128-F and DCS-7050TX-128-F. Its design ensures seamless integration and straightforward installation within the respective chassis, making it a reliable spare or replacement part.

• Designed for 2RU Chassis: Fits perfectly in rack-mounted switches with 2RU form factors.
• Ideal for High-Density Network Deployments: Supports power needs for data centers requiring robust and uninterrupted power.
• Redundancy Support: Enables dual or multiple PSU setups for failover capabilities in critical network environments.

Benefits of Using the PWR-745AC-F in Enterprise Networks

Deploying the PWR-745AC-F power supply in ARISTA 7050tx switches delivers several operational and strategic advantages:

• Uninterrupted Network Uptime: Ensures stable power delivery, reducing the risk of downtime caused by power-related issues.
• Energy Efficiency: Optimized power conversion reduces energy consumption, aligning with green IT initiatives.
• Ease of Maintenance: The red handle and modular design allow quick swap-outs and minimal disruption during repairs.
• Longevity: Advanced thermal and electrical protections extend the operational life of both the PSU and switch hardware.
• Cost-Effectiveness: Reliable performance minimizes costly outages and hardware replacements.

Understanding Front-to-Back Airflow Power Supplies

Power supplies with front-to-back airflow are specifically engineered to complement chassis cooling designs where air enters from the front and exhausts through the back. This airflow direction enhances system cooling efficiency by creating a streamlined path for air to flow over critical components.

• System Integration: Front-to-back airflow PSUs ensure that heat is expelled directly out of the chassis, preventing heat buildup inside the enclosure.
• Noise Reduction: Proper airflow reduces the need for high-speed fan operation, resulting in quieter equipment.
• Improved Component Longevity: Stable temperatures reduce thermal stress on electronic components, increasing their lifespan.

Advantages for Data Center and Enterprise Use

• Stable and consistent power delivery to maintain network reliability
• Advanced safety features to protect against electrical hazards
• Optimized thermal design reduces cooling expenses and hardware failures
• Compact form factor that fits seamlessly into ARISTA 7050tx series chassis
• Supports high-density, mission-critical networking operations