5-Step Quality Assurance Testing certified

5-Step QA Testing Process

1-Year Warranty Guarantee certified

1-Year Warranty Guarantee

JPSU-400W-AC Power Supplies

This category features AC power supplies for Juniper and Cisco switches, including the JPSU-400W-AC family and related wattage options from 350W to 1600W. These refurbished power modules restore redundancy and uptime for data center, enterprise, and service provider network switches, each backed by rigorous testing and warranty coverage.

Juniper JPSU-1600W-AC-AFO
Cisco Systems C3K-PWR-750WAC=
Cisco Systems C3K-PWR-1150WAC=
Juniper EX 4300 350W AC Power Supply, front-to-back airflow
Juniper EX-PWR-930-AC Power Supply
Cisco Systems NXA-PAC-500W=

Our Range of Products

Juniper JPSU-1600W-AC-AFO

Juniper JPSU-1600W-AC-AFO

  • 1600W AC output with front-to-back airflow
  • Built for Juniper QFX10000 Series switches
  • 5-step QA testing and Juniper warranty backed
Cisco Systems C3K-PWR-750WAC=

Cisco Systems C3K-PWR-750WAC=

  • 750W AC replacement power supply spare unit
  • Compatible with 3750-E, 3560-E, RPS 2300
  • 5-step QA tested with Cisco warranty support
Cisco Systems C3K-PWR-1150WAC=

Cisco Systems C3K-PWR-1150WAC=

  • 1150W genuine Cisco Catalyst power supply spare
  • Fits Catalyst 3750-E/3560-E and RPS 2300
  • Backed by Terabit Systems warranty coverage
Juniper EX 4300 350W AC Power Supply, front-to-back airflow

Juniper EX 4300 350W AC Power Supply, front-to-back airflow

  • Up to 90% power efficiency for lower operating cost
  • Overcurrent, overvoltage, short-circuit protection
  • Affordable $55 price with 1-year warranty
Juniper EX-PWR-930-AC Power Supply

Juniper EX-PWR-930-AC Power Supply

  • 930W power supply for EX4200/EX3200 switches
  • Passed 5-step Quality Assurance testing process
  • Backed by Terabit Systems Juniper warranty
Cisco Systems NXA-PAC-500W=

Cisco Systems NXA-PAC-500W=

  • 500W AC PSU built for Cisco Nexus 3000 Series
  • Forward airflow design for efficient cooling
  • 5-step QA tested with Terabit Systems warranty

Frequently Asked Questions

What is the JPSU-400W-AC power supply used for?

JPSU-series AC power supplies provide primary or redundant power to Juniper switches, ensuring continuous operation in data center and enterprise network environments. They support hot-swappable replacement, allowing power modules to be serviced without taking the switch offline, which is critical for maintaining uptime in production networks.

Are refurbished power supplies from Terabit Systems reliable?

Do I need to order a power cord separately?

What airflow direction do these power supplies use?

Can I use these power supplies for redundancy in my existing switch?

What warranty coverage applies to these power supplies?

How do I know which wattage I need?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Data Center Operators

Data Center Operators

Power supplies restore redundancy and uptime for high-density data center switches handling critical network traffic.

Enterprise IT Teams

Enterprise IT Teams

Enterprise network administrators use these power supplies to maintain reliable switch operation across office and campus networks.

Telecom and Regional ISPs

Telecom & Regional ISPs

Regional internet and triple-play service providers rely on these units for affordable power redundancy in growing networks.

VARs and IT Resellers

VARs & IT Resellers

Resellers source these tested power supplies to fulfill customer orders quickly at competitive prices.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Network Buyers Choose Terabit Systems

Rigorous 5-Step QA Testing

Every power supply passes a rigorous 5-step quality assurance and testing process before shipping, ensuring reliable performance.

Rock-Solid Warranty Coverage

Backed by a 1-year replacement or full refund guarantee, giving buyers peace of mind on every purchase.

Significant Cost Savings

Refurbished Juniper and Cisco power supplies deliver major savings versus OEM pricing without compromising quality.

Need a JPSU-400W-AC Power Supply? Get a Fast Quote

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