Name: 550W DC Power Supply Back to Front Airflow for EX4300
Brand: Juniper Networks
Price: 1592.95 USD
Availability: InStock

Juniper Networks JPSU-550-DC-AFI 550W DC Power Supply Back to Front Airflow for EX4300

Overview The Juniper Networks JPSU-550-DC-AFI is a 550W DC power supply designed for the EX4300 series switches. Engineered for back-to-front airflow, this power unit delivers reliable, high-efficiency power conversion while maintaining optimal cooli... Read More

price

$1,592.95

In Stock: 20
Manufacturer: Juniper Networks
Model or Part: JPSU-550-DC-AFI
Condition: Refurbished
Weight: 2.43lb
Dimensions: 19.00in x 6.00in x 4.00in

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Juniper Networks JPSU-550-DC-AFI is a 550W DC power supply designed for the EX4300 series switches. Engineered for back-to-front airflow, this power unit delivers reliable, high-efficiency power conversion while maintaining optimal cooling within dense data center environments. Its compact form factor and robust construction make it an ideal replacement or upgrade for existing EX4300 deployments, ensuring continuous operation and reduced downtime.

Key Features

550 watts of continuous DC power output for demanding network workloads
Back-to-front airflow design maximizes cooling efficiency in rack mounted installations
Redundant power capability when paired with a second unit for high availability
Hot-swap ready - replace the supply without interrupting traffic
Built-in over-voltage, over-current, and thermal protection safeguards
Compliant with Juniper EX4300 hardware specifications and firmware

Technical Specifications

Model/Part Number: JPSU-550-DC-AFI
Input Voltage: 48 VDC (typical) with tolerance +/- 10 percent
Output Power: 550 W
Efficiency: 92 percent minimum at full load
Operating Temperature: 0 deg to 45 deg Celsius
Storage Temperature: -40 deg to 70 deg Celsius
Dimensions (H x W x D): 1.75 in x 5.5 in x 6.0 in
Weight: 4.2 lbs
Connector Type: Standard Juniper DC power connector
Airflow Direction: Back to front (intake at rear, exhaust at front)

Applications
The JPSU-550-DC-AFI is suited for a wide range of networking scenarios, including:

Enterprise campus cores where high throughput and uptime are critical
Data center leaf and spine architectures that require efficient power distribution
Branch office aggregation points that rely on Juniper EX4300 switches for routing and switching
Service provider edge deployments needing redundant power for service continuity
Any environment that benefits from hot-swap capability and optimized cooling

By integrating the JPSU-550-DC-AFI into your EX4300 infrastructure, you gain a dependable power source that supports sustained performance, simplifies maintenance, and enhances overall network resilience.