Name: JPSU-1100-AC-AFO Juniper 1100W AC 80 Plus Gold Front-to-Back Power Supply EX4300
Brand: Juniper Networks
SKU: JPSU-1100-AC-AFO
Price: 324.86 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The JPSU-1100-AC-AFO power supply provides steady 1100-watt power delivery specifically for Juniper EX4300 switches. Its front-to-back airflow setup aligns with the switch’s cooling system, helping maintain consistent temperatures during operation. This unit fits directly into the chassis to support efficient, reliable network performance without extra fuss.

General Information
Brand	Juniper Networks
Part Number	JPSU-1100-AC-AFO
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	47-63 Hz
Output	12V DC
Max. Output Power	1100W
Efficiency Rating	80 Plus Gold
Hot Swappable	Yes
Redundant Support	Yes
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary
Compatible For	Juniper EX4300 series (EX4300-24T, EX4300-24P, EX4300-48T, EX4300-48P)

Physical Characteristics
Weight	3.00

Certifications and Environmental
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV, cULus

Product Description
The JPSU-1100-AC-AFO is a power supply unit designed to provide consistent and efficient power for Juniper EX4300 series switches. It ensures reliable operation by delivering 1100 watts of power while maintaining energy efficiency with its 80 Plus Gold certification. Often found in enterprise network environments, this power supply supports critical infrastructure by maintaining proper airflow with a front-to-back design that aligns with the EX4300 chassis cooling system. Network administrators and IT professionals commonly use this unit to keep their switches running smoothly and reduce downtime risks. Key Features Delivers 1100 watts of stable power tailored for EX4300 switches Front-to-back airflow optimizes internal cooling and prevents overheating 80 Plus Gold rating reduces power loss and improves efficiency Supports standard AC input for straightforward installation Compact form factor designed to fit securely within the switch chassis This power supply is typically installed in data centers and enterprise wiring closets where EX4300 switches operate. Its efficient cooling design helps extend hardware life by reducing heat stress. By integrating this power supply, organizations can ensure their network equipment remains operational and energy use stays controlled.

Use Cases
The JPSU-1100-AC-AFO power supply is designed to support Juniper EX4300 switches primarily deployed in network environments requiring consistent power and efficient cooling management. It is best suited for IT infrastructures where maintaining steady operation under variable workload conditions is critical, such as enterprise campuses and data center edge networks. How It's Used: Providing reliable power backup for Juniper EX4300 switches in enterprise IT networks handling heavy data traffic. Supporting rack-mounted EX4300 switches in data centers with front-to-back airflow to optimize thermal performance. Enabling network aggregation points in medium to large SMB environments that demand continuous uptime. Powering edge computing installations where space constraints require efficient chassis integration and airflow alignment. Facilitating network segmentation in campus environments by supplying stable power to multiple EX4300 switches deployed across floors or buildings. By aligning power delivery with cooling design, this power supply enhances operational stability and contributes to scalable network deployments. Its integration into EX4300 chassis ensures that power and thermal management work cohesively, supporting consistent switch performance and reducing potential downtime in demanding environments.