Name: PEM-20A-AC+-RF Cisco 1400W AC Power Supply for Catalyst 7603/6503
Brand: Cisco
SKU: PEM-20A-AC+-RF
Price: 203.55 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The PEM-20A-AC+-RF 1400-watt power supply is made to support Cisco Catalyst 7603 and 6503 switches by providing steady, high-capacity power. It fits into network setups that need robust power solutions and allows for easy service through its hot-swappable design, helping IT teams keep critical systems running without disruption.

General Information
Brand	Cisco
Part Number	PEM-20A-AC+-RF
Product Type	Network Equipment Power Supply
Condition	Refurbished

Technical Information
Input Voltage	AC 100-240V, 20A
Input Frequency	50/60 Hz
Max. Output Power	1400W
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	Cisco Catalyst 6503, Cisco Catalyst 7603 (Catalyst 6500/7600 series chassis)

Physical Characteristics
Weight	5.00

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

Product Description
This 1400-watt AC power supply is designed to deliver consistent and efficient power to Cisco Catalyst 7603 and 6503 series switches. Often found in enterprise and data center settings, it ensures that critical network devices maintain uptime and performance under heavy load. Built for network administrators managing mid- to large-scale infrastructure, this power supply supports hot-swapping to allow replacement or upgrades without interrupting service. Its advanced cooling mechanisms help maintain optimal operating temperatures during continuous use. Key Features High-capacity 1400W output suitable for demanding switch setups Compatible with Catalyst 7603 and 6503 chassis models Hot-swappable design reduces maintenance windows Integrated cooling system to prevent overheating during operation Reliable power management for stable network performance This power supply is typically deployed in enterprise network environments where uptime and reliability are critical. It plays a key role in maintaining stable power delivery, helping ensure that Cisco Catalyst switches operate smoothly without unexpected shutdowns.

Use Cases
The PEM-20A-AC+-RF power supply is designed for network environments requiring high-reliability power for critical infrastructure. It is best suited for enterprise IT data centers and large-scale campus networks utilizing Cisco Catalyst 7603 and 6503 switches, where consistent power delivery and uptime are essential. How It's Used: Supporting high-throughput enterprise data centers running virtualization and cloud services on Catalyst 7603/6503 platforms. Powering campus network core switches in large organizations to maintain continuous connectivity and reduce downtime. Providing stable power in service provider edge routers handling demanding routing and switching workloads. Enabling hot-swappable power redundancy in mission-critical network setups for quick maintenance and uninterrupted performance. Maintaining power stability in storage clusters that rely on Catalyst switches for network access and traffic management. This power supply enhances operational resilience by ensuring reliable power delivery in complex network deployments, facilitating scalability with its hot-swappable feature. Its integration supports sustained network performance critical to enterprise and provider environments.