Name: AC Power Adapter 34-1977-03 48V
Brand: Cisco
Price: 30.95 USD
Availability: InStock

Cisco PSA18U-480C AC Power Adapter 34-1977-03 48V

The Cisco PSA18U-480C AC Power Adapter (part number 34-1977-03) delivers reliable 48V DC power for a wide range of Cisco networking equipment. Designed for high efficiency and robust performance, this adapter is an essential component for maintaining... Read More

price

$30.95

In Stock: 151
Manufacturer: Cisco
Model or Part: PSA18U-480C
Condition: Refurbished
Weight: 1.00lb
Dimensions: 4.00in x 2.00in x 0.50in

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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 Cisco PSA18U-480C AC Power Adapter (part number 34-1977-03) delivers reliable 48V DC power for a wide range of Cisco networking equipment. Designed for high efficiency and robust performance, this adapter is an essential component for maintaining uninterrupted operation of switches, routers, and other mission critical devices in enterprise and data center environments.

Key Features

Input voltage range 100-240V AC, supporting worldwide deployment
Output voltage 48V DC with a stable 4.5A current rating
High efficiency design reduces heat and lowers energy consumption
Compact, lightweight form factor simplifies installation in rack or wall mount setups
Built-in protection against over voltage, over current, short circuit and overheating
Certified for compatibility with Cisco IOS and IOS XE platforms

Technical Specifications

Model / Part Number: PSA18U-480C
Manufacturer: Cisco
Input: 100-240V AC, 50/60 Hz
Output: 48V DC, 4.5A (max)
Power rating: 216W
Connector type: IEC C13 input, proprietary Cisco 48V DC output
Operating temperature: 0 to 40 degrees C
Storage temperature: -20 to 70 degrees C
Dimensions: approx 5.5 x 3.5 x 1.5 inches
Weight: approx 1.2 lbs

Applications
The PSA18U-480C is ideal for powering Cisco Catalyst switches, Nexus series devices, and Unified Communications appliances. It is also suitable for use in branch office routers, wireless LAN controllers, and any Cisco hardware that requires a stable 48V DC supply. Its global input range makes it a versatile choice for multi-site deployments, ensuring consistent performance across diverse power infrastructures.