Name: 3925/3945 DC Power Supply Secondary Ps
Brand: Cisco
Availability: InStock

Cisco PWR-3900-DC/2 3925/3945 DC Power Supply Secondary Ps

The Cisco PWR-3900-DC/2 is a high performance secondary power supply designed for the Cisco 3925 and 3945 Integrated Services Routers. It delivers reliable DC power to critical networking equipment, ensuring continuous operation in demanding enterpri... Read More

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In Stock: 41
Manufacturer: Cisco
Model or Part: PWR-3900-DC/2
Condition: Refurbished
Weight: 1.00lb

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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 PWR-3900-DC/2 is a high performance secondary power supply designed for the Cisco 3925 and 3945 Integrated Services Routers. It delivers reliable DC power to critical networking equipment, ensuring continuous operation in demanding enterprise and service provider environments. This compact unit replaces the original power module and provides a cost effective upgrade path with enhanced efficiency and reduced heat output.

Key Features

Optimized for Cisco 3925 and 3945 routers
DC input voltage range 100-240 V
High efficiency design reduces power consumption
Built-in protection against over current, over voltage and short circuit
Easy slide-in installation with tool-less removal
Robust metal housing for durability and EMI shielding

Technical Specifications

Model/Part Number: PWR-3900-DC/2
Output Power: 390 W
Input Voltage: 100-240 V DC
Current Rating: 3.25 A
Operating Temperature: 0 to 40 degrees C
Storage Temperature: -40 to 70 degrees C
Dimensions (H x W x D): 2.5 in x 5.5 in x 5.5 in
Weight: 2.2 lbs
Compliance: RoHS, FCC Part 15 Class B

Applications

Enterprise branch office routers
Service provider edge routers
Data center network infrastructure
High availability VPN and security appliances
Any Cisco 3925 or 3945 deployment requiring reliable DC power

By choosing the Cisco PWR-3900-DC/2, network operators gain a dependable power source that maximizes uptime, simplifies maintenance, and supports the high throughput demands of modern IP services.