Products Memory, Storage and Components Cisco 3925/3945 Secondary A...

Cisco 3925/3945 Secondary AC Power Supply, PWR-3900-AC/2

VENDOR: CISCO Mfg Part#: PWR-3900-AC/2
1 3
Photo is for illustration purposes only. Actual product may be different.
$677.00
$677.00
Sale Sold out
MSRP: $993.00
Shipping calculated at checkout.
  • Proprietary AC power supply designed for Cisco 3925 and 3945 routers
  • Provides secondary power input for redundancy and high availability
  • TAA compliant for government procurement requirements
  • AC input voltage type for standard electrical compatibility
  • Designed and manufactured in the United States
  • Cisco-certified part number: PWR-3900-AC/2

Shipping & Returns

All our products can be shipped anywhere in the Continental United States.

View our shipping and returns policy

View full details

Key Benefits

Eye-Insights
  • Delivers critical power redundancy for Cisco 3925 and 3945 routers, minimizing network downtime.
  • TAA compliance supports use in federal contracts and regulated industries.
  • Designed specifically for Cisco infrastructure, ensuring seamless compatibility and performance.

Product Overview

The Cisco PWR-3900-AC/2 is a proprietary secondary AC power supply designed for the Cisco 3925 and 3945 Integrated Services Routers. It provides critical redundancy to maintain uptime in enterprise networking environments. Made in the USA and TAA compliant, it meets rigorous government and corporate requirements. This unit helps ensure continuous network operation by minimizing the risk of power-related failures.

Specifications

Product Overview
Product Type Proprietary Power Supply
Form Factor Internal, Hot-swappable
Power Supply Type Redundant AC Power Supply
Compatibility Cisco Integrated Services Routers: 3925, 3945
Input Voltage Type AC
Input Voltage Range 100 to 240 VAC
Input Current 4–2 A
Frequency 47–63 Hz
Power Output Capacity 400 W (typical)
Hot Swap Capability Yes
Redundancy Support Yes, used as secondary power source

Physical & Environmental
Dimensions (H x W x D) 1.65 x 3.25 x 11.46 inches (4.19 x 8.26 x 29.11 cm)
Weight 2.5 lb (1.13 kg)
Operating Temperature 32 to 104°F (0 to 40°C)
Storage Temperature -40 to 158°F (-40 to 70°C)
Operating Humidity 5% to 85% noncondensing
Storage Humidity 5% to 95% noncondensing
Cooling Method Internal fan
MTBF 200,000 hours

Cloud Management & Licensing
Cloud Management Support Not applicable
Licensing Required No

Interfaces
Power Connector Type IEC 60320 C14

Compliance & Origin
Manufacturer Cisco Systems, Inc
Manufacturer Part Number PWR-3900-AC/2
Brand Name Cisco
Country of Origin UNITED STATES
TAA Compliant Yes
Certifications RoHS, WEEE, ENERGY STAR (where applicable)
EMC Compliance FCC Part 15 Class A, ICES-003 Class A
Safety Certifications UL 60950-1, IEC 60950-1, CSA-C22.2 No. 60950-1

Advanced Security Features
Power Supply Tamper Detection No
Integrated Surge Protection Yes