PWR-3900-POE= Cisco 540 Watts Power Supply at discount

PWR-3900-POE Specifications

AC Power Supply Module with Power Over Ethernet for Cisco 3900 Series Routers

Manufacturer: Cisco
Manufacturer Model: PWR-3900-POE
Product Line: Cisco 3900 Series Power Supplies
Product Series: AC Input, PoE-Capable Module
Product Type: Hot‑swappable AC Power Supply Module
Product Name: Cisco AC Power Supply with PoE for 3925/3945 Series

KEY FEATURES:

Input Voltage: 100‑240 V AC

Frequency: 47‑63 Hz

Supports Power over Ethernet to router switch modules (PoE)

Designed for use in Cisco 3925 / 3945 Series Integrated Services Routers

Hot‑Swap Support: Yes

Enables enhanced power for PoE ports when used in compatible chassis

PERFORMANCE:

Maximum Output Power: ~540 W (with AC input)

Conventional AC-only versions supply lower power (~400 W) confirming the PoE version supports higher output

AC Input Current: Rated for higher current to accommodate PoE load

Device Type: Hot‑plug module fitting into power‑supply bay of supported router chassis

ENVIRONMENTAL & RELIABILITY:

Operating Temperature: 0 °C to ~40 °C

Storage Temperature: –40 °C to +70 °C

Relative Humidity: Non‑condensing conditions appropriate for enterprise network equipment

Designed for continuous 24×7 operation in branch routing environments

PHYSICAL:

Form Factor: Plug‑in module for Cisco 3900 Series router power bay

Mounting: Supports tool‑less insertion and removal when installed in redundant system

Cooling and airflow: Compatible with chassis design

Dimensions & Weight: Specific values not widely published