Description 

The Cisco PWR-C2-640WAC is a 640W AC power supply module designed for Cisco Catalyst 2960-X and 2960-XR Series switches. It delivers reliable power for switch operation and PoE devices, and supports redundancy when used with an optional secondary power supply.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Cisco
Category	Networking Equipment
Part Number	PWR-C2-640WAC
Subcategory	Power Supply Modules
Maximum Output Power	640 W
Input Voltage Range and Frequency	640 W, 100 to 240 VAC (autoranging), 50 to 60 Hz
Input Current	8–4 A
Output Ratings	+12 V @ 20.83 A, –54 V@7.36 A
Total Input BTU	2371 BTUs per hour, 695 W
Total Output BTU	2183 BTUs per hour, 640 W
Storage Temperature	–40 to 158° F (–40 to 70° C)
Relative Humidity	5 to 96% (noncondensing)
Altitude	AC power supply: Up to 16,400 feet (5,000 m)
Dimensions (H x W x D)	1.58 x 3.75 x 11.75 in. (4.0 x 9.5 x 29.8 cm)
Weight	1.41 kgs

  

 

Information About PWR-C2-640WAC

The Cisco PWR-C2-640WAC is a 640-watt AC power supply module designed for use with Cisco Catalyst 2960-X and 2960-XR Series switches. It provides ample power to support both the switch and connected Power over Ethernet (PoE) devices. When used in conjunction with a secondary power supply, it supports full power redundancy, making it ideal for high-availability environments.

Key Features:

• Power Output: 640 Watts total

• Power Type: Internal AC power supply

• Hot-Swappable: Yes – can be replaced without powering down the switch

• Redundancy Support: Compatible with secondary power supply for full redundancy (on 2960-XR switches)

• PoE Support: Powers switch and PoE/PoE+ devices, depending on the switch configuration

• Cooling: Integrated fan for thermal control

• Input Voltage Range: 100–240V AC

• Input Frequency: 50/60 Hz

• Compatibility: Cisco Catalyst 2960-X and 2960-XR Series switches

• Operating Temperature: 32 to 113°F (0 to 45°C)

Ideal for enterprise networks requiring reliable, scalable power for both switching functions and PoE/PoE+ device support. It enhances uptime and power flexibility, especially in environments with critical networking infrastructure.