Cisco PWR-C2-640WAC 640W AC Power Supply — Reliable Redundant Power for Enterprise Switches

The Cisco PWR-C2-640WAC delivers 640 watts of AC power in a hot-swappable, field-replaceable plug-in module designed for Cisco Catalyst 2960-XR and 3650 Series switches. Keep your network infrastructure running with enterprise-grade redundant power at a fraction of the original cost.

Key Specifications

• Output Power: 640W AC
• Output Ratings: +12V @ 20.83A, -54V @ 7.36A
• Input Voltage: 100–240 VAC (auto-ranging), 50/60 Hz
• Input Current: 8–4A
• Form Factor: Hot-swappable plug-in module (FRU)
• Thermal Output: 2,371 BTU/hr (input) / 2,183 BTU/hr (output)
• Dimensions: 1.58 x 3.75 x 11.75 in (4.0 x 9.5 x 29.8 cm)
• Weight: 3.1 lb (1.41 kg)
• Storage Temperature: -40°F to 158°F (-40°C to 70°C)
• Compatibility: Catalyst 2960XR-24PD-I, 2960XR-24PS-I, 2960XR-48LPD-I, 2960XR-48LPS-I, WS-C3650-24PS, WS-C3650-48PS, WS-C3650-24PD, WS-C3650-24PDM, WS-C3650-48PD, WS-C3650-48PQ

Note: This power supply is NOT compatible with the Cisco Catalyst 2960XR-48FPD-I or 2960XR-48FPS-I switches.

This unit is Reef Telecom Certified Refurbished — thoroughly inspected, tested, and restored to full working condition, backed by our industry-leading warranty.

Why Buy Refurbished?

Save significantly over new pricing while receiving the same reliable Cisco quality. Refurbished power supplies reduce e-waste, ship fast, and deliver the same 640W performance your Catalyst switches demand — all backed by Reef Telecom's trusted warranty program.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.