PWR-4000-DC= Cisco 4000 Watts 48V Power Supply at discount

PWR‑4000‑DC Specifications

Cisco 4 000 W DC Power Supply Module for Catalyst 6500 Series

Manufacturer: Cisco
Manufacturer Model: PWR‑4000‑DC
Product Line: Cisco Catalyst Power Supplies
Product Series: DC Input, 4000 W Output
Product Type: Internal DC Power Supply Module
Product Name: Cisco 4000W DC Power Supply for Catalyst 6500 Series

KEY FEATURES:
Input Voltage: –48 V DC nominal @ ~37 A (operating range –40.5 V DC to –56 V DC)
Alternate Input: –60 V DC nominal @ ~29 A (operating range –55 V DC to –72 V DC)
Requires multiple DC input feeds (three inputs) to achieve full 4000 W output
Hot‑Swap / Field‑Replaceable: Yes
Designed for high‑capacity enterprise switching platform (Catalyst 6500)

PERFORMANCE:
Output Power Capacity: 4000 W maximum with three inputs active
Reduced capacity with fewer inputs (e.g., ~2700 W with two inputs)
Holdup Time (DC‑input version): ~8 ms minimum
Output rails: e.g., 90.63 A @ +42 V DC (three inputs active)
Heat Dissipation: Approx. 17,730 BTU/hour
Weight: ~30.8 lb (~14.0 kg)

ENVIRONMENTAL & RELIABILITY:
Operating Temperature: 0 °C to 40 °C
Storage Temperature: –20 °C to 65 °C
Relative Humidity: Operating 10%–85% non‑condensing
Built for 24×7 enterprise/mission‑critical deployment
Supports mixing of AC‑ and DC‑input power supplies within the same chassis

PHYSICAL:
Form Factor: Internal module compatible with Catalyst 6500 Series chassis power‑supply bay
Dimensions: Specific module size aligns with chassis slot (shared with other 1000W/1300W/2500W/3000W/4000W supply modules)
Weight: ~14.0 kg (~30.8 lb)