N540-PWR400-A= Cisco 400 Watt AC Power Supply at discount

N540‑PWR400‑A Specifications

Cisco Nexus 540 Series 400 W AC Power Supply (Redundant/Spare)

Manufacturer: Cisco
Manufacturer Model: N540‑PWR400‑A
Product Line: Cisco Nexus 540 Series
Product Series: Nexus 540 Power Supplies
Product Type: Power Supply Unit (PSU)
Product Name: Cisco Nexus 540 Series 400 W AC Power Supply

KEY FEATURES:
Power Rating: 400 W AC output
Input Voltage: 100 – 240 VAC wide‑range input
Input Frequency: 50 – 60 Hz
Form Factor: Hot‑swappable internal power supply module
Compatibility: Designed for Cisco Nexus 540 Series switches
Redundancy Support: Supports redundant power configurations when used with multiple PSUs
Cooling: Integrated cooling airflow from front to rear per chassis design
Safety & Compliance: Meets industry safety, EMI/EMC standards

PERFORMANCE:
Output Power: 400 W
Efficiency: High efficiency power conversion for data center operation
Power Conversion: AC to DC conversion for system electronics
Power Distribution: Delivers power to system boards and modules
Random Read IOPS: Not applicable
Random Write IOPS: Not applicable
Sequential Read Speed: Not applicable
Sequential Write Speed: Not applicable

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: Typically 0 °C to 40 °C
Storage Temperature Range: Typically –40 °C to 70 °C
Operating Humidity: 5% to 95% non‑condensing
Shock Resistance: Not explicitly specified
Vibration Resistance: Not explicitly specified
MTBF: High reliability design for continuous operation in enterprise environments

PHYSICAL:
Form Factor: Hot‑swappable PSU module
Dimensions (W × D × H): Power supply module form factor (exact dimensions not explicitly specified)
Weight: Not explicitly specified
Color: Standard industrial network equipment color