PWR-2921-51-AC= Cisco 290 Watts Power Supply at discount

PWR‑2921‑51‑AC Specifications

Cisco AC Power Supply for ISR 2921/2951

Manufacturer: Cisco
Manufacturer Model: PWR‑2921‑51‑AC
Product Line: Cisco Router Power Supplies
Product Series: AC Input, Internal Module
Product Type: Internal AC Power Supply Module
Product Name: Cisco AC Power Supply for ISR 2921/2951

KEY FEATURES:
Input Voltage Range: 100–240 VAC (auto‑ranging)
Input Frequency: 50–60 Hz
Hot‑Swap Support: No (requires system power‑down for replacement)
Designed for compatibility with Cisco ISR 2921 and Cisco ISR 2951 platforms

PERFORMANCE:
Output Power Capacity: ~290 W (for the AC module)
Redundancy Support: No built‑in redundancy for this supply model
Platform Maximum Power (AC Supply): Up to ~320 W for the ISR 2921/2951 series when using AC input.
Maximum End‑Point PoE Power Available (Platform Only): Up to ~280 W when using correct supply for PoE.

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: 0 °C to 40 °C
Storage/Non‑Operating Temperature Range: –40 °C to 70 °C
Designed for continuous (24 × 7) enterprise branch deployment

PHYSICAL:
Form Factor: Internal module for rack/chassis installation (fits ISR 2921/2951 chassis)
Typical Dimensions: Refer to the router chassis size (for platform)
Weight: ~8.2 kg (~18 lb) for the router with AC supply (no modules)