| Product Type | Proprietary Hot-Plug AC Power Supply |
| Form Factor | Hot-swappable module |
| Power Output | 770W |
| Input Voltage Range | 100 to 240 VAC |
| Input Frequency | 50 to 60 Hz |
| Application | Cisco 5520 Wireless LAN Controller |
| Redundancy Support | Yes (for redundant PSU installations) |
| Hot-Plug Support | Yes |
| Status LED Indicators | Yes |
| Cooling Method | Integrated fan (internal cooling) |
| Weight | 1.28 kg (approximate) |
| Power Supply Type | Internal AC-power supply |
Cisco AIR-PSU1-770W-RF 770W AC Hot-Plug Power Supply (Refurbished)

Key Benefits
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- Designed specifically for compatibility with the Cisco 5520 Wireless Controller, ensuring seamless integration.
- Hot-pluggable capability minimizes network downtime during maintenance or replacement.
- TAA compliance and refurbished status make it ideal for budget-conscious government and commercial deployments.
Product Overview
The Cisco AIR-PSU1-770W-RF is a proprietary, refurbished AC power supply unit designed specifically for the Cisco 5520 Wireless Controller, delivering 770 watts of power. With its hot-plug capability, it allows PSU replacements without system downtime, supporting continuous operation in enterprise environments.
TAA-compliant and manufactured in Taiwan, the unit is ideally suited for both government deployments and commercial networks. Cisco's build quality and hardware standards offer confidence in long-term performance, while the refurbished condition ensures a sustainable and cost-effective purchasing alternative. Service teams benefit from quick installation and minimal disruptions during maintenance cycles.
Although full electrical specs are not available, the power supply is purpose-built for Cisco 5520 compatibility, maintaining the high standards expected from proprietary Cisco hardware solutions.
Specifications
Product Overview
Physical & Environmental
| Dimensions (H x W x D) | 1.6 x 4 x 12.75 inches (approximate) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity | 10% to 90% non-condensing |
| Storage Humidity | 5% to 95% non-condensing |
| MTBF | Over 500,000 hours under typical conditions |
Cloud Management & Licensing
| Cloud Management | Not applicable |
| Licensing | Not required for PSU module |
Additional Information
| Compatible Hardware | Cisco 5520 Wireless Controller |
| Manufacturer Part Number (MPN) | AIR-PSU1-770W-RF |
| Product Condition | Refurbished |
| Brand | Cisco |
| Manufacturer Website | http://www.cisco.com |
Interfaces
| Connector Type | Proprietary connector for Cisco 5520 chassis |
| Power Connector | Standard AC input (IEC C14) |
| AC Input Socket | Yes |
Compliance & Origin
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| RoHS Compliance | Yes |
| WEEE Compliance | Yes |
| EMC Standards | EN55032 Class A, EN61000-3-2/3-3 |
| Safety Standards | UL/CSA 60950-1, IEC/EN 60950-1 |
| Certifications | CE, FCC, VCCI |
Advanced Security Features
| Security Support | Not applicable for hardware PSU component |