Cisco PWR-RTN-ASY-39-AC Cables, Connectors, and Adapters

The Cisco PWR-RTN-ASY-39-AC is an AC Cord Retention Assembly designed for the Cisco ISR 3900 series routers. This accessory secures and manages AC power connections to ensure stable power delivery and prevent accidental disconnection during operation or maintenance in data center and network environments.

The PWR-RTN-ASY-39-AC is specifically designed for the Cisco ISR 3900 series routers. We recommend verifying compatibility with your exact router model before ordering. Contact us today if you need clarification on whether this assembly works with your specific ISR configuration.

The PWR-RTN-ASY-39-AC is rated for AC input voltage between 100 to 240 VAC autoranging at 47 to 63 Hz frequency, supporting worldwide power standards. It accommodates maximum power draw up to 540 watts depending on your ISR 3900 configuration and connected modules.

Yes, the Cisco ISR 3900 series supports redundant power supply configurations with both AC and DC options. The PWR-RTN-ASY-39-AC retention assembly is compatible with these redundant setups, helping secure multiple power connections in high-availability network deployments.

The PWR-RTN-ASY-39-AC is designed to operate in standard data center environments with operating temperatures between 41 to 104°F (5 to 40°C) and operating humidity from 10 to 85% relative humidity. Storage conditions range from -40 to 158°F (-40 to 70°C).

We offer the Cisco PWR-RTN-ASY-39-AC as part of our comprehensive Cisco networking accessories inventory. Visit barcodesinc.com to order this power retention assembly, or contact us today for bulk pricing, technical specifications, or integration assistance with your ISR 3900 deployment.