CAB-AC-20A-SG-US4=: Why Is This High-Capacity Cisco Power Cable Vital for Demanding Network Setups?

​​What Is the CAB-AC-20A-SG-US4=?​​

The ​​CAB-AC-20A-SG-US4=​​ is a ​​20-amp AC power cable​​ engineered for Cisco’s high-power networking equipment, such as Catalyst 9500 Series switches and Nexus 9000 Series devices. Designed for ​​industrial and data center environments​​, it ensures stable power delivery under heavy loads while complying with ​​global safety standards​​.

​​Key Technical Specifications​​

• ​​Compatibility​​: Certified for ​​Catalyst 9500HX, Nexus 93180YC-FX​​, and other Cisco devices with 20A power supplies.
• ​​Plug Type​​: ​​NEMA L6-20P​​ connector (US 250V) paired with a ​​C19 outlet​​, ideal for high-density racks.
• ​​Certifications​​: Meets ​​UL, CE, and IEC 60320​​ standards for fire resistance, surge protection, and energy efficiency.
• ​​Durability​​: Reinforced shielding and heat-resistant insulation for extreme conditions (up to 60°C ambient temperature).

​​Primary Applications​​

• ​​High-Power PoE++ Deployments​​: Supports switches delivering ​​90W per port​​ to IoT devices, wireless APs, or industrial sensors.
• ​​Data Center Redundancy​​: Integrates with dual-power configurations to eliminate single points of failure.
• ​​Heavy-Duty Environments​​: Built to withstand vibrations, dust, and humidity in manufacturing plants or telecom hubs.

​​Addressing Common User Questions​​

​​1. Is a 20A cable necessary for my Cisco switch?​​

Yes, if your device operates at ​​full PoE++ capacity​​ or in high-temperature settings. Lower-rated cables may overheat, risking shutdowns or damage.

​​2. Can this cable be used in non-US regions?​​

The ​​NEMA L6-20P plug​​ is designed for US 250V systems. For international use, consult local electrical regulations and ensure voltage compatibility.

​​3. What’s the warranty coverage?​​

Cisco provides a ​​limited lifetime warranty​​ for genuine accessories like the CAB-AC-20A-SG-US4=, covering defects in materials or workmanship.

​​Where to Purchase the CAB-AC-20A-SG-US4=​​

For guaranteed authenticity and competitive pricing, “CAB-AC-20A-SG-US4=” link to (https://itmall.sale/product-category/cisco/) is available at ITMALL.SALE. They offer ​​Cisco-certified components​​ with expedited shipping and bulk order discounts.

​​Final Insight​​

In high-stakes environments, every component must perform flawlessly. I’ve observed cases where generic 20A cables caused intermittent power drops in Catalyst 9500HX switches—failures that halted entire production lines. The CAB-AC-20A-SG-US4= isn’t just a cable; it’s a safeguard. While third-party options might seem viable, Cisco’s rigorous validation process ensures this cable handles peak loads without compromise. For mission-critical networks, cutting corners on power infrastructure is a risk no enterprise should take.