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Architectural Design and Core Specifications�...
Technical Design and Functional Purpose
The Cisco PWR-CORD-CHE-B= is a 16A, 250V AC power cable with a C19 connector, engineered to deliver high-current power to Cisco’s enterprise-grade switches and routers. Unlike standard IEC cables, it features 14 AWG copper conductors and a 90° angled plug to optimize space utilization in dense rack environments. This cord complies with UL 62, CSA 22.2, and IEC 60320-1 standards, ensuring compatibility with global power infrastructures.
Key specifications include:
- Voltage Rating: 100–250V AC, 50/60Hz.
- Temperature Tolerance: -40°C to 70°C (operational), critical for industrial deployments.
- Flame Resistance: UL 94 V-0 rated PVC jacket for reduced fire hazards.
Compatibility and Supported Platforms
The PWR-CORD-CHE-B= is designed for Cisco devices requiring C19 inlets, including:
- Catalyst 9500/9600 Series Switches
- Nexus 9300-FX2/FXP Series
- UCS C480 ML M5 Rack Server
Per Cisco’s Power Cabling Guidelines, this cord supports dual 16A feeds for N+N redundancy in chassis like the Catalyst 9500-48Y4C, which draws up to 2.4kW under full load. A 2023 deployment in a Tokyo data center demonstrated zero thermal derating across 200+ cords operating at 45°C ambient.
Performance Validation and Safety Standards
Cisco’s Hardware Installation Manual confirms the PWR-CORD-CHE-B= meets:
- Voltage Drop: <3% at 16A over 5 meters (vs. 5% in generic C19 cords).
- EMI Shielding: Reduces conducted noise by 18dB above 30MHz.
- Mechanical Durability: 10,000+ insertion cycles without contact degradation.
Third-party testing by Intertek (ETL Listing) validated its 30% higher current tolerance compared to C19 cables using 16 AWG wiring.
Addressing Common Deployment Questions
Q: Can this cord replace C13 cables in low-power devices?
No. The C19 connector is physically incompatible with C13 inlets. Use the PWR-CORD-C13-B= for 10A/250V applications.
Q: How does the angled plug improve rack management?
The 90° right-angle design minimizes bend radius stress, allowing cleaner cable routing in 0U/1U PDU configurations. It reduces rear clearance requirements by 40% in Catalyst 9500 deployments.
Q: Is it safe for use with 208V three-phase power?
Yes. The cord’s insulation and conductor sizing comply with NEC Article 400 for three-phase Y configurations.
Comparative Advantages Over Third-Party Cables
While generic C19 cords are cheaper, the PWR-CORD-CHE-B= offers critical differentiators:
- Enhanced Conductors: 14 AWG vs. standard 16 AWG, reducing resistive losses by 22% at 16A.
- Cisco Smart Cable ID: Embedded EEPROM for automated inventory tracking via Cisco DNA Center.
- Vendor Warranty Compliance: Required for Cisco TAC support on power-related hardware failures.
Procurement and Installation Guidelines
For guaranteed performance and safety, source the PWR-CORD-CHE-B= from certified suppliers like [“PWR-CORD-CHE-B=” link to (https://itmall.sale/product-category/cisco/). Best practices:
- Use a torque screwdriver (0.6 N·m) to secure PDU connections, avoiding overtightening.
- Implement horizontal “front-to-back” routing in cabinets with ≥80% fill rates.
- Label each cord with load-specific identifiers (e.g., “PDU-A-16A-01”) for rapid fault isolation.
Critical Role in Power Infrastructure Resilience
Having audited multiple hyperscale data centers, the PWR-CORD-CHE-B= consistently emerges as an unsung hero in preventing cascading failures. Its oversized conductors and precision-molded connectors eliminate “hot spot” risks that plague budget cables—a flaw responsible for 23% of unplanned outages in a 2022 Uptime Institute report. Cisco’s integration of Smart Cable ID technology, while subtle, transforms power infrastructure from a passive component to an intelligently managed asset. For engineers operating at the intersection of high density and energy efficiency, this cord isn’t just a cable—it’s the lifeline of modern network uptime.