Cisco PWR-C1-350WAC-P/2 Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco 350-Watt Hot-Swappable 80 PLUS Platinum AC Power Supply Module (Config 1, Secondary Commercial Variant)
SKU:PWR-C1-350WAC-P/2
Naming Breakdown
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PWR: Modular power supply unit
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C1: Config 1 unified form factor for Catalyst 3850 / Catalyst 9300 switch chassis
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350W: Maximum rated DC output power of 350 Watts
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AC: Universal alternating current mains input
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P: 80 PLUS Platinum high-efficiency rating
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/2: Secondary spare commercial variant, mechanically, electrically and firmware compatible with base PWR-C1-350WAC-P
Critical Note: Identical electrical parameters, pin assignment and physical dimensions as standard PWR-C1-350WAC-P. Interchangeable within all supported chassis without hardware or configuration modification. Distinguish from standard-efficiency PWR-C1-350WAC and PWR-C1-350WAC/2 non-platinum models.
Core Architecture
The PWR-C1-350WAC-P/2 is a hot‑swappable AC‑DC switching power module equipped with integrated temperature‑controlled variable speed cooling fan. It converts universal AC mains input to regulated -56 VDC output to power switch mainboard, internal fan assemblies and limited PoE loads. Supports parallel 1+1 redundant deployment and automatic load sharing inside compatible switch chassis. Embedded protection circuits deliver overvoltage (OVP), overcurrent (OCP), overtemperature (OTP) and short‑circuit auto‑recovery protection.
Deployment Guidance: Calculate total power budget for PoE-capable switches. This 350W PSU provides limited available power for IEEE 802.3af/at powered devices. Platinum efficiency reduces power waste and thermal load versus standard efficiency power supplies.
Core Product Positioning
The Cisco PWR-C1-350WAC-P/2 is a field-replaceable high-efficiency hot-swappable AC power supply designed for Catalyst fixed-form enterprise access switches. Suitable as primary or redundant power source for non-PoE or light PoE-load environments. Dual PSU installation eliminates single point of failure and enables live power module replacement without switch power interruption. Optimized for energy-saving enterprise campus access, branch office LAN and medium scale top-of-rack switching deployments.
2. Hardware & Software Compatibility
Supported Host Platforms
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Cisco Catalyst 3850 Series fixed-port switches
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Cisco Catalyst 9300 modular switches (all non-PoE and low PoE-demand models)
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Cisco Catalyst 9300X modular switches
Unsupported Platforms
C9200 / C9200L, C9300L, Catalyst 3650, Catalyst 9400/9500, ISR routers, ASA firewalls and all non‑C1‑config chassis.
3. Electrical & Physical Specifications
Electrical Ratings
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Input Voltage: 100–240 VAC autoranging, 50/60 Hz
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Input Current: 4 A @100 VAC / 2 A @240 VAC
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Input Connector: IEC 60320 C16
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DC Output: -56 VDC, maximum 6.25 A (350 W)
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Minimum Hold-up Time: ≥16.7 ms @100 VAC input
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Efficiency: 80 PLUS Platinum certified
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Cooling: Integrated temperature-controlled variable speed fan
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Protection: OVP, OCP, OTP, short-circuit automatic recovery
Physical Specifications
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Dimensions (H × W × D): 40.1 × 82.6 × 309.9 mm (1.58 × 3.25 × 12.20 inch)
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Approximate Unit Weight: 1.2 kg
Environmental Specifications
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Operating Temperature: -5 °C ~ +45 °C
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Storage Temperature: -40 °C ~ +70 °C
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Operating Humidity: 5% – 95% non‑condensing
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Maximum Operating Altitude: 3048 m (10,000 ft)
4. Supported Functional Capabilities
Power System Functions
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Online Insertion and Removal (OIR) hot-swap capability
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Parallel 1+1 redundant power mode and load sharing
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Real-time PSU health monitoring via IOS-XE CLI, SNMP and Cisco DNA Center
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Dynamic fan speed adjustment based on internal ambient temperature
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Fault alert reporting for overheating, power loss and hardware faults
Platform Feature Compatibility
Supports StackPower power pooling function when installed within stacked Catalyst 3850 / C9300 switch systems. Fully compatible with all native Layer 2 / Layer 3 switching functions of supported host platforms.
5. Typical Deployment Scenarios
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Primary or redundant power supply for non-PoE / low-PoE Catalyst 3850 / C9300 access switches
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Green IT network projects requiring platinum high efficiency to reduce operational power consumption
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Branch office fixed-port switching deployments without heavy PoE device consumption
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Network environments requiring zero-downtime hot replacement of power modules
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Medium-density access layer supporting small numbers of IP phones and wireless access points
6. Regulatory & Compliance Certifications
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Safety: UL 60950-1, IEC 60950-1
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EMC: CE, FCC Part 15 Class A, ICES-003 Class A
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Environmental: RoHS compliant
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Efficiency: 80 PLUS Platinum certified
7. Standard Factory Package Contents
1 × Cisco PWR-C1-350WAC-P/2 power supply module
Hardware installation documentation
AC power cord sold separately; select regional C16 power cables as required.
Model Comparison Reference
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PWR-C1-350WAC-P/2: 350W 80 PLUS Platinum AC PSU, Config 1, secondary commercial variant
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PWR-C1-350WAC-P: Base standard platinum 350W AC power supply, electrically identical
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PWR-C1-350WAC: 350W standard efficiency AC PSU
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PWR-C1-350WAC/2: Secondary standard-efficiency non-platinum variant
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PWR-C1-715WAC-P: 715W Platinum high-capacity AC power supply
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PWR-C1-1100WAC-P: 1100W Platinum AC PSU for high PoE load requirements
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PWR-C1-440WDC: 440 Watt -48VDC DC-input power supply
UNSPSC Classification Code
43211702 – Network equipment internal power supply module
Hardware Warranty
Genuine Cisco original hardware carries Cisco standard one-year hardware warranty. Refurbished units follow respective supplier warranty terms.
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