Cisco PWR-C1-1100WAC-P-M Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco Meraki 1100-Watt Hot-Swappable 80 PLUS Platinum AC Power Supply Module (Config 1, Meraki Qualified Variant)
SKU:PWR-C1-1100WAC-P-M
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 / Meraki MS390 switch chassis
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1100W: Maximum rated DC output power of 1100 Watts
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AC: Alternating current mains input
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P: 80 PLUS Platinum high-efficiency certification
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M: Meraki dedicated qualified variant with Meraki firmware identification
Critical Note: Electrically and mechanically identical to PWR-C1-1100WAC-P, however factory calibrated and ID-tagged for Meraki MS390 cloud-managed switches. Always utilise "-M" labelled power supplies for Meraki MS390 deployments. AC and DC power supplies cannot be mixed within one chassis.
2. Core Architecture
The PWR-C1-1100WAC-P-M is a hot‑swappable AC‑DC switching power module equipped with integrated temperature-controlled variable-speed cooling fan. It converts 115–240 VAC autoranging mains input to regulated -56 VDC output to power switch mainboard, internal fan assemblies and high-density PoE loads. It 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: This high-capacity PSU delivers ample power budget for bulk IEEE 802.3af (PoE), IEEE 802.3at (PoE+) and Cisco UPOE endpoints including Wi-Fi 6/6E wireless access points, multi-line IP phones and high-power IP surveillance cameras. 80 PLUS Platinum efficiency minimises power waste and thermal output to reduce long-term operational expenditure.
Core Product Positioning
The Cisco PWR-C1-1100WAC-P-M is a field-replaceable high-efficiency hot‑swappable AC power supply optimised primarily for Meraki MS390 cloud-managed access switches, additionally compatible with Catalyst 3850 and Catalyst 9300 series fixed switches. Suitable as primary or redundant power source for high-density PoE switch deployments. Dual PSU configuration eliminates single point of failure and supports live hot-swap module replacement without switch power interruption. Widely implemented within cloud-managed Meraki campus networks, high-density PoE access layers and mission-critical enterprise branch switching infrastructures.
3. Hardware & Software Compatibility
Supported Host Platforms
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Cisco Meraki MS390-24P, MS390-48P Series cloud managed switches
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Cisco Catalyst 3850 Series fixed-port switches (all PoE and non-PoE variants)
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Cisco Catalyst 9300 modular switches (all PoE+ and non-PoE models)
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Cisco Catalyst 9300X modular switches
Unsupported Platforms
C9200 / C9200L, C9300L, Catalyst 3650, Catalyst 9400/9500, Meraki MS other generations, ISR routers, ASA firewalls and all non‑C1‑config chassis. AC and DC power supplies cannot coexist within a single chassis.
4. Electrical & Physical Specifications
Electrical Ratings
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Input Voltage: 115–240 VAC autoranging, 50/60 Hz
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Input Current: 12 A @115 VAC / 6 A @240 VAC
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Input Connector: IEC 60320 C16
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DC Output: -56 VDC, maximum 19.64 A (1100 W)
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Minimum Hold-up Time: ≥10 ms @102.5 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
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Status Indicators: AC OK, PS OK LED indicators
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Monitoring: Status reporting via Meraki Dashboard and IOS-XE CLI / SNMP
Physical Specifications
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Dimensions (H × W × D): 40.1 × 82.6 × 348.2 mm (1.58 × 3.25 × 13.7 inch)
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Approximate Unit Weight: 1.4 kg (3.0 lb)
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)
5. 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 dynamic load sharing
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Real-time PSU health monitoring via Meraki Dashboard, IOS-XE CLI and SNMP
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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 on supported hardware.
6. Typical Deployment Scenarios
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Primary or redundant power supply for Meraki MS390 PoE/PoE+/UPOE cloud managed access switches
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Primary or redundant power supply for high-density PoE Catalyst 3850 / C9300 enterprise access switches
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Green IT enterprise deployments requiring platinum high efficiency to lower power consumption
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Campus networks deploying large fleets of Wi-Fi 6/6E wireless APs, IP phones and surveillance cameras
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Mission-critical network environments requiring non-disruptive hot-swap power module maintenance
7. Regulatory & Compliance Certifications
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Safety: UL 60950-1, IEC 60950-1, EN 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
8. Standard Factory Package Contents
1 × Cisco PWR-C1-1100WAC-P-M 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-C1-1100WAC-P-M: 1100W 80 PLUS Platinum AC PSU, Meraki dedicated qualified variant
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PWR-C1-1100WAC-P / PWR-C1-1100WAC-P/2: Standard Catalyst platinum 1100W AC power supplies
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PWR-C1-1100WAC / PWR-C1-1100WAC/2: Standard efficiency non-platinum 1100W AC power supplies
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PWR-C1-715WAC series: Medium-capacity 715 Watt Config1 power modules
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PWR-C1-350WAC series: Low-capacity 350 Watt Config1 power modules
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PWR-C1-1900WAC-P: 1900W Platinum AC PSU for heavy UPOE++ workloads
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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