PWR-C2-640WDC=, Cisco PWR-C2-640WDC= Power Supply, 640W DC Output/Hot-swappable/Config 2

  • Brand: Cisco
  • Model: PWR-C2-640WDC=
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4.6/5.0
List Price: $698.00
4% OFF
$670.00
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    Overview
    End-of-Life Notice
    End-of-Life Notice
    PWR-C2-640WDC= is officially EOL. Service support ends on 2026-10-31.
    For full lifecycle details, see PWR-C2-640WDC= EOL.

    Cisco PWR-C2-640WDC= Overview

    The Cisco PWR-C2-640WDC= is a carrier-grade DC power supply accessory designed for Cisco switches requiring reliable -48V DC input. Delivering up to 640W output with hot-swappable capability, it helps distributors and integrators build resilient power architectures for enterprise and service provider networks across Asia, Europe, Africa, and North America. With wide -36VDC to -72VDC input support, high MTBF, and compact dimensions, this Cisco power module is ideal for stable, energy-efficient deployments in demanding environments.

    Product Highlights

    640W
    Max Power
    -36~-72V
    DC Input
    500,000h
    High MTBF

    Product Applications Scenarios

    Data Center
    The 640W DC power module delivers stable, redundant power for data center switches, reducing unplanned downtime and simplifying maintenance in multi-rack environments.
    Enterprise Network
    Hot-swappable DC input supports continuous operation of core and access switches in enterprise networks, cutting service interruptions during planned power module replacement.
    Service Providers
    Wide -36VDC to -72VDC range suits telecom central offices, ensuring reliable switch power delivery and helping operators standardize DC infrastructures across sites.

    Product Features Comparison

      Cisco Cisco Cisco Cisco
    Model PWR-C2-640WDC=, Cisco PWR-C2-640WDC= Power Supply, 640W DC Output/Hot-swappable/Config 2 PWR-3900-DC=, Cisco 3900 Series Power Supply, DC Input/Hot Swappable/No Fan C3KX-PWR-1100WAC/2, Cisco Catalyst 3560-X Power Supply, 1100W AC/Secondary/Spare C3KX-PWR-715WAC, Cisco Catalyst 3560-X Power Supply, 715W AC/Hot-swappable/Spare
    Brand Cisco Cisco Cisco Cisco
    Compatible Models n/a Cisco 3900 Series Router Catalyst 3K-X Series Cisco 3560-X Series Switches
    Accessory Type Power Supply Power Supply Spare Power Supply Power Supply
    Connector Type Terminal strip n/a Standard AC power socket n/a
    Mounting Method n/a Rack mount 1U Plug-in Module
    Certification n/a IEC 60950-1, UL 60950-1 RoHS, WEEE n/a

    Optional Add-ons

    Model Number Description
    CAB-AC= Cisco CAB-AC= AC power cord for connecting Cisco power supplies to North American mains.
    CAB-C15-ACE Cisco CAB-C15-ACE European AC power cord, C15 to CEE 7, for data center and enterprise racks.
    C4AWGBL00 Huawei C4AWGBL00 600V 4AWG power cable for high-current DC power distribution to network gear.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco PWR-C2-640WDC= Specification

    Model
    PWR-C2-640WDC=
    Brand
    Cisco
    Power Supply Rated Maximum
    640W
    Total Output BTU (Note: 1000 BTU per hr = 293 W)
    2188 BTU/hr, 640W
    Input-Voltage Range and Frequency (Note: ±10% of "Input-Voltage Range”)
    -36VDC to -72VDC
    Input Current
    21 - 10.5 A
    Output Ratings
    12V @ 20.83A -54V @ 7.36A
    Output Holdup Time
    > 2ms@-48VDC
    Power-Supply Input Receptacles
    Terminal strip
    Power Cord Rating
    20A @ 100VDC
    Physical Specifications
    (H x W x D): 1.58 X 3.75 X 11.75in (4.0 x 9.5 x 29.8cm) Weight: 2.75 lb (1.25 kg)
    Operating Temperature
    For the operating temperature ranges at various altitudes of AC and DC power supply module powered switches, see Table 1.
    Storage Temperature
    -40 to 158°F (-40 to 70°C)
    Relative Humidity Operating and Nonoperating Noncondensing
    5 to 96% noncondensing
    Altitude
    16,400 ft. (5,000 meters)
    MTBF
    Calculated MTBF must be greater than 300,000 using Telcordia SR-332, Method 1, Issue 3. Demonstrated MTBF is 500,000 hr (with 90% confidence level).
    EMI and EMC Compliance
    “AC OK”: Input power to the power supply is OK “PS OK”: Output power from the power supply is OK
    Safety Compliance
    For the operating temperature ranges at various altitudes of AC and DC power supply module powered switches, see Table 1.
    LED Indicators
    -40 to 158°F (-40 to 70°C)
    Weight
    2.4 kg

    Get more information

    Discover unbeatable prices and fast shipping for the PWR-C2-640WDC=, Cisco PWR-C2-640WDC= Power Supply, 640W DC Output/Hot-swappable/Config 2 . Access the detailed PWR-C2-640WDC=, Cisco PWR-C2-640WDC= Power Supply, 640W DC Output/Hot-swappable/Config 2 datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

    Quality Certifications

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    Q&A

    Questions & Answers

    What accessories are recommended with the PWR-C2-640WDC=?

    It is recommended to use compatible power cables and mounting brackets specific to the Catalyst 3650 series.

    What is the main application scenario of the PWR-C2-640WDC=?

    The PWR-C2-640WDC= is primarily used in enterprise networks needing reliable power for Catalyst 3650 switches.

    How does the PWR-C2-640WDC= compare to the 250W variant?

    The PWR-C2-640WDC= provides more power output, suiting larger or power-demanding Catalyst 3650 deployments compared to the PWR-C2-250WAC=.

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