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APC Back-UPS CS, 500 (300-W/500-VA), Black

Shield high-performance PCs and workstations against power changes.


Limited Quantity In Stock
Typically Ships within One Week
2 YEAR DoubleDiamond™ Warranty (Standard)

*Required field

Product Features

  • Instant battery backup protects data from being lost in power outages and brownouts.
  • Full-time surge suppression safeguards against lightning and power spikes.
  • Full-time multipole noise filtering.
  • Details

  • Circuit breaker forces the UPS to disconnect itself from utility power if it detects an overload condition.
  • Two of the receptacles accept transformer blocks.
  • Includes straps to manage power cords plugged into the UPS.
  • Uses USB connection to communicate with UPS during management software installation. USB cable and software are included.
  • Site-wiring fault indicator identifies potentially dangerous wiring problems.
  • Gives you the runtime needed for you to work through power disturbances, save data, and shut down safely.
  • Three outlets provide battery backup and surge protection. Use to connect a data-sensitive computer, monitor, and external disk or CD-ROM drive.
  • Also has three surge protection-only outlets for plugging in and protecting equipment not requiring continuous operation.
  • RJ-11 ports offer lightning surge protection for any device connected to the telephone line, such as a modem or phone. Compatible with DSL and HPNA standards, as well as all modem data rates.
  • Optimized for use with Windows® 98/Me/2000/XP systems to support data reporting, data saving, and unattended shutdown of computers connected to the UPS.
  • Offers 300-watt/500-VA output power capacity.
  • What's included
  • (1) CD with software (APC PowerChute® Personal Edition)
  • cord-management straps
  • (1) USB cable
  • (1) user's manual
  • Tech Specs

    Diagnostics LEDs: On Line; On Battery; Replace Battery; Overload;
    Audible alarms: On battery, distinctive low battery alarm, overload continuous tone alarm
    Output Power 300 W/500 VA
    Outlets (3) surge plus battery backup, (3) surge only
    Protected Telephone/Fax/Modem Ports (1) RJ-11 in, (1) RJ-11 out
    Runtimes Maximum: 1 hour, 2 minutes at 50 W/80V;
    Full load: 2 minutes (300 W);
    Half load: 14 minutes (150 W)
    Surge Energy Rating 1020 joules
    Interface (1) 10-pin RJ-45 (interfaces with a computer's USB port via the included RJ-45-to-USB cable)
    Power Primary voltage: 120 VAC, 50/60 Hz
    Size 6.5"H x 3.6"W x 11.2"D (16.5 x 9.2 x 28.4 cm)
    Weight 13.8 lb. (6.2 kg)
    Warranty 2 years

    This product works with:
  • APC PowerChute PLUS Software
    Questions? Contact our FREE Tech Support.

    NOTE: Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.

  • Support


    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The APC Back-UPS CS, 500 (300-W/500-VA), Black comes with a standard 2 Year warranty already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.