Black Box 1300 73 55 66 

1300 73 55 66


USB-to-USB Isolator - 4-kV, 1-Port

Protect USB devices against electrical noise, surges, and spikes.

$170.15 AUD

*Price excludes GST

5 Year Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Protects PCs and USB peripherals from damaging electrical surges and other EMI/RFI disturbances.
  • Powered from the USB port.
  • Electrical isolation protects against ground loops.


  • Isolates up to 4 kV - strong enough for hospital and medical use.
  • USB 1.1 compliant.
  • Includes 1-meter (3.3-ft.) USB cable.

  • Just plug this tiny isolator in line between your PC and a USB device to provide protection from damaging electrical surges, as well as insidious ground loops, which can be especially disruptive in measurement applications.

    Tech Specs

    cUL 0
    UL 0
    Approvals CE, RoHS
    Connectors (1) USB Type A, (1) USB Type B
    Dimensions 1.7"H x 2"W x 0.8"D (4.3 x 5.1 x 2 cm)
    Operating temperature -40 to +176° F (-40 to +80° C)

    * 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.



    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 no-questions-asked warranty that protects your Black Box® brand products* from faulty workmanship and defects.

    During the warranty period, Black Box Network Services will repair or replace your faulty equipment 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 1300-734-455.

    ** Certain products may not be eligible.