Black Box 1-800-316-7107 



Quick-Connect Ethernet/Serial Surge Protector - 10BASE-T RS-422/423, 7.5-VDC Clamping Voltage, Pulse Current 132A, Terminal Strip, 6-Wire

This data-line protector couldn't be easier to install.


15 In Stock
10 Year Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Keep your network and communications devices (I/O cards, controllers, programmable logic controllers, modems, CSU/DSUs, hubs, and multiplexors) up and running.
  • Easy installation with Quick-Connect connectors right at the port just strip the cable and insert.
  • Spring-loaded design prevents wires from loosening, corroding, or becoming brittle.


  • Protection for RS-422/423/485 and 10BASE-T.
  • Low shunt capacitance to reduce signal loss.
  • State-of-the-art avalanche diode technology.

  • Tech Specs

    cUL 0
    UL 0
    CE Approval Yes
    Clamp Voltage ±7.5 V
    Size 1.5"H x 3.5"W x 5.4"D (3.8 x 8.9 x 13.7 cm)
    Weight 0.5 lb. (0.2 kg)

    * 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 warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The 10BASET RS422/423 Surge Protector 7.5VDCCV CUR132A TermStrip 6WR comes with a standard 10 Year Double Diamond™ Warranty (Standard) 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.