Welcome to the ASCO Website

Welcome to our website.

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    Surge Protection

    By cascading ASCO Surge Protective Devices (SPDs) throughout your facility, you’ll improve system and power reliability, protect your equipment and reduce costly downtime caused by power quality events.

Years of surge leadership developed by Advanced Protection Technologies ™, EDCO®, Islatrol®, and others have combined under the ASCO brand which has been a recognized leader in the power transfer and power management market since 1888.

Contact us directly @ (800) 237-4567 with any questions.

Click here to browse our rebranded products