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Welcome to the ASCO Website

Welcome to our website.

Generator Transfer Switches

ASCO's low and medium voltage generator transfer switches are available in automatic and manual models. They reliably transfer electrical loads between normal and emergency power sources in critical power systems for decade after decade.
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The Power of a QR Code

QR Codes enable authorized users to access transfer switch-specific documents using mobile devices. Access electronic manuals, drawings, and more … anytime … anywhere. Easier, faster, better … Unlock the power of QR Codes to streamline your transfer switch experience.
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Product Categories

ASCO 7000 Series Automatic Transfer Switch

Automatic Transfer Switches

Automatic Transfer Switches transfer loads to an alternate power source such as generators without operator input.
ASCO's range of bypass isolation transfer switches

Bypass Isolation Transfer Switches

Premium transfer switch technology enables bypass and isolation of the transfer mechanism for service without interrupting power to loads.
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Custom Transfer Switches

Custom designs provide full load switching capabilities and features such as integrated distribution breakers, bus riser compatibility, and power metering.

Featured Products

ASCO 7000 Series Automatic Transfer Switch

7000 SERIES Automatic Transfer Switch

Our most advanced solution for transferring all types of load in mission-critical applications.
ASCO 7000 Series Bypass Isolation Transfer Switch

7000 SERIES Bypass Isolation Transfer Switch

Bypass and isolation capabilities enable generator transfer switch maintenance without disrupting power flow.
ASCO 4000 Series Automatic Transfer Switch

4000 SERIES Automatic Transfer Switch

Advanced transfer switch technology and premium performance in pre-configured models that ship quickly.

Featured Content

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Digital Binder

View all our transfer switch brochures, data sheets, and technical documents in one place.

Transfer Switch Comparator

Compare features across ASCO's comprehensive range of automatic transfer switches.
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Find a Drawing

Download the latest outline and wiring diagrams for our transfer switches.

7000 SERIES Transfer Switch Overview

ASCO 7000 SERIES power transfer switches provide industry-leading solutions for transferring critical loads to emergency power sources.
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Solutions

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Data Centers

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Healthcare

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Commercial Buildings

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