Automatic Transfer Switches
Automatic Transfer Switches switch loads to an alternate power source without operator input.
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Product Categories
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Bypass Isolation Transfer Switches
Bypass features enable the transfer switch mechanism to be isolated for service without disrupting power to loads.
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Manual Transfer Switches
Simple, cost-efficient switches for operator-initiated load transfer, with optional integrated quick connects.
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Service Entrance Transfer Switches
Transfer switches with integrated utility service breakers require less space, streamline installation, and reduce overall installed cost.
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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.
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Featured Products
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7000 SERIES Automatic Transfer Switch
Our most advanced method of transferring all types of load in mission critical applications.
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7000 SERIES Bypass Isolation Transfer Switch
Available in open, closed and delayed transition designs allowing maintenance with no interruptions.
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SERIES 300 Manual Transfer Switch with Integrated Quick Connects
Removable transfer switch mechanism enables service without interrupting power to loads.
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4000 SERIES Automatic Transfer Switch
Premium performance in pre-configured solutions that ship quickly.
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Featured Content
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Digital Binder
View all our transfer switch brochures, data sheets, and technical documents in one place.
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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.
Go to Switch Drawing Library
