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Generator Transfer Switches

Stay efficient and in business during power outages with Grainger's line of automatic and manual generator transfer switches. 1- and 3-phase automatic switches immediately provide electrical power when a utility source fails. Load control center allows you to use a smaller generator for robust overload protection. Manual generator panel features a sub panel that connects directly to the main load center. We've also got manual transfer switches and an upgradable transfer switch that can be converted to an automatic standby transfer witch. Outfit your warehouse with generator transfer switched from Grainger and let us help you stay powered up.

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