The Generac 9979 automatic transfer switch is a 400A service entrance rated unit with a factory-installed whole-home surge protection device for standby power applications. This model is suited for installations that require high-capacity service entrance equipment and coordinated backup power operation. This hardened transfer switch control with the all new Fuse Control Module has been purposely designed to combat harmful utility power disturbances such as brownouts, while ensuring reliable automatic transfer performance. Designed to give options as to whether to install indoors or outdoors, this durable enclosure protects the internal components of the switch from rain, snow, ice, and debris to ensure lasting reliability.
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