The Eaton G8064 is a non-fusible pull-out disconnect device designed for air-conditioning and heat-pump condensing units. It provides a visible means of disconnect (you can physically pull out the module to disconnect power) so that service technicians have a clear “off” state for maintenance.

It is housed in a weather-resistant outdoor enclosure (typically NEMA 3R rain-proof) making it suitable for wall-mount near an outdoor A/C unit. According to one distributor: