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This image shows a technical specification label for a Cutler-Hammer Transfer Switch, model ATV3LD330600BRU. The device is rated for 120/208 volts, 600 amps, 3 poles, and 3 phases, with a 60 Hz frequency. It was assembled in Mexico using U.S. components. The transfer switch is designed for electrical systems and is rated to handle circuits capable of delivering up to 100,000 RMS symmetrical amperes at a maximum of 240 volts. The label includes a warning that the switch must be installed according to applicable codes and manufacturers' recommendations, and when protected by upstream fuses, it has a specific maximum short circuit rating.