Automatically transfers power to your generator during an outage;Compatible with all KOHLER generators;User-friendly LED display indicates performance status;Ideal for adding generator to buildings with previously installed electrical;Options available to install indoors or outdoors;Available in service entrance models;Provides quiet weekly exercise with complete system diagnostics;Steel or aluminum enclosures available;5-year, 2000-hour limited warranty;400-amp models available, with or without load centers;Volts: 240;Poles: 2