240 VAC 50-Amp Switch, AC Connectors: Screw-type wiring Terminals. Automatically senses generator power and prevents two power sources from entering the AC Distribution Panel at the same time. Features Time delay circuit board ensures generator voltage is at a stable level before transfer occurs. Rugged, heavy duty, screw type wiring terminals ready to wire to contactor base. Ensure ease of wiring and preventswiring errors. Easy to remove protective cover with wiring schematic inside. Metal enclosure for extra safety. AC Detect option available for auto generator start compatibility. 70 Amp neutral rating. 1 year limited warranty. Specifications Voltage: 240 VAC Amps: 50 Amps Metal Box Dimensions: 10.38″ L x 6.88″ W x 4.5″ H Metal Box Weight: 7 lbs. 50A 120/240V Automatic Transfer Switch