Features: The switches maximums current is 63A, and the maximums working voltages is 380V, supporting medium scale electrical setups. This double throw power supply safety control switches combines coppers conductors with protective ABS casing. Prewired terminals on the 3 Poles double throw switches allow directly connection without complex adjustments or additional component. The switches links main and backups circuits simultaneously for continuous power transfer, engineered to manage high load electrical transition. The double throw switches conversion between industrial facilities, residential appliances, and independent power circuits. Specifications: Materials: PC and ABS Polars number: 3 Poles Current: 63A Voltage: 380V Size: as shown in the picture Package Includes: 1pc Double Throw Switches note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.