Features: Marine battery disconnect Switches Fit into the lock system allowing it to be a stands alone unit, or locked together with other switches. Make of plastic housing, and the bolts is tinned coppers studs. Marine battery selector Switches is well suited to larger vessels and can be recesses or appearance mounted. Widely used for car, marine boats, campers, travel trailer, truck. Base is detachable for easy installation. Specifications: Materials: Plastic and Coppers Tinned Plate Model: CP3057/CP3058(Optional) Size: as shown in the picture Continuous current: 275Amps Intermittent current: 350Amps Starting current: 1250Amps Maximums voltages: 12V-48VDC Dielectrics strength: 1500VAC/1min Package Includes: 1set Disconnect Rotary 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.