Compact Battery Selector Switch. Ignition protected. Requires 1/3rd less space to mount. Same bolt patterns as Popular 8500 Series. Popular 90� easy to identify position rotation. Diameter 4-3/4″, depth 1-7/8″. For use with 12, 24 and 32 volt marine electrical systems. Higher capacity – 315 amps continuous, 450 amps intermittent. Four removable skirt panels for easy cable access and mounting.