Square D All in One devices are single phase power distribution panels ideal for residential use for when the local codes allow main breaker load centers to be mounted outside. These devices come with a meter socket that supports a standard utility meter, a main disconnect and a load center distribution with spaces up to 42 circuits. QO All in One products are single compact solution provides a time and space saving solution for contractors and installers as well as meet a wide range of applications in use today. This All in One is designed for QO range, has a 30 spaces, is rated at 200 A and has a short circuit current rating of 22 kA. This device has no bypass type, uses a ringless meter socket type and can be service feed either overhead or underground. This CSED uses lugs on both the line and service ground side of the device, has a wire range of 6 AWG to 350 kcmil on the line side and 8 to 2/0 AWG on the service ground side. It is UL rated.