Siemens SW1224L1125 is a Type 3R outdoor load center designed for safe and efficient power distribution. It supports a maximum amperage of 125A, compatible with 120/240V and 208Y/120V electrical systems. It can function as service equipment when a main breaker is installed or when there are not more than six main disconnecting means. The panelboard has a maximum short circuit current rating of 100,000 amps RMS symmetrical at 120/240V, dependent on the installed branch breakers. It accommodates various Siemens breaker types, including QP, QPH, HQP, QT, and QG, among others.