PowerBox PBR-12X Ultra-Compact Servo Distributor for many Radio Systems 8260PowerBox PBR 12X Ultra compact servo distributor for many Radio Systems 8260 Replaces the Powerbox Expander The PBR 12X is ideal for use in any model where space is limited, but where a large number of channels is required. The square arrangement of the servo sockets allows the PBR 12X to fit even in very narrow fuselages, such as those of, F5J and F3B gliders. The integral electronic switch is operated using our MicroSwitch. If there is no space for