A device for disconnecting electrical power from a first stack of meter modules, wherein the power is supplied by a main box that also supplies power to a second stack of meter modules. The device includes an incoming bus section for receiving power from the main box and an outgoing bus section for feeding power to the first stack of modules. In addition, the device includes a cross bus device connected to the incoming and outgoing bus sections and a circuit breaker connected to the cross bus device. When the circuit breaker is closed, power is supplied to the first and second stacks of modules. When the circuit breaker is opened, power to the first stack of modules is disconnected while power to the second stack of modules is maintained.