The Battery Disconnect Module is designed to work in conjunction with the Bird House and the Disconnecting Combiners to provide complete Emergency System shut down with the single push of a button. The system uses standard CAT5 cable between devices, we do offer a 600 volt Listed CAT5 cable. You can have multiple Combiners, Bird Houses and Battery disconnect modules on a single system. The Battery disconnect module works with 24 volt battery systems and will interface with any of our Shunt trip circuit breakers.