The 5094-MB mounting base is an Allen-Bradley/Rockwell Automation Flex 5000 series mounting base. It is meant to be connected to a removable terminal block to create a complete Flex 5000 terminal base. The 5094-MB mounting base's features include a system connector and a backplane connector. It also has pegs for locking into place on the removable terminal block and hardware for DIN Rail mounting. The 5094-MB mounting base weighs about 0.16 pounds and it supports convection cooling.