Modular 1/2 footprint plate which fits into the Controller 6000, allowing the mounting of up to:

• 2 x  Gallagher HBUS 8 In 2 Out Door Modules (C300660)
• 2 x  Gallagher HBUS 8 Input Boards (C300680)
• 1 x  Gallagher HBUS 8 In 4 Out Board (C300684)