48801 ZP3AB-RL8 8 way relay boardZiton ZP3AB MA8 Eight Way Programmable Sounder Driver Board The ZP3AB MA8 is one of a series of additional, auxiliary boards designed to extend the ZP3 panel standard range of input output facilities. Boards are modular in design, and are mounted inside the ZP3 panel enclosure, by means of a ZP3 AC1 auxiliary chassis. The ZP3AB MA8 is designed to extend a standard ZP3 control panel by a further 8 alarm outputs, each individually programmable. The