Crabtree Starbreaker Miniature RCBO is a plug-in MCB sized, for use in domestic household premises and similar installations. Starbreaker miniature RCBO brings higher levels of safety to an electrical installation and its users because it includes switched neutral as standard and bring cost savings by reducing installation and testing times. Starbreaker Miniature RCBO with switched neutral built in as standard will fully isolate a faulty or damaged circuit by disconnecting live and neutral conductors. Miniature RCBOs take up less space in the consumer unit and so provide more wiring space for the installer, making the installation process easier and quicker. It can go one step further, It has switched neutral built in as standard, live and neutral conductors do not have to be disconnected for insulation resistance testing. This saves time and money, particularly for responsible landlords who regularly test installations during occupancy voids. Using Starbreaker Miniature RCBO will guarantee that healthy circuits remain in service and that only a faulty circuit is switched off. This avoids danger and prevents inconvenience in the event of a fault (as required by regulation 314.1).