The Timeguard TS900N 24 hour immersion heater time controller is easy to install, economical & convenient and boasts many features for total control of your hot water. Switch rating: 13A Resistive (3kW). Up to 24 ON and OFF programmes (additional pins required) has easy to use setting pins and has a 30-minute minimum switching interval which can be increased in 15-minute steps. Features self-cancelling override until the next programme change, for instant ON/OFF switching. The controller has bottom or rear entry for cables, making it easier when installing, and can accept 1.5mm² - 2.5mm² cable connection.