Timeguard NTT03 24 Hour 7 Day Compact Electronic Immersion Heater Timer Switch\n\nIntroducing the New range of Compact Timeswitches from Timeguard!\n\n16(4)A load rating.\n\n4 ON/4 OFF easy-set programme periods per day, 28 ON/28 OFF programmes per week.\n\nShortest switching time 1 minute.\n\nExtra large 'Easy View' screen with blue LED backlighting.\n\nRed LED 'Mains ON' and green LED 'Output' indicators for easy viewing.\n\nLarge easy push programme buttons.\n\nSelf-cancelling override button to next programme change.\n\nOptional 1 and 2 hour boost button.\n\nAutomatic Summer/Winter changeover.\n\n720 hours rechargeable memory back-up.\n\nFits a standard flush or surface mount box min. 32mm deep.\n\nSpeciification\n\nTimer Mode: 24 Hour/7 Day\n\nSetting Type: Digital\n\nOperating Voltage: 230V AC\n\nSwitch Rating 230V AC: 16A Resistive (3.68kW), Inductive 4A\n\nStand-alone LED Rating: 100W\n\nOperating Temperature: 0\u00B0C to 40\u00BAC\n\nBattery: 720 Hours Rechargeable\n\nCable 2