Designed for use with Economy 7 off peak rate overnight electricity plans with the flexibility of a 24hr segment time setting dial with 15 minute switching intervals for customised programming. Features: Designed for use with Economy 7 off peak rate overnight electricity plans 24 hour Segment dial with minimum 15 minute switching intervals Complete flexibility for off-peak programming Suitable for use with single, dual or twin element immersion heaters 4 Boost demand options – 15, 30 minutes, 1 and 2 hours Output LED’s illuminate during off-peak and boost periods Quartz reserve with 150hrs memory back-up Interchangeable with Sangamo and Horstmann Economy 7 units Fits and supplied with a standard size Economy 7 wall box with industry standard plug-in connections Contact rating 13A, 230V AC 50Hz suitable for immersion heaters up to 3kW Operating temperature 0°C – +35°C Contact type: Micro-disconnection on control Disconnection to immersion heater(s) by double pole rocker switch Specifications: Permissible Loads: 13A Resistive, Suitable for Immersion Heaters up to 3kW Switch Type: Double Pole Rocker Switch Insulation: Class 1 Battery Reserve: 150 Hours EC Directives: Conforms to Latest Directives Dimensions: Height: 120mm x Width: 175mm x Depth: 70mm