Electronic instantaneous water heater - Load profile: S - Water heating - Energy efficiency class: A - Water heating - Energy efficiency in %: 39.9 - Annual electricity consumption in kWh: 461 - Temperature setting of the temperature controller (factory setting) in °C: 40 - Sound power level, inside, in dB: 16 Dimensions: - HxWxD(mm): 472 x 255 x 115 - Weight (kg): 4.4 Technical specifications: - Daily electricity consumption in kWh: 1.265 - Rated voltage in VHz: 400 350 - Rated power in kW: 21 - Fusing in A: 30-32 - Design: closed - Temperature range (°C): 0-75 - Water connection: G 1/2 Notice of use: - A 400V high-voltage connection (three-phase alternating connection) is required for the installation of this device; the assembly (water and electrical installation) as well as the i.