The recommended amperage requirement for a tankless water heater is typically between 150 to 200 amps.
To calculate the amperage drawn by the heater, you can use the formula: Amperage (A) = Power (W) / (Voltage (V) * Square root of 3). In this case, the amperage drawn will be approximately 5.8 Amps.
Watts = Amps x Volts for a resistive load like a water heater.
To calculate the amperage for a 10kW heater on a 3-phase 220V system, use the formula: Amps = (kW x 1000) / (√3 x Volts). So, Amps = (10 x 1000) / (√3 x 220) = 26.18 amps per phase. Therefore, the total current drawn by the heater is 26.18 amps per phase multiplied by 3, which equals approximately 78.54 amps.
None.
That would be one huge wire!. I've never seen a tankless water heater being powered by a single wire. They are usually 3 separate 40 or 50 amp circuits that use three separate 2 pole breakers. Check your wiring diagram that comes with the unit.
A typical domestic water heater uses 3 kW. On a European 230 v system it would use 13 amps.
The GE water heater SE50M12AA01 is a 5500 watts or 5.5 Kilowatts water tank. The amperage on such a tank is I = W/E. Amps = Watts/Volts. Since most hot water tanks in North America use a voltage of 240, the amps will be 22.9 amps. It must be fed with a #10 conductor from a 30 amp breaker.
To determine the amperage of a 1650-watt hot water heater, you can use the formula: Amps = Watts/Volts. Assuming a standard voltage of 120 volts, the calculation would be 1650 watts / 120 volts = 13.75 amps. Therefore, a 1650-watt hot water heater uses approximately 13.75 amps.
7.5 -10
Watts is the amount of power the heater has and amps would be the draw- if it is a 120 volt heater than the amps would be 12.5 amps and it is instantaneous
30