how many amps is 5500 watts at 240 volts

That would be 22 amps at 240 volts. The phase current I in amps (A) is equal to the power P in watts (W), divided by the power factor PF times the RMS voltage V in volts (V):. Since this is a purely resistive load 5500 watts at 240 volts is 23 amps, breaker is sized at 30 amps and 10 awg wiring is used. AC single phase watts to amps calculation. Your tripping problem is the 20 amp breaker, 20 amps at 240v would be 4800 watts. In a US household, the current draw for a 1500 watt water heater is 12.5 amps. Thus, to find amps substitute the volts and watts in the formula: Current (A) = Power (W) ÷ Voltage (V) For example, find the amperage of a 100 watt light bulb at 120 volts. You have stated that the calculated amperage load for 4500watt at 240volts is 18.75amps, however NEC Article 422.13 states that the minimum circuit rating for a water heater must be 125% of the rated load, so this 4500watt load requires a minimum circuit of 23.44 amps … Rearranging we have amps = 4500 / 240 = 18.7 DC watts to amps calculation. The National Electrical Code requires a 125% rated circuit for storage type water heaters, which would be a 30 amp circuit (5500 / 240 = 22.9, 1.25 x 22.9 = 28.64), and that would require the larger #10 wire, just like the water heater instructions say. 4500 = 240 x amps. Site Links. EasyUnitConverter.com V1.2. The power … About Us; Contact Us; FAQ's ; That heater is rated at 5500 watts. 12 volts: 230 watts: 19.167 amps: 12 volts: 240 watts: 20 amps: 12 volts: 250 watts: 20.833 amps: 12 volts: Note: conversions are for guide-purposes only and are rounded to maximum 3 decimal places. I want to be able to power my well water pump but I'm getting conflicting answers on whether this generator packs enough power. To find the current rating of the water heater, divide the power output with the voltage potential that the device is working on. In terms of the hosepipe example, this would refer to the amount of water being released. Examples for converting watts to amps. In your case if the elements are strapped for 4500 watts draw is 18.75 amps, permanent draw loads should be sized at 80% of breaker capacity so a 20 amp breaker is limited to 16 amps. It is fine on 120 volts since 5500 watts on 120 is only 1375 watts or 11 amps. The higher the wattage is, the more power and output from the appliance. I (A) = P (W) / (PF × V (V)). Since this is a purely resistive load 5500 watts at 240 volts is 23 amps, breaker is sized at 30 amps and 10 awg wiring is used. The current I in amps (A) is equal to the power P in watts (W), divided by the voltage V in volts (V):. Assuming just a resistive load and no blower motor the Power Factor will be one. You can not hook that up with 14/2 cable it needs 10/2 to run on 240 volts. I have a 120/240 volt generator with an output of 3250 watts peaking at 3750. In your case if the elements are strapped for 4500 watts draw is 18.75 amps, permanent draw loads should be sized at 80% of breaker capacity so a 20 amp breaker is limited to 16 amps. Volts x amps = watts. For All Type of Online Calculator & Metric Conversions. If the heater is used by drawing power from a normal wall socket, the specified voltage will be 120 volts in the USA. Therefore, watts = volts x amps. 12 volts: 230 watts: 19.167 amps: 12 volts: 240 watts: 20 amps: 12 volts: 250 watts: 20.833 amps: 12 volts: Note: conversions are a guide only and are rounded to max 3 decimal places. Amps multiplied by Volts equals Watts, which is the measurement used to determine the amount of energy. I (A) = P (W) / V (V). I'm also unsure how large my well pump is but everything else in the house is pretty standard so I'm going to say between 3/4 and 1 hp.

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