Hp to amps calculator 3 phase. I a 1000 p kw v v. One amps is equal to one coulomb per second. A three phase 1hp motor with an efficiency of 85 a voltage of 220vac and a power factor of 085 has an amperage of 271 amp. 460 volts motor 3 phase.
Converting horsepower to amps can be done in a few simple steps or using this simple formula. Hp to amps calculator is used to calculate the amperes from horsepower of the motor is known. Continue reading to see how this formula was derived. Rla running load amps current drawn during normal operation of electric motor.
3 phase 480 volt at 60hz 1 phase 240 volt at 60hz starting sequence motor hp. Hp to amps amperes conversion calculator formula table chart. This online horsepower to amps unit calculator allows you to convert electric motor hp to amps value in order to identify the value of electrical intensity based on the known hp efficiency voltage. A three phase 15hp motor with an efficiency of 85 a voltage of 220vac and a power factor of 085 has an amperage of 406 amp.
Ampere is an si unit of measurement of electric current. Fla full load amps amount of current drawn when full load torque and horsepower is reached for the motorfla is usually determined in laboratory testsnote. Amps horsepower 746 efficiency volts. Ac single phase kilowatts to amps calculation.
How many amps does a 15 hp motor. For ease we explain how to convert from hp to amps in only 3 step that the formula is used for the calculation some examples and a table with the main conversions of hp to amps. Dc kilowatts to amps calculation. The first step to convert hp to amps is convert hp to watts.
Convert horsepower to watts. As a rules of thumb amps horsepower rating can be estimated to. You can use the electrical calculator to find the current in single 2 and 3 phase motor circuits as well as in dc circuits. With this calculator you can convert online from hp to amps or amperes to hp automatically easily quickly and free.
The current i in amps a is equal to 1000 times the power p in kilowatts kw divided by the voltage v in volts v. Always check nameplate information before designing protective devices wiring and switch gear. 230 volts motor 3 phase. Fill in the hp of the motors in their starting sequence.
115 volts motor single phase. Transformer calcuator calculates kva voltage and amps. Related mobile apps from the engineering toolbox. Amps to kw calculator use e for scientific notation.
Put this calculator on your website. How many amps are in 1 hp. In the calculator above fla is rla 25. Amps to watts electrical conversion calculator convert the amps to watts with our electfical conversion calculator plus learn the formulas for dc single phase ac and three phase ac circuits.