50 Hp Electric Motor Amps
Use this table as a guide only.
50 hp electric motor amps. 115 volts motor single phase. Thus the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power factor. After the steps above the final formula for converting horsepower to amps is. 1765 rpm 575 volts 29 6 amps 3 phase 60 hz 1 15 service factor tefc enclosure 286lp frame p type weight 465 lbs dims 50 hp 1765 rpm 3 phase.
Always check nameplate information before designing protective devices wiring and switch gear. 230 volts motor single phase. The actual motor amps may be higher or lower than the average values listed above. Amps amount of the rate of flow of electricity whereas horsepower measurement of work divided by time.
Amperes amps and horsepower hp are the electric motor s rating methods. It might have a power factor of 0 8 so the va drawn would be 51 8 kva which is 17 3 kva on each phase. As a rules of thumb amps horsepower rating can be estimated to. Amps to hp calculator.
Select the number of phases from the drop down list. Horsepower ac induction motors single phase three phase 115 volt 230 volt 200 volt 230 volt 380 415 volt 460 volt 575 volt. 230 volts motor 3 phase. The conversion from amps a measure of electric current to horsepower a measure of power output by a motor can be done using a fairly simple formula.
Related mobile apps from the engineering toolbox. Horsepower i a v v η pf 746. Hp to amperes horsepower amps with this calculator you can easily convert here you will find the main formula how to perform the conversion illustrated examples and a specialized table with the conversions according to the nec. This motor full load amperage fla calculator allows you to calculate the full load current of the ac electric motor.
Fla full load amps amount of current drawn when full load torque and horsepower is reached for the motor fla is usually determined in laboratory tests note. Thus horsepower is equal to the current in amps times the voltage in volts times the efficiency times the power. Amps hp 746 v η pf. Rla running load amps current drawn during normal operation of electric motor.
Enter the motor rated voltage in volts v enter the motor power rating and select the appropriate unit hp or kw enter the power factor and efficiency of the. In the calculator above fla is rla 25. For more reliable motor protection use the actual motor current as listed on the motor nameplate. 460 volts motor 3 phase.
50 hp is 37 3 kw so allowing for a 90 coversion efficiency the motor draws 41 4 kw.