V l l voltage line to line.
15 hp electric motor 3 phase amps.
Always check nameplate information before designing protective devices wiring and switch gear.
T ftlb p hp 5252 n 1b.
Motor current rating chart series ca4 ca7 ca6 ca5 the information in this chart was derived from table 430 148 430 150 of the nec and table 50 1 of ul standard 508a.
V l n voltage line to neutral.
T inlb torque in lb f.
Looking for dayton 15 hp general purpose motor 3 phase 1770 nameplate rpm 230 460 voltage 254 6t frame 4gzc4.
T inlb p hp 63025 n 1.
115 volts motor single phase.
Multiply hp horsepower by 746.
230 volts motor 3 phase.
I ac2ø current ampere 2 phase.
T ftlb torque lb f ft.
Example if you have 100 hp multiply by 746.
Horsepower ac induction motors single phase three phase 115 volt 230 volt 200 volt 230 volt 380 415 volt 460 volt 575 volt.
Determine the current flowing through a three phase 2 hp 400 volt motor having an efficiency rating of 93 and a power factor of 0 9.
N revolution per minute rpm alternatively.
How to convert hp to amp ac 3 phases in only 3 step.
Torque in imperial units can be calculated as.
This item 3 hp 3450 rpm single phase 56 frame 230v 15 amp 5 8 shaft nema compressor motor 3 hp horse power single phase weg heavy duty electric compressor motor 10698252 new 3 7hp compressor duty electric motor 56 frame 3450 rpm 5 8 shaft diameter nema rated motor replaces 5hp spl motors rated 15 17amps.
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The actual motor amps may be higher or lower than the average values listed above.
P hp horsepower delivered by the electric motor hp.
As a rules of thumb amps horsepower rating can be estimated to.
Amps hp 746 v η pf thus the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power factor.
Use this table as a guide only.
For more reliable motor protection use the actual motor current as listed on the motor nameplate.
230 volts motor single phase.
V dc voltage direct current.
Three phase amps hp 746 e age efficiency pf 1 73 example.
1 ft lb f 1 356 nm.
460 volts motor 3 phase.
3 phase 60 hz motor full load amps locked rotor current estimate select hp 0 5 hp 0 75 hp 1 hp 1 5 hp 2 hp 3 hp 5 hp 7 5 hp 10 hp 15 hp 20 hp 25 hp 30 hp 40 hp 50 hp 60 hp 75 hp 100 hp 125 hp 150 hp 200 hp 250 hp 300 hp 350 hp 400 hp 450 hp 500 hp select voltage 200 vac 208 vac 230 vac 460 vac 575 vac 2300 vac 4000 vac.
Electrical motor power velocity and torque equations.