How do you convert HP to amps?
How do you convert HP to amps?
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. Thus, horsepower is equal to the current in amps times the voltage in volts times the efficiency times the power factor, divided by 746.
How many HP is a 2.1 amp motor?
AMP DRAW BASED ON HORSEPOWER
| HP | 1 Phase Amps | 3 Phase Amps |
|---|---|---|
| 115 volt | 460 volt | |
| 1/2 | 9.8 | 1.1 |
| 3/4 | 13.8 | 1.6 |
| 1 | 16 | 2.1 |
How do you calculate amps from motor HP?
How to use the hp to amps calculator?
- Estimate the power in watts (the nominator of the expression), 1 hp * 746 = 746 W ;
- Evaluate the product in the denominator, 200 V * 0.92 * 90% = 165.6 V .
- Make a fraction of these numbers and find the final horsepower to amps value, 746 / 165.6 = 4.505 A .
What size breaker do I need for a 5 hp motor?
30 Amp
A 5hp single phase AC motor has a load current of 28 Amps. So 10GA. wire with a 30 Amp breaker will work.
How many amps is a 1/6 hp motor?
AC Motor Full Load Amperes
| HP | 110-120 Volts | |
|---|---|---|
| 1/10 | 3 | 1.5 |
| 1/8 | 3.8 | 1.9 |
| 1/6 | 4.4 | 2.2 |
| 1/4 | 5.8 | 2.9 |
How many HP is 9.5 amps?
Here are the typical Full Load Amps (FLA) for 220VAC and 120VAC 1 phase 60hz electric motors
| Motor horsepower | RPM | Full Load Amps |
|---|---|---|
| 3/4 | 3450 | 11.8 |
| 1725 | 11.6 | |
| 1075 | 9.5 | |
| 1 | 3450 | 13.0-15.0 |
How many HP is 3.5 amp?
Common Horsepower to Amps Conversions
| Horsepower | Amps | Efficiency |
|---|---|---|
| 2 HP | 13.8 A | 90% |
| 2.5 HP | 17.3 A | 90% |
| 3 HP | 20.7 A | 90% |
| 3.5 HP | 24.2 A | 90% |
How many amps is a 25 hp motor?
AC Motor Full Load Amperes
| HP | 200 Volts | 550-600 Volts |
|---|---|---|
| 20 | 62.1 | 22 |
| 25 | 78.2 | 27 |
| 30 | 92 | 32 |
| 40 | 120 | 41 |
How big is a 400 hp electric motor?
Used Siemens 400 HP electric motor with following features: • 3572 RPM • 4000 Volts • 51 Amps • 3 Phase • 60 Hz • 1.15 Service Factor • F-VPI Enclosure • 509S Frame • CGZ Type • Weight 4,200 lbs • Dims 62″Lx44″Wx32″H Yr1993, w/coupling and control box, Cont. Duty
How many amps does a 230 volt motor have?
230 volts motor – single-phase : 7 amps/hp. 230 volts motor – 3-phase : 2.5 amps/hp. 460 volts motor – 3-phase : 1.25 amps/hp. Always check nameplate information before designing protective devices, wiring and switch gear.
How many amps does a 460 volt motor have?
460 volts motor – 3-phase : 1.25 amps/hp Always check nameplate information before designing protective devices, wiring and switch gear. Single-Phase Motors – HP and Full-Load Currents A motor of a given rated horsepower is expected to deliver that quantity of mechanical power at the motor shaft.
How many amps are in a single phase motor?
As a “rules of thumb” amps horsepower rating can be estimated to 115 volts motor – single-phase : 14 amps/hp 230 volts motor – single-phase : 7 amps/hp 230 volts motor – 3-phase : 2.5 amps/hp