| HP | 1 Phase Amps | 3 Phase Amps |
|---|---|---|
| 115 volt | 208 volt | |
| 10 | 100 | 30.8 |
| 15 | — | 46.2 |
| 20 | — | 59.4 |
What size breaker do I need for a 10 hp motor?
Full Load Current: Three Phase AC Motors
| Motor Horsepower | Size Breaker | |
|---|---|---|
| 5 | 230V 460V | 15 15 |
| 7-1/2 | 230V 460V | 40 30 |
| 10 | 230V 460V | 50 30 |
| 15 | 230V 460V | 70 40 |
How do I convert HP to amps?
Convert to Amps
- Amps = 1 HP × 746 W120 V × .9.
- Amps = 746120 V × .9.
- Amps = 746108.
How many amps does a 12v 1hp motor draw?
0.2 HP = 17 amperes. 0.5 HP = 42 amperes. 1.0 HP = 85 amperes.
How do you calculate amps on a motor?
Given horsepower and volts, it is possible to calculate amps. The calculation of amps uses Ohm’s Law, which is amps times volts equals watts. Multiply the horsepower by 746 watts. For example, an engine at two horsepower with 230 volts would be calculated as two horsepower times 746 watts, which equals 1492.
What size breaker do I need for a 1 hp motor?
How to Calculate How What Size Circuit Breaker a Machine will Need:
| HorsePower of Main Motor | 220 Volts, 1 phase | 220 Volts, 3 phase |
|---|---|---|
| 1 Hp | 5.6 Amps | 2.8 |
| 2 | 11.2 | 5.6 |
| 3 | 16.8 | 8.4 |
| 4 | 22.4 | 11.2 |
What size breaker do I need for a 40 hp motor?
Full-Load Current and Circuit Protection Data for Three-Phase AC Motors
| Motor Horsepower | Breaker Size | |
|---|---|---|
| 20 | 230 V 460 V | 100 50 |
| 25 | 230 V 460 V | 100 50 |
| 30 | 230 V 460 V | 125 70 |
| 40 | 230 V 460 V | 175 100 |
How many amps does a 1 HP pool pump draw?
1 HP is 746 watts x 1.5 HP = 1,119 watts. 1,119watts ÷ 120volts= 9.325 amps.
How much current would a 1.5 HP 240v motor draw?
The 1.5 HP Baldor motor that turns at 1725 will draw 18 amps according to its name plate.
How much current can a 5 hp motor take?
Full-Load Current in Amperes Single-Phase Alternating Current Motors
| HP | 115V | 230V |
|---|---|---|
| 5 | 56 | 28 |
| 7-1/2 | 80 | 40 |
| 10 | 100 | 50 |
| The voltages listed are rated motor voltages. The listed currents are for system voltage ranges of 110 to 120 and 220 to 240. | ||
What size breaker do I need for a 3 HP motor?
What size breaker do I need for a 3 HP motor? A 20 amp breaker is all you’d ever need for a 220v 3HP motor. It wouldn’t hurt anything to run 30amp circuits if you so choose, but it’s overkill.
How many amps will a motor draw?
Amps = (Horsepower × 746) ÷ Efficiency ÷ Volts. Watts = Horsepower × 746. Watts = Watts ÷ Efficiency. Amps = Watts ÷ Volts.
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How many amps does a hp motor draw?
| Horsepower | Amps | Voltage |
|---|---|---|
| 1 HP | 6.91 A | 120 V |
| 1.25 HP | 8.63 A | 120 V |
| 1.5 HP | 10.4 A | 120 V |
How many amps does a 40 hp motor draw?
AC Motor Full Load Amperes
| HP | 200 Volts | 440-480 Volts |
|---|---|---|
| 20 | 62.1 | 27 |
| 25 | 78.2 | 34 |
| 30 | 92 | 40 |
| 40 | 120 | 52 |