HP |
200 Volts |
440-480 Volts |
---|---|---|

20 |
62.1 | 27 |

25 | 78.2 | 34 |

30 | 92 | 40 |

40 | 120 | 52 |

## What size breaker do I need for a 20 hp motor?

Full Load Current: Three Phase AC Motors

Motor Horsepower | Size Breaker | |
---|---|---|

7-1/2 | 230V 460V | 40 30 |

10 | 230V 460V | 50 30 |

15 | 230V 460V | 70 40 |

20 | 230V 460V | 100 50 |

## How many amps does a 20 HP 3 phase motor draw?

AMP DRAW BASED ON HORSEPOWER

HP | 1 Phase Amps | 3 Phase Amps |
---|---|---|

115 volt | 208 volt | |

10 | 100 | 30.8 |

15 | — | 46.2 |

20 | — | 59.4 |

## How do I convert HP to amps?

Converting horsepower to amps can be done in a few simple steps, or using this simple formula.

- Amps = (Horsepower × 746) ÷ Efficiency ÷ Volts.
- Watts = Horsepower × 746.
- Watts = Wattsη
- Amps = Watts ÷ Volts.
- Amps = HP × 746V × η × PF.

## How many amps does a 15 HP 3 phase motor draw?

Full-Load Amps: Three-Phase Alternating-Current Motors

Induction-Type Squirrel Cage and Wound Rotor (Amperes) | ||
---|---|---|

HP | 115 Volts | 208 Volts |

15 | — | 46.2 |

20 | — | 59.4 |

25 | — | 74.8 |

## What size breaker do I need for a 4 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 |

## How many amps does a 25 hp motor draw at 480 volts?

AC Motor Full Load Amperes

HP | 200 Volts | 440-480 Volts |
---|---|---|

25 | 78.2 | 34 |

30 | 92 | 40 |

40 | 120 | 52 |

50 | 150 | 65 |

## How much power does a 2 hp motor use?

How many watts does a 2 HP motors have? If a 2 horse power motor is doing 2 horsepower of work then in the load about 1500 Watts of energy is used in the load.

## How many amps does a 5 horsepower motor draw?

A 5 HP motor at 230V, 3PH is12.

Using the formula above, multiply 12.4 amps by 10% for a result of 1.24. Add this total to 12.4 for a total of 13.64 amps.

## What size breaker do I need for a 5 hp motor?

In fact code recommends a 60 amp circuit breaker for a 5 hp 230v motor, but with overload protection.

## How many horsepower is a 10 amp motor?

Common Amps to Horsepower Conversions

Amps | Horsepower | Efficiency |
---|---|---|

10 A | 1.45 HP | 90% |

15 A | 2.17 HP | 90% |

20 A | 2.9 HP | 90% |

25 A | 3.62 HP | 90% |

## How many amps does a 1.5 HP well pump draw?

For example a 1.5 HP Baldor motor turning 3450 rpm draws 13.4 amps on 120 volt service.

## 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. |

## How many amps does a 100 HP 3 phase motor draw?

Here are the Full Load Amp (FLA) values for typical 230VAC and 480VAC 3 phase motors.

Motor horsepower | Full load amps 230VAC | Full load amps 460VAC |
---|---|---|

100 | 245 | 123 |

125 | 310 | 155 |

150 | 360 | 180 |

200 | 480 | 240 |

## How much electricity does a 3 HP motor use?

3 hp is 2.2 KW. Considering 400 Volts at the terminal for 415V Motor and 85% Efficiency, it will draw 2200*0.85 i.e. Input KW =2.58 KW. Hence, the Power Consumption will be 2.58 KW at Full Load.

## What is the full load current of a 1 hp motor?

For single phase motors, NEC table 430-148 gives 230 Vac full load current of 8 amps for a 1 HP motor.