# How many amps does a 3kw motor use?

## How many amps does a 3kw motor use?

Three Phase Motors

MOTOR RATING HP
1.1 kW 1.5 4.5
1.5 kW 2 5.8
2.2 kW 3 8.7
3.0 kW 4 11

## How do you calculate the full load current of a motor?

Formula used in Motor full load current calculator

1. Single Phase AC Motor FLA (Amperes) = (P [kW] × 1000) / (V × cos ϕ)
2. Single Phase AC Motor FLA (Amperes) = (P [HP] × 746) / (V × cos ϕ × η)
3. Three Phase AC Motor FLA (Amperes) = (P [kW] × 1000) / (V × 1.732 × cos ϕ)

What is Table motor full load current?

AC Motors – full load current tables (1500rpm approx.) The tables are based on motors of approximately 1500rpm of average efficiency and power factor. Motors of higher speed usually take a lower current than that shown in the table; while motors of lower speed usually take higher current.

### What is full load current of a 3 phase motor?

For three-phase, full load current for the resistive load is equal to the three-phase power divided by 1.732 times of voltage. Here power factor will be unity for resistive loads. Full load current I, I =P.

### How do you calculate kW to amps?

For any single-phase AC circuit, Current, I = 1000 x kW / (Vac x P.F.) Therefore, amps can be calculated from AC – kW by dividing kW by the product of the RMS value of applied AC voltage and power factor and multiplying it by 1000.

How many kW are in a amp?

One of the most frequently needed electricity conversions is kW (kilowatts) to Amps….kW To Amps Calculator: Convert Killowatts To Amps (+3 Examples)

Power (kW) Voltage (220 V) Amperage (A)
1 kW to Amps: 220 V 4.55 Amps
2 kW to Amps: 220 V 9.09 Amps
4 kW to Amps: 220 V 18.18 Amps
6 kW to Amps: 220 V 27.27 Amps

## How do you calculate kW in a 3 phase circuit?

kW = √3 × PF × A × V / 1000 The power (kW) equals the square root of three (√3) multiplied by the power factor (PF) times the current (Amps or A), times the line-to-line RMS voltage (V) divided by 1000.

## How do I convert kW to amps?

How many amps are in a kW?

4.55 Amps
One of the most frequently needed electricity conversions is kW (kilowatts) to Amps. kW is a unit of measure of electrical power (wattage)….kW To Amps Calculator: Convert Killowatts To Amps (+3 Examples)

Power (kW) Voltage (220 V) Amperage (A)
1 kW to Amps: 220 V 4.55 Amps
2 kW to Amps: 220 V 9.09 Amps

### How do you calculate 3 phase load current?

A = 1000 × kW / (3 × PF × V) For a 3-phase power supply calculation, you need to multiply 1000 by the power (kW), divided by three times the power factor times line-to-neutral RMS voltage (V).

### What is full load current?

Definition of ‘full load current’ A full load current is the largest current that a motor or other device is designed to carry under particular conditions. The starters shall be suitably rated to continuously carry the full load current of the motor and also accept the starting current surges without tripping.