Table of Contents
AC Motor Full Load Amperes HP 200 Volts 550-600 Volts 40 120 41 50 150 52 60 177 62 75 221 77.
How many amps is 60 horsepower?
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 60 149 75 75 180 90 100 245 123 125 310 155.
What size breaker do I need for a 50 hp motor?
Full-Load Current and Circuit Protection Data for Three-Phase AC Motors Motor Horsepower Breaker Size 40 230 V 460 V 175 100 50 230 V 460 V 200 150 60 230 V 460 V 250 200 75 230 V 460 V 300 200.
How do I convert HP to amps?
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.
How many amps does a 30 HP 3 phase motor draw?
AMP DRAW BASED ON HORSEPOWER HP 1 Phase Amps 3 Phase Amps 115 volt 208 volt 20 — 59.4 25 — 74.8 30 — 88.
How many HP is 15 amps?
At 100% efficiency, the most a 15-amp, 120v outlet in a home circuit can supply is 15 x 120 or 1800w; 1800 divided by 746 equals 2.41 hp.
How many horsepower is 2.5 amps?
Common Horsepower to Amps Conversions Horsepower Amps Voltage 2.5 HP 17.3 A 120 V 3 HP 20.7 A 120 V 3.5 HP 24.2 A 120 V 4 HP 27.6 A 120 V.
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.
What size breaker do I need for a 2 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 7.5 hp motor?
You need 50 amp rated wire with a 50-100 amp breaker. 7.5hp=40 amps x 250%=100 amp breaker on #8 Thhn. If a 100amp breaker isn’t sufficient to start the motor without tripping I can then go up to a maximum of 400% of the motor rating.
How many amps is a 40 hp motor?
AC Motor Full Load Amperes HP 200 Volts 550-600 Volts 25 78.2 27 30 92 32 40 120 41 50 150 52.
How many HP is a 3 amp motor?
Common Amps to Horsepower Conversions Amps Horsepower Efficiency 3 A .43 HP 90% 4 A .58 HP 90% 5 A .72 HP 90% 6 A .87 HP 90%.
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.
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 much power does a 2 hp motor use?
How Much Electricity Do You Need to Produce? Survival Appliances Rated Watts Surge Watts 1 HP Motor 1000 2800 1-1/2 HP Motor 1700 4800 2 HP Motor 2000 5900.
How many watts is a 1 hp motor?
The 1 HP motor consumes 746 Watts regardless of how many hours it is running. Watt and HP are not units of energy. It will consume in 1 hour.
What size wire do I need for a 10 hp motor?
Electrical motor wiring data – NEMA amps, starter size, HMCP size for motors ranging 1/2 to 500 hp Motor HP NEMA amps Phase Wires (AWG) 7 1/2 11 12 10 14 10 15 21 10 20 27 8.
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.
What size breaker do I need for a 5 hp air compressor?
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 does a 2 hp pool pump draw?
When delivering 1/2hp to the pump, it draws 5.0 Amps. If that motor operates at its service factor of 0.8, it will draw 6.0 Amps. Most installations have motors near the maximum load.
How many amps does a 2.2 kW motor draw?
Single Phase Motors MOTOR RATING HP APPROX. F.L.C. AT LINE VOLTAGE 0.75 kW 1 15 1.1 kW 1.5 21 1.5 kW 2 26 2.2 kW 3 37.
What size breaker do I need for a 15 amp motor?
A 12 wire and a 20A breaker is needed. 15A ends can be used on 20A circuits.
What size wire should I use for a 30 amp breaker?
RULES OF THUMB. Many techs will repeat these rules of thumb and rely on them in all circumstances: “Twelve-gauge wire is good for 20 amps, 10-gauge wire is good for 30 amps, 8-gauge is good for 40 amps, and 6-gauge is good for 55 amps,” and “The circuit breaker or fuse is always sized to protect the conductor [wire].”Sep 18, 2017.
How do you determine the breaker size on a motor?
Circuit Breaker Size Calculation for Continuous & Non-contentious Load = 125% Continuous Load + 100% Non-continuous load. = (1.25 x 28A ) + (30A) = 75A.
What is the wire size for 50 amps?
50 AMP Wire Size For a maximum of 50 amps, you’ll need a wire gauge of 6. Fifty amp breakers are most often used to power many different appliances. However, a kitchen oven can alone require 50 amps. Many electric dryers also require a 50 amp breaker.
What will cause an overload situation for an electric motor?
Motor overloading can be caused by an increase in the load being driven by the motor, bearing failure in the motor or the driven load, or an electrical problem such as a low input voltage or single phasing.
What is the starting current of 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. Note, that a 1 HP motor not fully loaded (good practice) will show current draw of less than 8 amps.
How many amps does a 1.5 hp air conditioner use?
It is better to go 20 Amp for 1 HP air conditioner.Circuit Breaker for Air Conditioner Table. Circuit breaker for 0.5 HP Air Conditioner 15 Amp or higher Circuit breaker for 1.5 HP Air Conditioner 30 Amp or higher.
How many amps is a 3 phase?
For example, a three phase circuit using 25,000 watts of power and a line voltage of 250 will have a current flow of 25,000/(250 x 1.73), which is equal to 57.80 amperes.
