# What size breaker do I need for a 100 hp motor?

Contents
Motor HP NEMA amps Motor Circuit Protector type HMCP (ampere)
75 96 150
100 125 200
125 156 250
150 180 400

## How many amps does a 100 hp motor draw?

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

100 245 123
125 310 155
150 360 180
200 480 240

## What size breaker do I need for a 75 hp motor?

Registered. micromind said: The code minimum CU wire size for a 75HP 3ø motor operating at 480 volts is #1. The code maximum breaker size for said motor is 225 amp.

## What size breaker do I need for a 200 hp motor?

So, assuming an inverse time breaker, the 200 hp motor would have a maximum branch circuit OCPD of 240 amps x 250% = 600 amp.

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

A 5hp single phase AC motor has a load current of 28 Amps. So 10GA. wire with a 30 Amp breaker will work.

THIS IS IMPORTANT:  What happens if my car warranty expires?

## What size breaker do I need for a 30 hp motor?

Full-Load Current and Circuit Protection Data for Three-Phase AC Motors

Motor Horsepower Breaker Size
25 230 V 460 V 100 50
30 230 V 460 V 125 70
40 230 V 460 V 175 100
50 230 V 460 V 200 150

## What size breaker do I need for a 10hp 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 150 hp motor?

Electrical motor wiring data – NEMA amps, starter size, HMCP size for motors ranging 1/2 to 500 hp

Motor HP NEMA amps Motor Circuit Protector type HMCP (ampere)
60 77 150
75 96 150
100 125 200
125 156 250

## 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 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 50 hp motor?

HP 200 Volts 208 Volts
50 150 143
60 177 169
75 221 211
100 285 273

## What is the standard fuse size?

Standard sizes for fuses and fixed trip circuit breakers, per 240.6, are 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 1000, 1200, 1600, 2000, 2500, 3000, 4000 5000, and 6000 amps.

## How many amps does a 10 hp electric motor draw?

AMP DRAW BASED ON HORSEPOWER

HP 1 Phase Amps 3 Phase Amps
115 volt 208 volt
5 56 16.7
7-1/2 80 24.2
10 100 30.8

## How many amps does a 1.5 hp motor draw?

Common Horsepower to Amps Conversions

Horsepower Amps Voltage
1.5 HP 10.4 A 120 V
1.75 HP 12.1 A 120 V
2 HP 13.8 A 120 V
2.5 HP 17.3 A 120 V