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

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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.

Motor horsepower	Full load amps 230VAC	Full load amps 460VAC
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.

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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?

AC Motor Full Load Amperes

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.

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How many amps does a 10 hp electric motor draw?

AMP DRAW BASED ON HORSEPOWER

HP	1 Phase Amps	3 Phase Amps
HP	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