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Need Help Sizing Your Motor Starter?

Use your motor’s full load amperage (FLA) to select the correct starter and set the overload protection.
View our Sizing Chart

63–80 Amp Motor Starter (MS6380)

Original price was: $599.00.Current price is: $449.25.

Control and protect your motor with a starter designed for 63 to 80 amp loads.

Used for CNC machines, pumps, compressors, and industrial equipment requiring safe startup and overload protection.

Includes a matched contactor and adjustable overload relay, with a built-in reset button and optional start/stop controls.

Select any additional add ons you would like built into your starter:
Product total
Options total
Grand total

Built and Supported in Wisconsin, USA

Lifetime Warranty

Same-Day Replacement

Technical specifications for 63-80 Amp Motor Starter (MS6380):

Incoming Voltage

240V AC (3 Phase)

 

Amp Range (FLA)

63–80 Amps

Min Load 

63 Amps

Max Load

80 Amps

Max Motor Size

25 HP

Frequency

60 Hz

Contactor

Pre-configured and matched to load

Overload Relay

Adjustable to motor FLA

Overload Protection

Built-in with manual reset

Reset Button

Standard

Start/Stop Controls

Optional

Enclosure Dimensions

14″ × 8.31″ × 6.27″

Wiring Knockouts

(1) 3/4″, (1) 1″, (1) 1-1/2″

Download the full manual here

If you are looking for something specific that you don’t see listed. Feel free to reach out to American Rotary at 888-743-6832 and we will be happy to help find something that will work for you!

Controls Motor Startup
Manages the electrical current used to start the motor.

Overload Protection
Monitors current and shuts down the motor if it exceeds safe limits.

Adjustable to Your Motor
Overload relay is set to match the motor’s full load amperage (FLA).

Reset After Trip
Built-in reset button allows the system to be restarted after an overload condition.

Application Use
Used to control and protect motors in CNC machines, pumps, compressors, and industrial equipment.

All American Rotary motor starter control panels are warranted against defects in materials and workmanship for a period of one year.

American Rotary will repair or replace, at its option, any defective components during the warranty period.

Installation must be performed by a qualified electrician, and warranty applies to the original purchaser.

For full warranty details, download the complete warranty document.

Download Warranty Document

Our Advantages

Why Choose American Rotary Equipment

Same-Day Shipping

In-stock equipment ships quickly so you can keep your operation running without delays.

Built for Industrial Applications

American Rotary equipment is designed for real-world shop environments, with reliable components and proven performance.

Wide Range of In-Stock Options

From common applications to specialized setups, we stock a range of solutions ready to ship. If you don’t see what you need, we can help source it.

Expert Sizing & Support

Choosing the right equipment matters. Our team helps you select the correct solution based on your application and requirements.

Talk to an Engineer

Customer stories

Real experiences from people who trust our products

My old rotary phase converter gave 30 years of faithful service before it went up in smoke. With customers asking when I’d be operational, I researched every manufacturer and the choice was clear on American Rotary. First impression when it ... READ MORE

FAA Certified Machine Shop Owner

  • Machining

Very good company to do business with. The salesman Lenny treated me like I was a big company. I was shopping for a roto phase for my home machine shop. He had all the time in the world for me. ... READ MORE

Rodney Mears

  • Machining

A quick google search pointed me toward American Rotary. It wasn’t their website or their pricing but the number of videos and testimonials about the quality of their product and the great service. I wasn’t disappointed. I called on a ... READ MORE

Carl DiPaolo

  • Machining

I purchased this unit for a tenant in a commercial property that needed 3 phase power and the cost for the utility company to bring it in was significantly higher with much longer times to complete the project. The phase ... READ MORE

Matt Peace

  • Metalworking

I tried an inexpensive digital converter that made my machine motors very hot due to unbalanced power. A person I bought a milling machine from said he had an American Rotary and was very happy with the quality, so I ... READ MORE

Brad Everett

  • Machining

When I started, the garage had a single 120 V receptacle behind a shelf. Now, there (4) duplex 120A receptacles, (1) NEMA 16,20 A 240/120V with a DPDT switch to select voltages. 30A 50A 1 phase receptacles. Two 20A, one ... READ MORE

Raymond Jensen

  • Agriculture

I called in a talked to a representative told them I have a refrigeration unit I was looking to run 3 phase to, gave them the specs and was recommended the ADX 10. I ordered it super fast shipping got ... READ MORE

Jonathan Arrington

  • Food Service

I had to move my workshop due to rent increases. The one I found didn’t have 3 phase. I found some cheap crappy digital shifter…didn’t work. Then I found American Rotary, they are the real deal! I am able to ... READ MORE

Mike Chinn

  • Woodworking

para todos los hispanohablantes America Rotary 100% recomendado fácil de instalar fácil de manejar fácil de cablear todo perfectamente gracias por su ayuda para poner en funcionamiento mi máquina edgebanding 3 Phase For all Spanish speakers, American Rotary 100% recommended. ... READ MORE

Neftaly Bustos Custom

  • Woodworking

Just got my ADX 5 up and running couldn’t be happier with my decision to purchase this excellent customer service and tech support. A++++++

... READ MORE

Mark Anderson

  • Metalworking

Absolutely love what american rotary does. Had a wonderful experience with their support team the phase converter we purchased and the transformer were supper easy to install definitely recommend buying from them. Customer service is 10/10

... READ MORE

Custom Machined Concepts | Andrey Girenko

  • Machining

American Rotary is an awesome company to work with, Mike was/is very helpful in answering my questions and getting me what I needed to get my shop ready for a new machine, giving me an option to either piggy back ... READ MORE

Charles Nelson

  • Machining

FAQs

Everything you need to know about getting the right power for your equipment.

Read all FAQs
What size motor can this starter handle?
This motor starter is designed for motors drawing between 63 and 80 amps, up to 25 HP.
Yes, as long as your motor operates on 240V 3-phase power and falls within the 63-80 amp range.
Start/stop controls are available as an option. All units include built-in overload protection with a reset button.
The starter will trip and shut down the motor to prevent damage. Once the issue is resolved, it can be reset using the reset button.
Yes, this motor starter is commonly used with phase converters to control and protect 3-phase equipment.
Yes, installation should be completed by a qualified electrician.