Cummins OTEC 600 NSE 600 Amp NSE 480V 3ph Automatic Transfer Switches - A075F144 | Portlandia Electric Supply
Cummins OTEC 600 NSE 600 Amp NSE 480V 3ph Automatic Transfer Switches - A075F144 | Portlandia Electric Supply
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Cummins OTEC 600 NSE 600 Amp NSE 480V 3ph Automatic Transfer Switches - A075F144

Cummins OTEC 600 NSE 600 Amp NSE 480V 3ph Automatic Transfer Switches - A075F144

$9,571.96 USD
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What is your return policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

Cummins OTEC 600 Amp NSE 480V 3-Phase Automatic Transfer Switch

A075F144 | Microprocessor-Based | 600A 3-Phase | NSE | 480V System Voltage

600A
Rated Amperage
480V
Voltage Rating
3Ph
Three Phase

Product Overview

The Cummins OTEC 600 Amp NSE Automatic Transfer Switch is a heavy-duty solution for commercial and industrial backup power. This Automatic Transfer Switch (ATS) ensures seamless power transfer during utility outages. It operates at 480V AC with a three-phase configuration for balanced energy distribution. The unit features a corrosion-resistant NEMA 3R steel enclosure suitable for indoor or outdoor use. Its microprocessor-based PowerCommand 40-11 controller provides precise monitoring and reliable operation. Designed for mission-critical environments, it switches loads instantly between utility and generator sources. The Non-Service Entrance (NSE) design offers flexibility for installation with a sub-panel. This switch is fully compatible with Cummins OTEC-series standby generators. It supports emergency, legally required, and optional standby applications. Professional installation by a certified technician is required for optimal safety and performance.

Key Benefits

High Capacity Power Handling: The 600A rating supports large 480V three-phase power systems for heavy industrial loads.

Seamless Automatic Transfer: Instant switching between utility and generator sources ensures uninterrupted uptime for critical systems.

Advanced Microprocessor Control: The PowerCommand 40-11 controller offers LCD display and precise monitoring for accurate switching logic.

Outdoor-Rated Durability: The corrosion-resistant NEMA 3R enclosure protects against weather, making it ideal for outdoor installations.

Flexible NSE Configuration: Non-Service Entrance design allows versatile installation options when paired with a sub-panel for protection.

How It Works

This Automatic Transfer Switch continuously monitors the primary utility power source for voltage stability. When an outage or power failure is detected, the microprocessor signals the generator to start immediately. Once the generator reaches the correct voltage and frequency, the switch transfers the electrical load to the backup source. This process happens automatically to prevent disruption to critical operations. The system remains on generator power until the utility source stabilizes. Upon restoration, the switch re-transfers the load back to utility power and coasts the generator down. This open-transition design prevents source-to-source connection for maximum safety.

Continuous Utility Monitoring: The controller constantly senses three-phase utility voltage to detect outages or frequency deviations instantly.

Bi-Directional Linear Actuation: A unique linear motor actuator provides friction-free, straight-line transfer action without complex gears or linkages.

Safety Interlocking System: Mechanical and electrical interlocks prevent accidental connection between utility and generator sources simultaneously.

Technical Specifications

Part Number (MPN) A075F144
Manufacturer Cummins
Product Type Automatic Transfer Switch (NSE)
Rated Amperage 600A
Voltage Rating 480V AC (277/480V)
Phase Configuration Three Phase (3Ph)
Frequency 60 Hz
Enclosure Type NEMA 3R (Corrosion-Resistant)
Enclosure Material Steel
Control System PowerCommand 40-11 Microprocessor
Display Type LCD Digital Display
Transition Type Open Transition (Programmed)
Poles 3-Pole
Max Generator Input 600A
Max Utility Input 600A
Product Weight 275 lbs
Width 27-1/2 inches
Height 16-1/2 inches
Application Level Commercial / Industrial / Mission Critical
Installation Requirement Professional by Certified Technician

Certifications & Compliance

Certifications: UL 1008 Listed for Automatic Transfer Switches, UL and CSA Certified
Inverter Compatibility: Approved for integration with Cummins OTEC-series commercial generator systems
Environmental: Compliant with NEC, IEEE, and CSA requirements; NEMA 3R rated for indoor/outdoor use
Warranty: Genuine Cummins OEM component covered under standard 1-Year Limited Accessory Warranty

● Available | Contact us for lead time and pricing

Customer Reviews

Be the first to write a review
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(0)
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What is your return policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

Cummins OTEC 600 Amp NSE 480V 3-Phase Automatic Transfer Switch

A075F144 | Microprocessor-Based | 600A 3-Phase | NSE | 480V System Voltage

600A
Rated Amperage
480V
Voltage Rating
3Ph
Three Phase

Product Overview

The Cummins OTEC 600 Amp NSE Automatic Transfer Switch is a heavy-duty solution for commercial and industrial backup power. This Automatic Transfer Switch (ATS) ensures seamless power transfer during utility outages. It operates at 480V AC with a three-phase configuration for balanced energy distribution. The unit features a corrosion-resistant NEMA 3R steel enclosure suitable for indoor or outdoor use. Its microprocessor-based PowerCommand 40-11 controller provides precise monitoring and reliable operation. Designed for mission-critical environments, it switches loads instantly between utility and generator sources. The Non-Service Entrance (NSE) design offers flexibility for installation with a sub-panel. This switch is fully compatible with Cummins OTEC-series standby generators. It supports emergency, legally required, and optional standby applications. Professional installation by a certified technician is required for optimal safety and performance.

Key Benefits

High Capacity Power Handling: The 600A rating supports large 480V three-phase power systems for heavy industrial loads.

Seamless Automatic Transfer: Instant switching between utility and generator sources ensures uninterrupted uptime for critical systems.

Advanced Microprocessor Control: The PowerCommand 40-11 controller offers LCD display and precise monitoring for accurate switching logic.

Outdoor-Rated Durability: The corrosion-resistant NEMA 3R enclosure protects against weather, making it ideal for outdoor installations.

Flexible NSE Configuration: Non-Service Entrance design allows versatile installation options when paired with a sub-panel for protection.

How It Works

This Automatic Transfer Switch continuously monitors the primary utility power source for voltage stability. When an outage or power failure is detected, the microprocessor signals the generator to start immediately. Once the generator reaches the correct voltage and frequency, the switch transfers the electrical load to the backup source. This process happens automatically to prevent disruption to critical operations. The system remains on generator power until the utility source stabilizes. Upon restoration, the switch re-transfers the load back to utility power and coasts the generator down. This open-transition design prevents source-to-source connection for maximum safety.

Continuous Utility Monitoring: The controller constantly senses three-phase utility voltage to detect outages or frequency deviations instantly.

Bi-Directional Linear Actuation: A unique linear motor actuator provides friction-free, straight-line transfer action without complex gears or linkages.

Safety Interlocking System: Mechanical and electrical interlocks prevent accidental connection between utility and generator sources simultaneously.

Technical Specifications

Part Number (MPN) A075F144
Manufacturer Cummins
Product Type Automatic Transfer Switch (NSE)
Rated Amperage 600A
Voltage Rating 480V AC (277/480V)
Phase Configuration Three Phase (3Ph)
Frequency 60 Hz
Enclosure Type NEMA 3R (Corrosion-Resistant)
Enclosure Material Steel
Control System PowerCommand 40-11 Microprocessor
Display Type LCD Digital Display
Transition Type Open Transition (Programmed)
Poles 3-Pole
Max Generator Input 600A
Max Utility Input 600A
Product Weight 275 lbs
Width 27-1/2 inches
Height 16-1/2 inches
Application Level Commercial / Industrial / Mission Critical
Installation Requirement Professional by Certified Technician

Certifications & Compliance

Certifications: UL 1008 Listed for Automatic Transfer Switches, UL and CSA Certified
Inverter Compatibility: Approved for integration with Cummins OTEC-series commercial generator systems
Environmental: Compliant with NEC, IEEE, and CSA requirements; NEMA 3R rated for indoor/outdoor use
Warranty: Genuine Cummins OEM component covered under standard 1-Year Limited Accessory Warranty

● Available | Contact us for lead time and pricing
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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

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