Cummins OTEC 600 NSE 600 Amp NSE 208V 3ph Automatic Transfer Switches - A075F139 | Portlandia Electric Supply
Cummins OTEC 600 NSE 600 Amp NSE 208V 3ph Automatic Transfer Switches - A075F139 | Portlandia Electric Supply
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Cummins OTEC 600 NSE 600 Amp NSE 208V 3ph Automatic Transfer Switches - A075F139

Cummins OTEC 600 NSE 600 Amp NSE 208V 3ph Automatic Transfer Switches - A075F139

$9,572.58 USD
$ $9,572.58 USD
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Unlimited lifetime support, always available.

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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 208V 3-Phase Automatic Transfer Switch

A075F139 | Microprocessor Control | 3-Pole | Non-Service Entrance | 208V System Voltage

600A
Rated Amperage
208V
Voltage Rating
3Ph
Three Phase

Product Overview

The Cummins OTEC 600 Amp NSE Automatic Transfer Switch is a heavy-duty OEM solution for large commercial standby power systems. This 208V three-phase unit ensures seamless, automatic transfer between utility and generator power sources. It is engineered for high-demand installations requiring continuous operational reliability. The Non-Service Entrance design allows for flexible integration into existing electrical infrastructures. Built with industrial-grade components, it delivers superior performance and long service life. This Automatic Transfer Switch (ATS) monitors utility conditions constantly. Upon detecting a failure, it transfers the electrical load to generator power immediately. The system safely reverts to utility power once it stabilizes. This process ensures uninterrupted service for critical infrastructure. It is ideal for factories, data centers, and healthcare systems. The switch manages the distribution of vital energy efficiently. Its corrosion-resistant steel enclosure protects against harsh commercial environments. Microprocessor-controlled logic ensures precise operation during every cycle. Heavy-duty contactor assemblies are designed for extreme industrial endurance. Compatibility extends to Cummins OTEC-series and large commercial generator systems.

Key Benefits

High Capacity Power: The 600A rated capacity supports high-demand 208V three-phase systems effectively.

Seamless Automation: Automatic switching occurs between utility and generator power without human intervention.

Flexible Integration: The Non-Service Entrance design allows for versatile integration into various electrical setups.

Precise Control: Microprocessor-controlled logic ensures precise and reliable operation during power transitions.

Industrial Durability: Heavy-duty contactor assemblies are built for enduring performance in harsh industrial environments.

How It Works

This Cummins OTEC Automatic Transfer Switch operates by continuously monitoring the status of the primary utility power source. When the system detects a power failure or significant voltage fluctuation, it instantly signals the standby generator to start. The microprocessor controller then manages the transfer of electrical load from the utility source to the generator source. This process happens automatically within a few cycles to minimize downtime for critical systems. Once the utility power stabilizes and returns to normal parameters, the switch safely reverts the load back to the utility source. The entire sequence is designed to ensure continuous power availability for mission-critical commercial infrastructures. Interlocks prevent any inadvertent connection between the two power sources during the transfer process.

Utility Monitoring: The switch constantly monitors utility voltage and frequency to detect any power anomalies. This real-time surveillance ensures immediate detection of outages or instability.

Generator Start Signal: Upon detecting a failure, the controller sends a signal to start the standby generator. This ensures the backup power source is ready before the load transfer occurs.

Load Transfer & Reversion: The heavy-duty contactors physically switch the load to the generator power source. Once utility power stabilizes, the system automatically reverts the load back to the primary source.

Technical Specifications

Part Number (MPN) A075F139
Manufacturer Cummins
Product Type Automatic Transfer Switch (NSE)
Rated Amperage 600A
Voltage Rating 208V AC
Phase Configuration Three Phase (3Ph)
Enclosure Type Non-Service Entrance (NSE)
Control System Microprocessor-Based Transfer Controller
Application Level Commercial / Industrial
Installation Requirement Certified Cummins technician or licensed electrician
Contact Material Heavy-duty Silver Alloy
Interlock Type Mechanical and Electrical Interlocks

Certifications & Compliance

Certifications: Certified to UL 1008 standards for automatic transfer switches
Inverter Compatibility: Approved for use with Cummins OTEC-series commercial and industrial generators
Environmental: Complies with NEC, IEEE, and CSA codes for standby and emergency systems
Warranty: Genuine Cummins OEM component covered under standard accessory warranty

Documentation

S-1639 OTec Spec

● Available | Contact us for lead time and pricing

Customer Reviews

Be the first to write a review
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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 208V 3-Phase Automatic Transfer Switch

A075F139 | Microprocessor Control | 3-Pole | Non-Service Entrance | 208V System Voltage

600A
Rated Amperage
208V
Voltage Rating
3Ph
Three Phase

Product Overview

The Cummins OTEC 600 Amp NSE Automatic Transfer Switch is a heavy-duty OEM solution for large commercial standby power systems. This 208V three-phase unit ensures seamless, automatic transfer between utility and generator power sources. It is engineered for high-demand installations requiring continuous operational reliability. The Non-Service Entrance design allows for flexible integration into existing electrical infrastructures. Built with industrial-grade components, it delivers superior performance and long service life. This Automatic Transfer Switch (ATS) monitors utility conditions constantly. Upon detecting a failure, it transfers the electrical load to generator power immediately. The system safely reverts to utility power once it stabilizes. This process ensures uninterrupted service for critical infrastructure. It is ideal for factories, data centers, and healthcare systems. The switch manages the distribution of vital energy efficiently. Its corrosion-resistant steel enclosure protects against harsh commercial environments. Microprocessor-controlled logic ensures precise operation during every cycle. Heavy-duty contactor assemblies are designed for extreme industrial endurance. Compatibility extends to Cummins OTEC-series and large commercial generator systems.

Key Benefits

High Capacity Power: The 600A rated capacity supports high-demand 208V three-phase systems effectively.

Seamless Automation: Automatic switching occurs between utility and generator power without human intervention.

Flexible Integration: The Non-Service Entrance design allows for versatile integration into various electrical setups.

Precise Control: Microprocessor-controlled logic ensures precise and reliable operation during power transitions.

Industrial Durability: Heavy-duty contactor assemblies are built for enduring performance in harsh industrial environments.

How It Works

This Cummins OTEC Automatic Transfer Switch operates by continuously monitoring the status of the primary utility power source. When the system detects a power failure or significant voltage fluctuation, it instantly signals the standby generator to start. The microprocessor controller then manages the transfer of electrical load from the utility source to the generator source. This process happens automatically within a few cycles to minimize downtime for critical systems. Once the utility power stabilizes and returns to normal parameters, the switch safely reverts the load back to the utility source. The entire sequence is designed to ensure continuous power availability for mission-critical commercial infrastructures. Interlocks prevent any inadvertent connection between the two power sources during the transfer process.

Utility Monitoring: The switch constantly monitors utility voltage and frequency to detect any power anomalies. This real-time surveillance ensures immediate detection of outages or instability.

Generator Start Signal: Upon detecting a failure, the controller sends a signal to start the standby generator. This ensures the backup power source is ready before the load transfer occurs.

Load Transfer & Reversion: The heavy-duty contactors physically switch the load to the generator power source. Once utility power stabilizes, the system automatically reverts the load back to the primary source.

Technical Specifications

Part Number (MPN) A075F139
Manufacturer Cummins
Product Type Automatic Transfer Switch (NSE)
Rated Amperage 600A
Voltage Rating 208V AC
Phase Configuration Three Phase (3Ph)
Enclosure Type Non-Service Entrance (NSE)
Control System Microprocessor-Based Transfer Controller
Application Level Commercial / Industrial
Installation Requirement Certified Cummins technician or licensed electrician
Contact Material Heavy-duty Silver Alloy
Interlock Type Mechanical and Electrical Interlocks

Certifications & Compliance

Certifications: Certified to UL 1008 standards for automatic transfer switches
Inverter Compatibility: Approved for use with Cummins OTEC-series commercial and industrial generators
Environmental: Complies with NEC, IEEE, and CSA codes for standby and emergency systems
Warranty: Genuine Cummins OEM component covered under standard accessory warranty

Documentation

S-1639 OTec Spec

● Available | Contact us for lead time and pricing
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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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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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