Cummins OTEC 125 Amp NSE 208V 3ph Automatic Transfer Switches - A075F123 | Portlandia Electric Supply
Cummins OTEC 125 Amp NSE 208V 3ph Automatic Transfer Switches - A075F123 | Portlandia Electric Supply
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Cummins OTEC 125 Amp NSE 208V 3ph Automatic Transfer Switches - A075F123

Cummins OTEC 125 Amp NSE 208V 3ph Automatic Transfer Switches - A075F123

$2,851.34 USD
$ $2,851.34 USD
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9+ sold

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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 125 Amp NSE 208V 3-Phase Automatic Transfer Switch - A075F123

A075F123 | PowerCommand 40-11 | 125A 3-Pole | Non-Service Entrance | 208V System Voltage

125 Amps
Max Current Rating
208V
System Voltage
3-Phase
Power Configuration

Product Overview

The Cummins OTEC 125 Amp NSE (Non-Service Entrance) 208V 3-phase Automatic Transfer Switch (ATS) ensures reliable power for commercial and light industrial sites. This robust unit automatically shifts from utility power to generator power during outages, preventing critical system failures. Its 125 Amp capacity supports medium-scale electrical loads effectively. The 208V 3-phase design enables balanced energy distribution across three legs. The Non-Service Entrance rating allows flexible installation in systems without service entrance requirements. A compact design simplifies integration with existing backup generators. UL listing guarantees safety and operational reliability for long-term use.

Key Benefits

Seamless Power Transfer: Automatic switching ensures uninterrupted operation during utility power failures.

Medium-Scale Capacity: The 125 Amp rating perfectly suits commercial and light industrial electrical systems.

Flexible Installation: Non-Service Entrance rating allows use in diverse setups without service entrance capabilities.

Outdoor Durability: NEMA 3R enclosure protects internal components against rain and wind outdoors.

Advanced Monitoring: PowerCommand 40-11 control offers LCD display for real-time system status monitoring.

How It Works

The Cummins OTEC ATS continuously monitors both utility and generator power sources. When utility power fails, the controller signals the generator to start immediately. Once the generator reaches stable voltage, the switch transfers the load automatically. This open-transition process ensures a break-before-make sequence to prevent source overlap. The system returns to utility power once normal voltage is restored and stable.

Source Monitoring: The microprocessor senses voltage, phase rotation, and frequency on both power sources constantly.

Automatic Transfer Action: A bi-directional linear actuator moves contacts smoothly without complex gears or friction.

Return to Utility: After utility power stabilizes, the switch re-transfers the load back to the primary source.

Technical Specifications

Model Number A075F123
Vendor Cummins
Amperage Rating 125 Amps
Voltage Rating 208V AC
Phase Type Three-Phase, 60 Hz
Pole Configuration 3-Pole, Solid Neutral
Service Entrance Rated No (Non-Service Entrance)
Enclosure Rating NEMA 3R (Outdoor)
Control System PowerCommand 40-11 with LCD
Transition Type Open Transition (Break-Before-Make)
Transfer Time Max 6 cycles at 60 Hz
Operating Temperature -25°C to 60°C (-13°F to 140°F)
Humidity Rating Up to 95% relative, non-condensing
Altitude Limit Up to 10,000 ft (3,000 m)
Contact Material Heavy-duty Silver Alloy
Load Rating 100% continuous load current

Certifications & Compliance

Certifications: UL 1008 Listed, UL and NEC Compliant
Inverter Compatibility: Compatible with Commercial & Industrial Backup Generators
Environmental: NEMA 3R Rated for Outdoor Use, -25°C to 60°C Operating Range
Warranty: Cummins Standard Warranty (1-Year Limited, up to 5-Year with registration)

● Available | Contact us for lead time and pricing

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
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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 125 Amp NSE 208V 3-Phase Automatic Transfer Switch - A075F123

A075F123 | PowerCommand 40-11 | 125A 3-Pole | Non-Service Entrance | 208V System Voltage

125 Amps
Max Current Rating
208V
System Voltage
3-Phase
Power Configuration

Product Overview

The Cummins OTEC 125 Amp NSE (Non-Service Entrance) 208V 3-phase Automatic Transfer Switch (ATS) ensures reliable power for commercial and light industrial sites. This robust unit automatically shifts from utility power to generator power during outages, preventing critical system failures. Its 125 Amp capacity supports medium-scale electrical loads effectively. The 208V 3-phase design enables balanced energy distribution across three legs. The Non-Service Entrance rating allows flexible installation in systems without service entrance requirements. A compact design simplifies integration with existing backup generators. UL listing guarantees safety and operational reliability for long-term use.

Key Benefits

Seamless Power Transfer: Automatic switching ensures uninterrupted operation during utility power failures.

Medium-Scale Capacity: The 125 Amp rating perfectly suits commercial and light industrial electrical systems.

Flexible Installation: Non-Service Entrance rating allows use in diverse setups without service entrance capabilities.

Outdoor Durability: NEMA 3R enclosure protects internal components against rain and wind outdoors.

Advanced Monitoring: PowerCommand 40-11 control offers LCD display for real-time system status monitoring.

How It Works

The Cummins OTEC ATS continuously monitors both utility and generator power sources. When utility power fails, the controller signals the generator to start immediately. Once the generator reaches stable voltage, the switch transfers the load automatically. This open-transition process ensures a break-before-make sequence to prevent source overlap. The system returns to utility power once normal voltage is restored and stable.

Source Monitoring: The microprocessor senses voltage, phase rotation, and frequency on both power sources constantly.

Automatic Transfer Action: A bi-directional linear actuator moves contacts smoothly without complex gears or friction.

Return to Utility: After utility power stabilizes, the switch re-transfers the load back to the primary source.

Technical Specifications

Model Number A075F123
Vendor Cummins
Amperage Rating 125 Amps
Voltage Rating 208V AC
Phase Type Three-Phase, 60 Hz
Pole Configuration 3-Pole, Solid Neutral
Service Entrance Rated No (Non-Service Entrance)
Enclosure Rating NEMA 3R (Outdoor)
Control System PowerCommand 40-11 with LCD
Transition Type Open Transition (Break-Before-Make)
Transfer Time Max 6 cycles at 60 Hz
Operating Temperature -25°C to 60°C (-13°F to 140°F)
Humidity Rating Up to 95% relative, non-condensing
Altitude Limit Up to 10,000 ft (3,000 m)
Contact Material Heavy-duty Silver Alloy
Load Rating 100% continuous load current

Certifications & Compliance

Certifications: UL 1008 Listed, UL and NEC Compliant
Inverter Compatibility: Compatible with Commercial & Industrial Backup Generators
Environmental: NEMA 3R Rated for Outdoor Use, -25°C to 60°C Operating Range
Warranty: Cummins Standard Warranty (1-Year Limited, up to 5-Year with registration)

● 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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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

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

Be Smart, Buy From an Authorized Dealer

When you choose Portlandia Electric Supply, you’re buying real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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