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Cummins RA ACCYA All Automatic Transfer Switch, 240V 1Ph, Part A076C684
Cummins RA ACCYA All Automatic Transfer Switch, 240V 1Ph, Part A076C684
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SKU  PES-PA-ELC-A076C684

Cummins RA ACCYA All Automatic Transfer Switch, 240V 1Ph, Part A076C684

Cummins RA ACCYA All Automatic Transfer Switch, 240V 1Ph, Part A076C684

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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 RA 400 Integrated Amp NSE 240V 1-Phase Automatic Transfer Switch

RA Series | Open Transition | 400A Continuous | Non-Service Entrance | 240V System Voltage

400A
Continuous Amperage
120/240V
Voltage Rating
UL 1008
Safety Listed

Product Overview

The Cummins RA Series automatic transfer switch is engineered for seamless integration with Quiet Connect RS series generators. This robust automatic transfer switch ensures reliable standby power for residential and light commercial applications. It meets strict UL 1008 and CSA C22.5 safety standards for transfer switch operations. The unit is designed for simplified installation within outdoor-rated enclosures. It adheres to National Electrical Code and National Fire Protection Association requirements. Continuous monitoring of utility power happens 24 hours a day, 7 days a week. This ensures immediate response during power failures without homeowner intervention. The system supports 120/240V single-phase service at 60 Hz. Multiple ampacity options exist, including 100, 150, 200, 300, and 400 amps. Service entrance rated versions utilize UL 489 listed circuit breakers for added safety. The aluminum enclosure resists burning and pitting in harsh environments. Solderless screw-type terminals simplify external power connections for technicians. An adjustable voltage relay kit provides essential brownout protection capabilities. This switch delivers a powerful, economical solenoid-driven mechanism for reliable operation. Solid bus bar connections ensure efficient current transfer between components. A fully rated neutral bar and ground bar are standard features. Tin-plated copper materials prevent corrosion on critical grounding points. Mechanical interlocks prevent simultaneous closing of normal and emergency contacts safely. Electrical interlocks further secure control wiring against source interconnection errors. Long-life silver alloy contacts resist burning under high electrical stress. Contacts remain mechanically held in both positions for consistent reliability. Multiple leaf arc chutes cool and quench arcs effectively during interruption. Barriers prevent dangerous interphase flashover events within the enclosure. Auxiliary contacts allow customer use for monitoring or control signals. A 2-year limited warranty covers both parts and labor for peace of mind.

Key Benefits

Simplified Installation: The switch and generator set are designed for quicker setup in outdoor enclosures.

Zero-User Intervention: No action is required from the homeowner during utility failure or return.

Robust Safety Compliance: Products adhere to NEC, NFPA, UL 1008, and CSA C22.5 safety standards.

Durable Construction: Aluminum enclosures resist burning and pitting while using NEMA Type 3R ratings.

Advanced Protection: The Adjustable Voltage Relay Kit protects loads against utility brownouts effectively.

How It Works

The RA transfer switch constantly monitors utility power quality 24 hours a day. It detects failures or unsatisfactory voltage conditions automatically. Upon detection, the system signals the generator set to start immediately. The switch then automatically transfers the electrical load to the generator source. When stable utility voltage returns, the switch re-transfers the load back to utility power. This entire process occurs without any manual action from the homeowner. The mechanism ensures a safe open transition between power sources. Independent break-before-make action prevents short circuits during switching. Mechanical interlocks physically prevent normal and emergency contacts from closing together. Electrical interlocks also prevent simultaneous closing signals through control wiring. This dual-interlock system ensures absolute safety against source interconnection errors. Long-life silver alloy contacts maintain reliability under repeated switching cycles. Contacts are mechanically held in both normal and emergency positions securely. Multiple leaf arc chutes cool and quench arcs during interruption safely. Barriers prevent interphase flashover to protect internal components from damage. Auxiliary contacts provide customer access for monitoring or external control signals. The solid bus bar connection ensures efficient current flow between breakers and the switch.

Power Failure Detection: The switch monitors utility power continuously and signals the generator to start upon failure.

Automatic Load Transfer: It automatically transfers the load to the generator when utility power becomes unsatisfactory.

Safe Return to Utility: The switch switches the load back to utility power when stable voltage returns automatically.

Technical Specifications

Voltage Rating 120/240VAC, Single Phase, 60 Hz
Amperage Rating 100, 150, 200, 300, 400 A Continuous
Transfer Type Open Transition (Utility to Generator)
Enclosure Material Aluminum (NEMA Type 3R Rated)
Contact Material High Pressure Silver Alloy
Arc Interruption Multiple Leaf Arc Chutes with Barriers
Neutral Bar Full Current-Rated Standard
Ground Bar Tin Plated Copper (Fully Rated)
Auxiliary Contacts 2 Contacts (5A @ 100Vac or 2.5A @ 200Vac)
Terminations Solderless Screw Type for External Power
Mechanism Drive Powerful Economical Solenoid
Interlock Type Mechanical and Electrical Interlocks

Certifications & Compliance

Certifications: UL 1008 Listed, CSA C22.5 No. 5 Listed, UL 489 Listed (Service Entrance), UL Type Rated Cabinets, UL Listed CU-AL Terminals
Inverter Compatibility: Integrated with Cummins Quiet Connect RS series generators
Environmental: NEMA ICS 10 Compliant, NFPA 70 Compliant, NEC Compliant, NEMA Type 3R Rated
Warranty: 2 Year Limited including Parts & Labor

● 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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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 RA 400 Integrated Amp NSE 240V 1-Phase Automatic Transfer Switch

RA Series | Open Transition | 400A Continuous | Non-Service Entrance | 240V System Voltage

400A
Continuous Amperage
120/240V
Voltage Rating
UL 1008
Safety Listed

Product Overview

The Cummins RA Series automatic transfer switch is engineered for seamless integration with Quiet Connect RS series generators. This robust automatic transfer switch ensures reliable standby power for residential and light commercial applications. It meets strict UL 1008 and CSA C22.5 safety standards for transfer switch operations. The unit is designed for simplified installation within outdoor-rated enclosures. It adheres to National Electrical Code and National Fire Protection Association requirements. Continuous monitoring of utility power happens 24 hours a day, 7 days a week. This ensures immediate response during power failures without homeowner intervention. The system supports 120/240V single-phase service at 60 Hz. Multiple ampacity options exist, including 100, 150, 200, 300, and 400 amps. Service entrance rated versions utilize UL 489 listed circuit breakers for added safety. The aluminum enclosure resists burning and pitting in harsh environments. Solderless screw-type terminals simplify external power connections for technicians. An adjustable voltage relay kit provides essential brownout protection capabilities. This switch delivers a powerful, economical solenoid-driven mechanism for reliable operation. Solid bus bar connections ensure efficient current transfer between components. A fully rated neutral bar and ground bar are standard features. Tin-plated copper materials prevent corrosion on critical grounding points. Mechanical interlocks prevent simultaneous closing of normal and emergency contacts safely. Electrical interlocks further secure control wiring against source interconnection errors. Long-life silver alloy contacts resist burning under high electrical stress. Contacts remain mechanically held in both positions for consistent reliability. Multiple leaf arc chutes cool and quench arcs effectively during interruption. Barriers prevent dangerous interphase flashover events within the enclosure. Auxiliary contacts allow customer use for monitoring or control signals. A 2-year limited warranty covers both parts and labor for peace of mind.

Key Benefits

Simplified Installation: The switch and generator set are designed for quicker setup in outdoor enclosures.

Zero-User Intervention: No action is required from the homeowner during utility failure or return.

Robust Safety Compliance: Products adhere to NEC, NFPA, UL 1008, and CSA C22.5 safety standards.

Durable Construction: Aluminum enclosures resist burning and pitting while using NEMA Type 3R ratings.

Advanced Protection: The Adjustable Voltage Relay Kit protects loads against utility brownouts effectively.

How It Works

The RA transfer switch constantly monitors utility power quality 24 hours a day. It detects failures or unsatisfactory voltage conditions automatically. Upon detection, the system signals the generator set to start immediately. The switch then automatically transfers the electrical load to the generator source. When stable utility voltage returns, the switch re-transfers the load back to utility power. This entire process occurs without any manual action from the homeowner. The mechanism ensures a safe open transition between power sources. Independent break-before-make action prevents short circuits during switching. Mechanical interlocks physically prevent normal and emergency contacts from closing together. Electrical interlocks also prevent simultaneous closing signals through control wiring. This dual-interlock system ensures absolute safety against source interconnection errors. Long-life silver alloy contacts maintain reliability under repeated switching cycles. Contacts are mechanically held in both normal and emergency positions securely. Multiple leaf arc chutes cool and quench arcs during interruption safely. Barriers prevent interphase flashover to protect internal components from damage. Auxiliary contacts provide customer access for monitoring or external control signals. The solid bus bar connection ensures efficient current flow between breakers and the switch.

Power Failure Detection: The switch monitors utility power continuously and signals the generator to start upon failure.

Automatic Load Transfer: It automatically transfers the load to the generator when utility power becomes unsatisfactory.

Safe Return to Utility: The switch switches the load back to utility power when stable voltage returns automatically.

Technical Specifications

Voltage Rating 120/240VAC, Single Phase, 60 Hz
Amperage Rating 100, 150, 200, 300, 400 A Continuous
Transfer Type Open Transition (Utility to Generator)
Enclosure Material Aluminum (NEMA Type 3R Rated)
Contact Material High Pressure Silver Alloy
Arc Interruption Multiple Leaf Arc Chutes with Barriers
Neutral Bar Full Current-Rated Standard
Ground Bar Tin Plated Copper (Fully Rated)
Auxiliary Contacts 2 Contacts (5A @ 100Vac or 2.5A @ 200Vac)
Terminations Solderless Screw Type for External Power
Mechanism Drive Powerful Economical Solenoid
Interlock Type Mechanical and Electrical Interlocks

Certifications & Compliance

Certifications: UL 1008 Listed, CSA C22.5 No. 5 Listed, UL 489 Listed (Service Entrance), UL Type Rated Cabinets, UL Listed CU-AL Terminals
Inverter Compatibility: Integrated with Cummins Quiet Connect RS series generators
Environmental: NEMA ICS 10 Compliant, NFPA 70 Compliant, NEC Compliant, NEMA Type 3R Rated
Warranty: 2 Year Limited including Parts & Labor

● 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

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