General Overview

Tigo ATS 200A Automatic Transfer Switch | Whole-Home Backup for Tigo EI Energy Storage Systems


Product Overview

The Tigo Automatic Transfer Switch (ATS) is a required component of any Tigo EI Residential Solar + Energy Storage System (ESS). Designed for grid-tied applications, the ATS continuously monitors utility power and automatically transitions the home to solar and battery backup during a grid outage.

When utility power is restored, the Tigo ATS safely reconnects the system to the grid, ensuring seamless operation without homeowner intervention. Engineered for reliability, safety, and simplified installation, the Tigo ATS enables whole-home or essential-load backup when paired with Tigo EI Hybrid Inverters and Tigo batteries.


Key Features & Benefits

  • Required for Tigo EI ESS Systems – Essential for grid-tied energy storage operation
  • Automatic Backup Switching – Instantly switches to solar/battery power during outages
  • Whole-Home or Essential-Load Backup – Flexible system design options
  • Integrated Monitoring – Full system visibility via the Tigo EI mobile app and online portal
  • Reduces Panel Upgrades & Derating – Integrated service disconnects on 200A models
  • Manual Bypass Switch – Allows manual operation and servicing when needed
  • Installer-Friendly Design – Simplifies wiring and commissioning
  • Outdoor-Rated Enclosure – NEMA 4X / IP65 for indoor or outdoor installations

Technical Specifications

  • Output Voltage: 120 / 240 VAC Split-Phase
  • Transfer Type: Automatic
  • Manual Bypass: Yes
  • Enclosure Rating: NEMA 4X / IP65 (dust-tight and water-tight)
  • Panelboards:
    • 200A Models: Main Circuit Breaker (MCB)
    • 50A Model: Main Lug Only (MLO)

System Compatibility

  • Required for Tigo EI Residential Energy Storage Systems
  • Compatible with Tigo EI Hybrid Inverters
  • Enables backup operation with Tigo EI Batteries
  • Supports both whole-home and essential-load configurations

Installation & Commissioning

The Tigo 200A MCB Automatic Transfer Switch is engineered for fast, straightforward installation. Its integrated disconnects and smart layout reduce electrical complexity, helping installers save time while minimizing the need for main panel upgrades. Commissioning and system monitoring are handled seamlessly through the Tigo EI App.


Why Choose the Tigo ATS?

The Tigo ATS delivers safe, automatic, and intelligent backup power control, without the complexity of traditional transfer switch setups. Designed specifically for the Tigo EI ecosystem, it ensures reliable backup operation, cleaner installations, and full system visibility for homeowners and installers alike.


Ideal Applications

  • Residential solar + battery backup systems
  • Whole-home backup installations
  • Essential-load backup configurations
  • New Tigo EI system deployments

Warranty: 11 Years

Spec Sheet: Download

Manual: Download

Quick Start Guide: Download

General Overview

Tigo ATS 200A Automatic Transfer Switch | Whole-Home Backup for Tigo EI Energy Storage Systems


Product Overview

The Tigo Automatic Transfer Switch (ATS) is a required component of any Tigo EI Residential Solar + Energy Storage System (ESS). Designed for grid-tied applications, the ATS continuously monitors utility power and automatically transitions the home to solar and battery backup during a grid outage.

When utility power is restored, the Tigo ATS safely reconnects the system to the grid, ensuring seamless operation without homeowner intervention. Engineered for reliability, safety, and simplified installation, the Tigo ATS enables whole-home or essential-load backup when paired with Tigo EI Hybrid Inverters and Tigo batteries.


Key Features & Benefits

  • Required for Tigo EI ESS Systems – Essential for grid-tied energy storage operation
  • Automatic Backup Switching – Instantly switches to solar/battery power during outages
  • Whole-Home or Essential-Load Backup – Flexible system design options
  • Integrated Monitoring – Full system visibility via the Tigo EI mobile app and online portal
  • Reduces Panel Upgrades & Derating – Integrated service disconnects on 200A models
  • Manual Bypass Switch – Allows manual operation and servicing when needed
  • Installer-Friendly Design – Simplifies wiring and commissioning
  • Outdoor-Rated Enclosure – NEMA 4X / IP65 for indoor or outdoor installations

Technical Specifications

  • Output Voltage: 120 / 240 VAC Split-Phase
  • Transfer Type: Automatic
  • Manual Bypass: Yes
  • Enclosure Rating: NEMA 4X / IP65 (dust-tight and water-tight)
  • Panelboards:
    • 200A Models: Main Circuit Breaker (MCB)
    • 50A Model: Main Lug Only (MLO)

System Compatibility

  • Required for Tigo EI Residential Energy Storage Systems
  • Compatible with Tigo EI Hybrid Inverters
  • Enables backup operation with Tigo EI Batteries
  • Supports both whole-home and essential-load configurations

Installation & Commissioning

The Tigo 200A MCB Automatic Transfer Switch is engineered for fast, straightforward installation. Its integrated disconnects and smart layout reduce electrical complexity, helping installers save time while minimizing the need for main panel upgrades. Commissioning and system monitoring are handled seamlessly through the Tigo EI App.


Why Choose the Tigo ATS?

The Tigo ATS delivers safe, automatic, and intelligent backup power control, without the complexity of traditional transfer switch setups. Designed specifically for the Tigo EI ecosystem, it ensures reliable backup operation, cleaner installations, and full system visibility for homeowners and installers alike.


Ideal Applications

  • Residential solar + battery backup systems
  • Whole-home backup installations
  • Essential-load backup configurations
  • New Tigo EI system deployments

Warranty: 11 Years

Spec Sheet: Download

Manual: Download

Quick Start Guide: Download

3000+ Customer Reviews

Tigo 200A MCB Auto Transfer Switch (ATS) | TSS-200-US Backup/Grid

ShopSolar.com SKU: sku-53398230958355
Regular price
$1,449.00
Sale price
$1,449.00
Regular price
$2,329.29
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Tigo 200A MCB Auto Transfer Switch (ATS) | TSS-200-US Backup/GridTigo 200A MCB Auto Transfer Switch (ATS) | TSS-200-US Backup/Grid
$1,449.00
$2,329.29

Testimonials

3,000+ Customer Reviews & Counting

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"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."

J
John D.
Texas, USA
Verified Buyer

"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"

S
Sarah M.
California, USA
Verified Buyer

"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."

M
Mike R.
Florida, USA
Verified Buyer

"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."

E
Emily T.
Arizona, USA
Verified Buyer

"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."

D
David L.
Colorado, USA
Verified Buyer

"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"

L
Lisa K.
Nevada, USA
Verified Buyer

"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."

J
John D.
Texas, USA
Verified Buyer

"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"

S
Sarah M.
California, USA
Verified Buyer

"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."

M
Mike R.
Florida, USA
Verified Buyer

"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."

E
Emily T.
Arizona, USA
Verified Buyer

"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."

D
David L.
Colorado, USA
Verified Buyer

"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"

L
Lisa K.
Nevada, USA
Verified Buyer

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Frequently Asked Questions

Find the answers to some of the most common questions customers have before placing their order.

Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.

Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.

While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.

Our return policy is normally 30 days. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center linked below.

All products are backed by full manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.

Yes! We offer a variety of flexible payment plans to fit any budget. Options include monthly financing with competitive interest rates, and some plans require no money down. You can apply during checkout and get approved in minutes.

If you're ready to place your order, you can go ahead and checkout online right now. If you have questions, our friendly team of solar experts are happy to assist and can take your order over the phone. If you're interested in financing, you will find the application at checkout online. So whatever is best for you, we are happy to accommodate.

Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You’ll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.

You’ll have free direct access to our support team via phone, email, and chat. Whether it’s setup guidance or troubleshooting years down the road, we’re here to help.

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