Shipping & delivery30-day returnsWarranty
Check local voltage, plug, installation, and product-certification requirements before ordering. We confirm compatibility and availability for your destination before payment.
For homes that only need critical circuits backed up, the Tigo 50A MLO Auto Transfer Switch is the compact option in the Tigo EI Residential Solar Solution. When the grid drops it shifts connected loads to solar and battery power, then hands back to the utility once service is restored.
Essential-load backup on a Tigo EI Residential Solar Solution, such as keeping a refrigerator, lights, and network equipment on a protected sub-panel.
Reliable Backup Power for Essential Loads | 50A Auto Transfer Switch The Tigo 50A MLO Auto Transfer Switch (ATS) is a required component for Tigo EI Residential Solar Solutions, enabling safe and automatic transitions between utility power and backup power during outages. When grid power is lost, the ATS quickly switches connected loads to available solar and battery power, helping keep critical circuits running without manual intervention. Once utility service is restored, the system automatically returns to normal grid-connected operation. Designed for reliability, simplified installation, and intelligent monitoring, the Tigo 50A ATS is an ideal solution for essential-load backup applications. Key Benefits Automatic Backup Power Switching – Detects utility outages and automatically transfers connected loads to solar and battery backup power. Essential Load Backup Support – Keeps critical circuits powered during outages, helping maintain comfort and functionality when grid power is unavailable. Seamless Return to Grid Operation – Automatically restores normal utility-connected operation once power returns. Compact Backup Solution – Ideal for essential-load backup applications where whole-home backup is not required. Durable Outdoor-Rated Design – NEMA 4X / IP65 enclosure provides protection against dust, moisture, and harsh environmental conditions. Manual Bypass Capability – Includes a manual bypass switch for added flexibility during maintenance and service. Use Cases Ideal for homeowners installing a Tigo EI Residential Solar Solution who want reliable backup power for essential circuits during utility outages. The Tigo 50A MLO ATS is designed for energy storage systems focused on critical-load backup and increased energy resilience. Tech Specs Compatibility: Tigo EI Residential Solar Solution Output Voltage: 120/240 VAC Split-Phase Manual Bypass Switch: Yes Enclosure Rating: NEMA 4X / IP65 Monitoring: Tigo EI Mobile App and Portal
Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.
We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.
Not sure whether the 50A MLO switch suits your home? Our team can help you decide. Message our team on WhatsApp.
Tigo Energy
Built for Tigo EI Residential Solar Solutions, this 200A main circuit breaker transfer switch moves your home between grid power and solar with battery backup when an outage hits. It is a required part of a Tigo EI storage system and suits homeowners and installers planning whole-home or essential-load backup.
$1,227.27
Duracell
This WiFi gateway is the central hub of a Duracell solar system, linking the microinverters to the monitoring platform. It suits homeowners and installers who want to see production and system health without walking out to the equipment.
$332.39
Aptos Solar
To see how each Aptos microinverter is performing, you need a data transfer unit. The DTU-Pro links the system to the Aptos monitoring server over the internet.
$347.54
EMP Shield
Home generators get their own EMP Shield model, built to protect against EMP, lightning, solar flares, and power surges. It operates in less than a billionth of a second.
$350.10