Tigo 200A MCB Auto Transfer Switch | Backup/Grid/Generator

The Tigo TSS‑200‑US Automatic Transfer Switch (ATS) delivers reliable, automatic backup switching for grid‑tied solar + battery systems. Designed for continuous 200 A operation with both 120 VAC and 240 VAC outputs, it ensures uninterrupted essential or whole‑home power through solar, battery, or generator sources. The TSS‑200‑US‑G variant adds solar‑generator coordination for up to 24 kW generator capacity with auto‑start functionality. Built to withstand indoor or outdoor conditions (IP65), equipped with a manual bypass switch, and covered by Tigo’s industry-leading 11‑year warranty, this ATS is engineered for both professional and DIY installations. All backed by live monitoring via the Tigo EI mobile app and portal.

Key Features & Benefits

• Automated backup switching: Instantly transitions electrical loads during grid failure to maintain household power. 

• 200 A continuous capacity: Handles essential backup or whole-home loads (up to ~48 A continuous input). 

• Supports generators up to 24 kW on the generator model (TSS‑200‑US‑G), with automatic two-wire start coordination. 

• Dual-voltage output: Provides both 120 VAC and 240 VAC split-phase configurations. 

• Durable IP65 / NEMA 4X enclosure: Suitable for indoor or outdoor installations—dust‑tight and weather‑proof. 

• Manual bypass switch: Allows safe maintenance or emergency isolation without interrupting power. 

• Reduces main panel upgrades: Integrated service disconnect simplifies installation and lowers related costs. 

• Integrated monitoring: Works with the Tigo EI mobile app and portal for live status and analytics. 

Technical Specifications