Description
The Tigo TSS-200-US is a required component for on-grid solar storage systems, automatically sensing grid loss and safely switching from grid power to solar and battery backup.
Key Features
- 200A Automatic Transfer Switch — Delivers seamless grid-to-backup switchover in under 400ms for whole-home critical load protection.
- 120V/240V Split Phase Output — Built-in transformer supports both essential load and entire home backup power configurations.
- NEMA 4X / IP65 Rated Enclosure — Designed for indoor and outdoor wall-mount installation in demanding environmental conditions.
- RS485 Communications & Energy Meter — Features built-in RS485 interface and import/export energy metering at 1% accuracy.
- Manual Control Bypass Switch Included — Allows manual override for maintenance and service without system shutdown.
Powered by the Tigo Energy Intelligence platform, the TSS-200-US integrates seamlessly with Tigo EI Inverters for intelligent whole-home energy management. Compatible with the TSI-7.6K-US and TSI-11.4K-US hybrid inverters.
Rated for a maximum grid power of 48000VA with a 160A max current and 200A main circuit breaker. Operating temperature range spans -40°F to 122°F for reliable performance in extreme climates.
Certified to UL1741, CSA 22.2 No. 107.1:2016, and UL869A, this ATS meets rigorous safety and grid interconnection standards. A dependable transfer switch solution for residential and light commercial solar storage installations requiring code-compliant whole-home backup.
Technical Specifications
| Specification | 200A |
|---|---|
| Model | TSS-200-US |
| Nominal Input Voltage | 240V |
| Nominal Frequency | 50/60 Hz |
| AC Frequency Range | 45–65 Hz |
| Operating Voltage Range (L-L) | 180–270V |
| Max. Grid Power | 48000 VA |
| Max. Grid Current | 160A |
| AC Main Circuit Breaker | 200A |
| Grid Switchover Time | <400ms |
| Rated Backup Power (L-L) | 10000 VA |
| Rated Backup Power (L-N) | 5000 VA |
| Output Voltage | 120/240 VAC |
| Max. Continuous Current (L-N) | 25A @ 120VAC |
| Max. Continuous Current (L-L) | 48A @ 240VAC |
| Imbalance Compensation | 3000W |
| Max. Continuous Output Current | 48A |
| Cooling | Natural Convection |
| Enclosure Rating | NEMA 4X / IP65 |
| Installation | Wall Mount |
| Operating Temperature | -40°F to 122°F (-40°C to +50°C) |
| Operating Humidity | Up to 100% Non-Condensing |
| Max Elevation | 9842 ft. (3000 m) |
| Noise | <35 dB |
| Communications | RS485 |
| Energy Meter | Import/Export, 1% Accuracy |
| Manual Bypass Switch | Yes |
| Dimensions (W x H x D) | 17.9 x 21.65 x 9.7 in. |
| Weight | 65 lbs |
| Warranty | 132 Months |
| Certifications | UL1741, CSA 22.2 No. 107.1:2016, UL869A |
| Part Number | 801-200200-0201 |

