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Tigo EI Automatic Transfer Switch, 200 A with generator support (TSS-200-US-G, 801-200200-0301)

Model: TSS-200-US-G · SKU: 801-200200-0301

Prepared Nov 13, 2026

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Common specifications

Current rating	200 ASource [1]
Voltage rating	240 VSource [1]
Poles	Not documented
Operation	AutomaticSource [1]
Input sources	Not documented
Transfer time	500 msSource [1]
Enclosure	NEMA 4X (IP65)Source [1]
Safety listing	UL 1741, UL 869A, CSA 22.2 No. 107.1, CSA 22.2 No. 0.19Source [1]
Mounting	Wall mountSource [1]
Weight	29.5 kg65 lb convertedSource [1]
Dimensions	245 D × 550 W × 455 H mm9.65 D × 21.7 W × 17.9 H in convertedSource [1]
Enclosure volume	61.31 L** Calculated from recorded external dimensions
Warranty term	11 yearsSource [1]

All recorded specifications

Current rating	200 ADocumented claim Conditions Printed as "200 A ATS MCB w/ generator support" in the ordering table and "Maximum input current 48 A 200 A" in the Grid section, where 200 A is the 200 A column. The maximum continuous grid input current is printed as 160 A. Location: Ordering Information; Grid, 200 A column Printed as "200 A ATS MCB w/ generator support" in the ordering table and "Maximum input current 48 A 200 A" in the Grid section, where 200 A is the 200 A column. The maximum continuous grid input current is printed as 160 A. Location: Ordering Information; Grid, 200 A column Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Dimensions	245 D × 550 W × 455 H mm9.65 D × 21.7 W × 17.9 H in convertedDocumented claim Conditions Printed as "455/550/245 mm (17.9/21.6/9.6 in.)" in the 200 A column of the height/width/depth row. Location: Environmental, Height/width/depth, 200 A column Printed as "455/550/245 mm (17.9/21.6/9.6 in.)" in the 200 A column of the height/width/depth row. Location: Environmental, Height/width/depth, 200 A column Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Enclosure	NEMA 4X (IP65)Documented claim Conditions Printed as "Ingress protection NEMA 4X (IP65)". Location: General Printed as "Ingress protection NEMA 4X (IP65)". Location: General Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Mounting	Wall mountDocumented claim Conditions Printed as "Installation Wall mount". Location: General Printed as "Installation Wall mount". Location: General Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Operation	AutomaticDocumented claim Conditions Printed as "EI Automatic Transfer Switch (ATS)"; a manual bypass switch is printed as "Yes" for the 200 A models. Location: Title Printed as "EI Automatic Transfer Switch (ATS)"; a manual bypass switch is printed as "Yes" for the 200 A models. Location: Title Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Safety listing	UL 1741, UL 869A, CSA 22.2 No. 107.1, CSA 22.2 No. 0.19Documented claim Conditions Printed as "TSS-200-US/G – UL 1741, UL 869A, CSA 22.2 No. 107.1, CSA 22.2 No. 0.19". These are the maker's statements; no listing record was checked. Location: Certifications Printed as "TSS-200-US/G – UL 1741, UL 869A, CSA 22.2 No. 107.1, CSA 22.2 No. 0.19". These are the maker's statements; no listing record was checked. Location: Certifications Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Transfer time	500 msDocumented claim Conditions Printed as "Grid to inverter switchover time <2 sec. <500 msec.", where <500 msec. is the 200 A column; the value is an upper bound (less than 500 ms). The Generator Support table prints "Off-grid to generator switchover <500 msec." and "Generator to off-grid switchover <600 msec.". Location: Grid, 200 A column Printed as "Grid to inverter switchover time <2 sec. <500 msec.", where <500 msec. is the 200 A column; the value is an upper bound (less than 500 ms). The Generator Support table prints "Off-grid to generator switchover <500 msec." and "Generator to off-grid switchover <600 msec.". Location: Grid, 200 A column Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Voltage rating	240 VDocumented claim Conditions Printed as "Nominal voltage 240 V" for the grid, with an operating voltage range (L-L) of 180 to 270 V; the output is printed as 120/240 VAC. Location: Grid Printed as "Nominal voltage 240 V" for the grid, with an operating voltage range (L-L) of 180 to 270 V; the output is printed as 120/240 VAC. Location: Grid Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]
Weight	29.5 kg65 lb convertedDocumented claim Conditions Printed as "Weight 15.6 kg (34.3 lb.) 29.5 kg (65 lb.)", where 29.5 kg is the 200 A column. Location: Environmental, 200 A column Printed as "Weight 15.6 kg (34.3 lb.) 29.5 kg (65 lb.)", where 29.5 kg is the 200 A column. Location: Environmental, 200 A column Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]

Warranty

Warranty term	11 yearsDocumented claim Conditions Printed as "Warranty 11 years". Location: General Printed as "Warranty 11 years". Location: General Official datasheet · EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy [1]

Certificate records

No records documented.

Sources and revisions

EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo EnergyOfficial datasheet · Revision Rev. 3.1 · 2024-08-14 · Checked Oct 2, 2026https://cdn.prod.website-files.com/5fad551d7419c7a0e9e4aba4/66bd2d3ed2517e70e6d0c01f_002-00087-00%203.1%20Datasheet%20EI%20US%20ATS%2020240814%20-%20EN.pdf
EI Automatic Transfer Switch product page, Tigo EnergyOfficial product page · Checked Oct 2, 2026https://www.tigoenergy.com/product/ats