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

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

By Tigo EnergySKU 801-200200-0301

Transfer switches

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Current rating200 A Voltage rating240 V PolesNot stated OperationAutomatic Input sourcesNot stated Transfer time500 ms

Key specs

Units

SKU: 801-200200-0301
Official datasheet
Sources
Tigo prints "200 A ATS MCB w/ generator support TSS-200-US-G 801-200200-0301" in the ordering table.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Ordering Information
Documented
Weight: 29.5 kg65 lb converted
Official datasheet
Sources
Printed as "Weight 15.6 kg (34.3 lb.) 29.5 kg (65 lb.)", where 29.5 kg is the 200 A column.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Environmental, 200 A column
Documented
Safety listing: UL 1741, UL 869A, CSA 22.2 No. 107.1, CSA 22.2 No. 0.19
Official datasheet
Sources
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.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Certifications
Documented
Dimensions: 61.31 L
Calculated: Enclosure volume: W × H × D ÷ 1,000,000
W: 550 × H: 455 × D: 245 mmW: 21.7 × H: 17.9 × D: 9.65 in convertedOfficial datasheet
Sources
Printed as "455/550/245 mm (17.9/21.6/9.6 in.)" in the 200 A column of the height/width/depth row.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Environmental, Height/width/depth, 200 A column
Calculated
Mounting: Wall mount
Official datasheet
Sources
Printed as "Installation Wall mount".
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: General
Documented
Current rating: 200 A
Official datasheet
Sources
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.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Ordering Information; Grid, 200 A column
Documented
Enclosure: NEMA 4X (IP65)
Official datasheet
Sources
Printed as "Ingress protection NEMA 4X (IP65)".
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: General
Documented
Operation: Automatic
Official datasheet
Sources
Printed as "EI Automatic Transfer Switch (ATS)"; a manual bypass switch is printed as "Yes" for the 200 A models.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Title
Documented
Transfer time: 500 ms
Official datasheet
Sources
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.".
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Grid, 200 A column
Documented

All specs9

Weight: 29.5 kg65 lb converted
Official datasheet
Sources
Printed as "Weight 15.6 kg (34.3 lb.) 29.5 kg (65 lb.)", where 29.5 kg is the 200 A column.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Environmental, 200 A column
Documented
Safety listing: UL 1741, UL 869A, CSA 22.2 No. 107.1, CSA 22.2 No. 0.19
Official datasheet
Sources
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.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Certifications
Documented
Dimensions: 245 D × 550 W × 455 H mm9.65 D × 21.7 W × 17.9 H in converted
Official datasheet
Sources
Printed as "455/550/245 mm (17.9/21.6/9.6 in.)" in the 200 A column of the height/width/depth row.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Environmental, Height/width/depth, 200 A column
Documented
Mounting: Wall mount
Official datasheet
Sources
Printed as "Installation Wall mount".
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: General
Documented
Current rating: 200 A
Official datasheet
Sources
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.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Ordering Information; Grid, 200 A column
Documented
Enclosure: NEMA 4X (IP65)
Official datasheet
Sources
Printed as "Ingress protection NEMA 4X (IP65)".
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: General
Documented
Operation: Automatic
Official datasheet
Sources
Printed as "EI Automatic Transfer Switch (ATS)"; a manual bypass switch is printed as "Yes" for the 200 A models.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Title
Documented
Transfer time: 500 ms
Official datasheet
Sources
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.".
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Grid, 200 A column
Documented
Voltage rating: 240 V
Official datasheet
Sources
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.
Official datasheet: EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy Rev Rev. 3.1 · August 14, 2024 · Checked Oct 2, 2026 · Earlier document
Location: Grid
Documented

Published claims and calculations, not independent test results.

Documents

2 on file

PDF
EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo EnergyOfficialTigo EnergyOfficial datasheetAugust 14, 2024
Source details
Revision
Rev. 3.1
Revision date
August 14, 2024
Archived copy captured on 2026-10-02.
Location: Specifications and Ordering Information
Retrieved Oct 2, 2026
Tigo Energy's EI US ATS datasheet (Rev. 3.1, dated 2024-08-14). Specifications are printed in a 50 A column and a 200 A column; the 200 A column covers both TSS-200-US and TSS-200-US-G, and a separate Generator Support table applies to TSS-200-US-G only.
Archived copies
Archived copy of a document published by Tigo Energy. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived backup Rev. 3.1 · 0.49 MB
Archived copy, unaltered, kept as a record of what Tigo Energy published. Original address: https://cdn.prod.website-files.com/5fad551d7419c7a0e9e4aba4/66bd2d3ed2517e70e6d0c01f_002-00087-00%203.1%20Datasheet%20EI%20US%20ATS%2020240814%20-%20EN.pdf. Copyright and takedown
Source first found
Oct 2, 2026
This copy captured
Oct 2, 2026, 12:50 PM PDT
Archived
Oct 2, 2026, 12:50 PM PDT
File details
Original source
Printed revision date: 2024-08-14
Pages
2
Embedded creation date
Aug 14, 2024
Embedded modification date
Aug 14, 2024
Embedded dates are file metadata, not independent proof of publication.
SHA-256: e7f41648e50869cf52ea3a48d65ded0ecbcad94fff8a185d2af960e4aa5aedcc
Open
WEB
EI Automatic Transfer Switch product page, Tigo EnergyOfficialTigo EnergyOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-02.
Location: Product page
Retrieved Oct 2, 2026
Tigo Energy's ATS product page; the figures are taken from the datasheet it links.
Open

Archive and older revisions0

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

Archived documents

EI Automatic Transfer Switch (ATS) datasheet, 002-00087-00 Rev. 3.1, Tigo Energy

Archived copy of a document published by Tigo Energy. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup Rev. 3.1 · 0.49 MB

Archived copy, unaltered, kept as a record of what Tigo Energy published. Original address: https://cdn.prod.website-files.com/5fad551d7419c7a0e9e4aba4/66bd2d3ed2517e70e6d0c01f_002-00087-00%203.1%20Datasheet%20EI%20US%20ATS%2020240814%20-%20EN.pdf. Copyright and takedown