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Growatt SYN 200U-23-US 200 A backup interconnect box

Model: SYN 200U-23-US · SKU: Not documented

Prepared Nov 12, 2026

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Common specifications

Maximum current	200 ASource [1]
Service voltage	240 V L-L (180 to 270 V); 60 HzSource [1]
Poles	Not documented
Transfer time	20 msSource [1]
Generator input	Generator connection: 20000 W maximum, 100 A continuous input, two-wire startSource [1]
PV and storage ports	Three inverter inputs, 11400 W and 47.5 A at 240 V eachSource [1]
Enclosure	IP65Source [1]
Safety listing	UL 1741, UL 869A, UL 9540, CSA 22.2 NO. 107, CSA 22.2#0.19; FCC part15 class BSource [1]
Enclosure volume	47.87 L** Calculated from recorded external dimensions
Warranty term	Not documented

All recorded specifications

Communications	ETH, WIFI, Bluetooth 5.0, RS485, CANDocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Device type	Backup interconnect box for up to three MIN TL-XH2-US inverters, with built-in 200 A grid breakerDocumented claim Conditions As printed. Location: Page 1, Page 1, features As printed. Location: Page 1, Page 1, features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Dimensions	191.3 D × 455 W × 550 H mm7.53 D × 17.9 W × 21.7 H in convertedDocumented claim Conditions Printed as 550455191.3mm (H/W/D). Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Printed as 550455191.3mm (H/W/D). Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Enclosure	IP65Documented claim Conditions Printed as Ip65; page 1 says NEMA 4X protection level. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Printed as Ip65; page 1 says NEMA 4X protection level. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Generator input	Generator connection: 20000 W maximum, 100 A continuous input, two-wire startDocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Generator As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Generator Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Maximum current	200 ADocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, AC To main distribution panel As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, AC To main distribution panel Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Mounting	Wall mountDocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Operating temperature	-40 to 50 °C-40 to 122 °F convertedDocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
PV and storage ports	Three inverter inputs, 11400 W and 47.5 A at 240 V eachDocumented claim Conditions Printed as 11400W3 and 47.5A3; the page's Number of inverter inputs row reads 3 on the rendered page. Location: Page 2, SYN 200U-23 US datasheet page 2, Input From Inverter Printed as 11400W3 and 47.5A3; the page's Number of inverter inputs row reads 3 on the rendered page. Location: Page 2, SYN 200U-23 US datasheet page 2, Input From Inverter Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Safety listing	UL 1741, UL 869A, UL 9540, CSA 22.2 NO. 107, CSA 22.2#0.19; FCC part15 class BDocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Standard compliance As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, Standard compliance Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Service voltage	240 V L-L (180 to 270 V); 60 HzDocumented claim Conditions As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, AC To main distribution panel As printed. Location: Page 2, SYN 200U-23 US datasheet page 2, AC To main distribution panel Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Transfer time	20 msDocumented claim Conditions Printed as 20ms or less. Location: Page 2, SYN 200U-23 US datasheet page 2, Input from grid Printed as 20ms or less. Location: Page 2, SYN 200U-23 US datasheet page 2, Input from grid Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]
Weight	16.5 kg36.4 lb convertedDocumented claim Conditions Printed as 36.38 lbs (16.5 kg), the net weight. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Printed as 36.38 lbs (16.5 kg), the net weight. Location: Page 2, SYN 200U-23 US datasheet page 2, Additional features Official datasheet · SYN 200U-23 US datasheet, EN 202607 (Growatt USA) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

SYN 200U-23 US datasheet, EN 202607 (Growatt USA)Official datasheet · Revision EN 202607 · Checked Nov 3, 2026https://us.growatt.com/upload/file/SYN_200U-23_US_Datasheet_EN_202607.pdf