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Hoymiles HMID-200-USG1 Microgrid Interconnect Device

Model: HMID-200-USG1 · SKU: Not documented

Prepared Nov 12, 2026

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Common specifications

Maximum current	160 ASource [1]
Service voltage	120/240 V AC split phase, 60 HzSource [1]
Poles	Not documented
Transfer time	Not documented
Generator input	100 A continuous, 125 A maximum overcurrent protection device (generator mode, maximum generator current 100 A)Source [1, 2]
PV and storage ports	Solar: 64 A continuous, 80 A maximum overcurrent protection device; storage: 48 A continuous, 60 A maximum overcurrent protection device (three storage branches); smart load: 64 A continuous, 80 A maximum overcurrent protection device; up to three Hoymiles energy storage invertersSource [1, 2]
Enclosure	Type 3RSource [1]
Safety listing	UL 1741, CSA C22.2 NO.107.1, UL 1741 PCS, UL 67, UL 869A; FCC part 15 class BSource [1]
Enclosure volume	68.57 L** Calculated from recorded external dimensions
Warranty term	Not documented

All recorded specifications

Device type	Microgrid interconnect device for whole-home backup with Hoymiles energy storage inverters: transfers between on-grid and backup mode through a 200 A contactor with manual overrideDocumented claim Conditions The datasheet title prints "HMID-200-USG1 Microgrid Interconnect Device"; datasheet and page print "HMID-200-USG1 paired with Hoymiles energy storage inverter provides an elegant whole home backup solution for residents.", "Reliable operation mode transition with 200 A contactor" and "Integrated with contactor manual override". Location: PDF page 1, title, description and features; product page introduction and Features The datasheet title prints "HMID-200-USG1 Microgrid Interconnect Device"; datasheet and page print "HMID-200-USG1 paired with Hoymiles energy storage inverter provides an elegant whole home backup solution for residents.", "Reliable operation mode transition with 200 A contactor" and "Integrated with contactor manual override". Location: PDF page 1, title, description and features; product page introduction and Features Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture)Official product page · Hoymiles HMID-200-USG1 product page, North America (November 2, 2026 capture) [1, 2]
Dimensions	141 D × 651 W × 747 H mm5.55 D × 25.6 W × 29.4 H in convertedDocumented claim Conditions Printed as "25.63 × 29.4 × 5.55 inch (651 × 747 × 141 mm)", width by height by depth. Location: PDF page 2, Technical Specifications, General, Dimensions (W × H × D) Printed as "25.63 × 29.4 × 5.55 inch (651 × 747 × 141 mm)", width by height by depth. Location: PDF page 2, Technical Specifications, General, Dimensions (W × H × D) Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
Enclosure	Type 3RDocumented claim Conditions Printed as "Protection degree Type 3R". Location: PDF page 2, Technical Specifications, General, Protection degree Printed as "Protection degree Type 3R". Location: PDF page 2, Technical Specifications, General, Protection degree Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
Generator input	100 A continuous, 125 A maximum overcurrent protection device (generator mode, maximum generator current 100 A)Documented claim Conditions Printed as "Connection to Generator Max. continuous current rating (A) 100 Max. overcurrent protection device rating (A) 125"; datasheet and page print "Supports generator mode with a maximum generator current of 100 A". Location: PDF page 2, Technical Specifications, Connection to Generator; features Printed as "Connection to Generator Max. continuous current rating (A) 100 Max. overcurrent protection device rating (A) 125"; datasheet and page print "Supports generator mode with a maximum generator current of 100 A". Location: PDF page 2, Technical Specifications, Connection to Generator; features Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture)Official product page · Hoymiles HMID-200-USG1 product page, North America (November 2, 2026 capture) [1, 2]
Included breakers or fuses	10 kA maximum short circuit current ratingDocumented claim Conditions Printed as "Max. short circuit current rating (kA) 10" and "Overvoltage category Category IV"; datasheet and page print "Maximum 10 kA short circuit current protection". Location: PDF page 2, Technical Specifications, Max. short circuit current rating (kA); features Printed as "Max. short circuit current rating (kA) 10" and "Overvoltage category Category IV"; datasheet and page print "Maximum 10 kA short circuit current protection". Location: PDF page 2, Technical Specifications, Max. short circuit current rating (kA); features Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture)Official product page · Hoymiles HMID-200-USG1 product page, North America (November 2, 2026 capture) [1, 2]
Maximum current	160 ADocumented claim Conditions Printed as "Max. continuous current rating (A) 160" for the grid and household distribution connection; the same table prints "Max. grid port overcurrent rating (A)(1) 200" and "Max. backup load port overcurrent protection device (A) 200". Location: PDF page 2, Technical Specifications, Connection to Utility Grid and Household Distribution, Max. continuous current rating (A) Printed as "Max. continuous current rating (A) 160" for the grid and household distribution connection; the same table prints "Max. grid port overcurrent rating (A)(1) 200" and "Max. backup load port overcurrent protection device (A) 200". Location: PDF page 2, Technical Specifications, Connection to Utility Grid and Household Distribution, Max. continuous current rating (A) Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
Mounting	Wall mountingDocumented claim Conditions Printed as "Mounting Wall mounting". Location: PDF page 2, Technical Specifications, General, Mounting Printed as "Mounting Wall mounting". Location: PDF page 2, Technical Specifications, General, Mounting Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
Operating temperature	-20 to 50 °C-4 to 122 °F convertedDocumented claim Conditions Printed as "-4 to +122°F (-20 to +50°C)". Location: PDF page 2, Technical Specifications, General, Operation temperature Printed as "-4 to +122°F (-20 to +50°C)". Location: PDF page 2, Technical Specifications, General, Operation temperature Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
PV and storage ports	Solar: 64 A continuous, 80 A maximum overcurrent protection device; storage: 48 A continuous, 60 A maximum overcurrent protection device (three storage branches); smart load: 64 A continuous, 80 A maximum overcurrent protection device; up to three Hoymiles energy storage invertersDocumented claim Conditions Printed as "Connection to Inverter Max. continuous current rating for solar (A) 64 Max. overcurrent protection device rating for solar (A) 80 Max. continuous current rating for storage (A) 48 Max. overcurrent protection device rating for storage (A)(2) 60 Connection to Smart Load Max. continuous current rating (A) 64 Max. overcurrent protection device rating (A) 80", with the note "(2) There are three branches for storage connection."; datasheet and page print "Supports whole-home backup; Up to three energy storage inverters can be connected". Location: PDF page 2, Technical Specifications, Connection to Inverter and Connection to Smart Load; features Printed as "Connection to Inverter Max. continuous current rating for solar (A) 64 Max. overcurrent protection device rating for solar (A) 80 Max. continuous current rating for storage (A) 48 Max. overcurrent protection device rating for storage (A)(2) 60 Connection to Smart Load Max. continuous current rating (A) 64 Max. overcurrent protection device rating (A) 80", with the note "(2) There are three branches for storage connection."; datasheet and page print "Supports whole-home backup; Up to three energy storage inverters can be connected". Location: PDF page 2, Technical Specifications, Connection to Inverter and Connection to Smart Load; features Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture)Official product page · Hoymiles HMID-200-USG1 product page, North America (November 2, 2026 capture) [1, 2]
Safety listing	UL 1741, CSA C22.2 NO.107.1, UL 1741 PCS, UL 67, UL 869A; FCC part 15 class BDocumented claim Conditions Printed as "Certifications and Standards Safety regulations UL 1741, CSA C22.2 NO.107.1, UL 1741 PCS, UL 67, UL 869A EMC FCC part 15 class B". Manufacturer claims; no issuer directory was checked. Location: PDF page 2, Technical Specifications, Certifications and Standards Printed as "Certifications and Standards Safety regulations UL 1741, CSA C22.2 NO.107.1, UL 1741 PCS, UL 67, UL 869A EMC FCC part 15 class B". Manufacturer claims; no issuer directory was checked. Location: PDF page 2, Technical Specifications, Certifications and Standards Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
Service voltage	120/240 V AC split phase, 60 HzDocumented claim Conditions Printed as "Nominal AC voltage (V) 120/240 (split phase)" and "Nominal grid frequency (Hz) 60". Location: PDF page 2, Technical Specifications, Connection to Utility Grid and Household Distribution Printed as "Nominal AC voltage (V) 120/240 (split phase)" and "Nominal grid frequency (Hz) 60". Location: PDF page 2, Technical Specifications, Connection to Utility Grid and Household Distribution Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]
Weight	21 kg46 lb convertedDocumented claim Conditions Printed as "46.3 lb/21 kg". Location: PDF page 2, Technical Specifications, General, Weight Printed as "46.3 lb/21 kg". Location: PDF page 2, Technical Specifications, General, Weight Official datasheet · Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture) [1]

Warranty

Certificate records

No records documented.

Sources and revisions

Hoymiles HMID-200-USG1 Microgrid Interconnect Device datasheet (Region: North America, REV1.1) (November 2, 2026 capture)Official datasheet · Revision REV1.1 · Checked Nov 1, 2026https://w3oss.hoymiles.com/uploadfile/1/202507/0ebd42d2c9.pdf
Hoymiles HMID-200-USG1 product page, North America (November 2, 2026 capture)Official product page · Checked Nov 1, 2026https://www.hoymiles.com/us/products/hmid-200-usg1.html