Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter: Hoymiles HMeter-CT-S120-RW, from page 1 of its own datasheet, headed "SINGLE-PHASE SMART METER"; the meter's front reads "Single-phase Smart Meter". Figure from the manufacturer's document, page 1. The embedded picture is shown on a white background.

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Image source: Hoymiles HMeter-CT-S120-RW, from page 1 of its own datasheet, headed "SINGLE-PHASE SMART METER"; the meter's front reads "Single-phase Smart Meter". Figure from the manufacturer's document, page 1. The embedded picture is shown on a white background.

Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter

Name: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter
Brand: Hoymiles

By HoymilesSKU not documented

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Device typeSingle-Phase smart meter with current transformers, DIN rail Max switched load (A)Not statedMax switched load (W)Not statedMeasurement channelsSingle-Phase, grid type 1P2W Current sensorsCurrent transformer, 1 m cable Current rating120 A

Key specs

Units

Weight: 0.07 kg0.16 lb converted
Converted: 71 g / 1000 g/kg = 0.071 kg
Official datasheet
Sources
Converted: 71 g / 1000 g/kg = 0.071 kg
Printed as "Weight 71 g" (written in kg).
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Weight
Converted
Device type: Single-Phase smart meter with current transformers, DIN rail
Official datasheet
Sources
Printed as "Grid type 1P2W", "Mounting mode Snap-on By DIN 35 Rail" and "Current transformer cable length 1 m".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Grid type; Mechanical Specifications
Documented
Power input: Power consumption 2 W
Official datasheet
Sources
Printed as "Power consumption 2 W"; frequency 50/60 Hz, overvoltage category CAT III.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Power consumption
Documented
Accuracy: 1 %
Official datasheet
Sources
Active power accuracy, printed as "Active power ±1% (conforming to IEC 62053-21 Class 1)"; the same table prints reactive power ±2%, voltage ±0.5% and current ±0.5% from 4 to 120 A.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Measurement Accuracy, Active power
Documented
Dimensions: 0.12 L
Calculated: Enclosure volume: W × H × D ÷ 1,000,000
W: 19 × H: 94.5 × D: 68.5 mmW: 0.75 × H: 3.72 × D: 2.7 in convertedOfficial datasheet
Sources
Printed as "19 × 94.5 × 68.5 mm", width by height by depth.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Dimensions (W × H × D)
Calculated
Mounting: Snap-on DIN 35 rail
Official datasheet
Sources
Printed as "Mounting mode Snap-on By DIN 35 Rail" and "DIN-35 rail snap-on mounting supports quick deployment".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Mounting mode; PDF page 1, features
Documented
Communications: WLAN (Wi-Fi 802.11 b/g/n), Modbus TCP; RS-485, Modbus RTU; BLE 5.0
Official datasheet
Sources
Printed as "Supported communication interface WLAN / RS-485", "Port protocol Modbus TCP / Modbus RTU", "Wi-Fi 802.11 b/g/n" and "Bluetooth protocol BLE 5.0"; the default baud rate is printed as 9600.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Communication Specifications
Documented
Voltage range: 100 to 277 V
Official datasheet
Sources
Printed as "Input voltage range 100 to 277 V".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Input voltage range
Documented

All specs13

Weight: 0.07 kg0.16 lb converted
Converted: 71 g / 1000 g/kg = 0.071 kg
Official datasheet
Sources
Converted: 71 g / 1000 g/kg = 0.071 kg
Printed as "Weight 71 g" (written in kg).
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Weight
Converted
Device type: Single-Phase smart meter with current transformers, DIN rail
Official datasheet
Sources
Printed as "Grid type 1P2W", "Mounting mode Snap-on By DIN 35 Rail" and "Current transformer cable length 1 m".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Grid type; Mechanical Specifications
Documented
Power input: Power consumption 2 W
Official datasheet
Sources
Printed as "Power consumption 2 W"; frequency 50/60 Hz, overvoltage category CAT III.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Power consumption
Documented
Accuracy: 1 %
Official datasheet
Sources
Active power accuracy, printed as "Active power ±1% (conforming to IEC 62053-21 Class 1)"; the same table prints reactive power ±2%, voltage ±0.5% and current ±0.5% from 4 to 120 A.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Measurement Accuracy, Active power
Documented
Dimensions: 68.5 D × 19 W × 94.5 H mm2.7 D × 0.75 W × 3.72 H in converted
Official datasheet
Sources
Printed as "19 × 94.5 × 68.5 mm", width by height by depth.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Dimensions (W × H × D)
Documented
Mounting: Snap-on DIN 35 rail
Official datasheet
Sources
Printed as "Mounting mode Snap-on By DIN 35 Rail" and "DIN-35 rail snap-on mounting supports quick deployment".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Mounting mode; PDF page 1, features
Documented
Communications: WLAN (Wi-Fi 802.11 b/g/n), Modbus TCP; RS-485, Modbus RTU; BLE 5.0
Official datasheet
Sources
Printed as "Supported communication interface WLAN / RS-485", "Port protocol Modbus TCP / Modbus RTU", "Wi-Fi 802.11 b/g/n" and "Bluetooth protocol BLE 5.0"; the default baud rate is printed as 9600.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Communication Specifications
Documented
Voltage range: 100 to 277 V
Official datasheet
Sources
Printed as "Input voltage range 100 to 277 V".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Input voltage range
Documented
Current rating: 120 A
Official datasheet
Sources
Printed as "Current range 0 to 120 A".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Current range
Documented
Enclosure: IP20
Official datasheet
Sources
Printed as "Enclosure protection rating IP20".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Enclosure protection rating
Documented
Current sensors: Current transformer, 1 m cable
Official datasheet
Sources
Printed as "Current transformer cable length 1 m"; the features print a quick-connect design for the CT.
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Current transformer cable length
Documented
Measurement channels: Single-Phase, grid type 1P2W
Official datasheet
Sources
Printed as "Grid type 1P2W".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Electrical Specifications, Grid type
Documented
Operating temperature: -40 to 70 °C-40 to 158 °F converted
Official datasheet
Sources
Printed as "Operating temperature range -40℃ to +70℃".
Official datasheet: Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture) Rev REV1.4 · Checked Nov 1, 2026 · Earlier document
Location: PDF page 2, Technical Specifications, Mechanical Specifications, Operating temperature range
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

PDF
Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture)OfficialHoymilesOfficial datasheet
Source details
Revision
REV1.4
Revision date
Not stated
Reached from Hoymiles' download page https://www.hoymiles.com/downloads/hoymiles-datasheet-hmeter-ct-s120-rw-global-en.html; obtained by Alternative Research, captured 2026-11-02T02:08:30.178Z (archived copy).
Location: PDF page 1 (features); PDF page 2, Technical Specifications (Model HMeter-CT-S120-RW)
Retrieved Nov 1, 2026
Hoymiles' own datasheet for the HMeter-CT-S120-RW single-phase smart meter (Region: Global, REV1.4), listed on Hoymiles' download page https://www.hoymiles.com/downloads/hoymiles-datasheet-hmeter-ct-s120-rw-global-en.html, which redirects to this file on Hoymiles' file host. Obtained by Alternative Research on November 2, 2026 (captured 02:08:30.178 UTC), because Hoymiles' file host answers our fetcher with a 403; each fact was checked against the printed page. Manufacturer claims, not independent tests.
Archived copies
Archived copy of a document published by Hoymiles. 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 REV1.4 · 0.21 MB
Archived copy, unaltered, kept as a record of what Hoymiles published. Original address: https://w3oss.hoymiles.com/uploadfile/1/202608/8ba70bf2df.pdf. Copyright and takedown
Source first found
Nov 2, 2026
This copy captured
Nov 1, 2026, 6:08 PM PST
Archived
Nov 1, 2026, 6:10 PM PST
File details
Original source
Pages
2
Embedded creation date
Aug 4, 2026
Embedded modification date
Aug 14, 2026
Embedded dates are file metadata, not independent proof of publication.
SHA-256: a1da3ebc19f99cf2b22629209bd8bcfa772a30c9795b05a7bb3a66450b2da15f
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Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

Archived documents

Hoymiles HMeter-CT-S120-RW Single-Phase Smart Meter datasheet (Region: Global, REV1.4) (November 2, 2026 capture)

Archived copy of a document published by Hoymiles. 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 REV1.4 · 0.21 MB

Archived copy, unaltered, kept as a record of what Hoymiles published. Original address: https://w3oss.hoymiles.com/uploadfile/1/202608/8ba70bf2df.pdf. Copyright and takedown