Product Change Notice on Smart Power Sensor
Due to the evolution of our product portfolio and a continuous focus on delivering the highest-value solutions to our customers, this information serves as formal communication of Huawei Digital Power Technologies' intent to terminate the sales of the Smart Power Sensor products DDSU666-H (code: 20022248) and DTSU666-H 250A/50mA (code: 20022249-001). At the same time, Huawei is offering the replacement products SmartPS-100A-S0 (Code: 20022248-002) and SmartPS-250A-T0 (Code: 20022249-003), which feature improved capabilities such as a higher communication baud rate.
Products Involved
| Code | Sales Model | Description | Supplier and model |
|---|---|---|---|
| 20022248 | DDSU666-H | Single-phase meter 100A | Chint DDSU666-H |
| 20022249-001 | DTSU666-H 250A/50mA | Three-phase meter 250A | Chint DTSU666-H 250A/50mA |
Replacement Products
| Code | Sales Model | Description | Supplier and model |
|---|---|---|---|
| 20022248-002 | SmartPS-100A-S0 | Single-phase meter 100A | YADA YDS70-C16, Chint DDSU71, Linyang DDSU1079-CT |
| 20022249-003 | SmartPS-250A-T0 | Three-phase meter 250A | YADA YDS60-C24, Chint DTSU666-H 250A/50mA, Linyang DTSU71, Dongfang Wisdom DHSU1079-CT |
End-of-Market (EOM) Dates and Timelines
The old products have an EOM date of April 15, 2025, except for the Europe Region and Thailand Representative Office, where the timelines differ. The replacement product will be available for ordering starting from March 1, 2025.
Europe Region EOM Dates and Switch Plan
Considering the current inventory at the Europe Supply Center, the EOM date for old product 20022248 in Europe is extended to June 30, 2025, while 20022249-001 in Europe is extended to May 31, 2025.
Switch Plan for Product 20022248 (DDSU666-H) in Europe:
| Time Range | Old Product (DDSU666-H) | Replacement Product (SmartPS-100A-S0) |
|---|---|---|
| 2025-03-31 and before | Available | Available |
| From 2025-04-01 to 2025-05-31 | Unavailable | Available |
| From 2025-06-01 to 2025-06-30 | Available (Approval required) | Available (Approval required) |
| 2025-07-01 and later | Unavailable | Available |
Switch Plan for Product 20022249-001 (DTSU666-H 250A/50mA) in Europe:
| Time Range | Old Product (DTSU666-H 250A/50mA) | Replacement Product (SmartPS-250A-T0) |
|---|---|---|
| 2025-04-30 and before | Available | Available |
| From 2025-05-01 to 2025-05-31 | Available (Approval required) | Available (Approval required) |
| 2025-06-01 and later | Unavailable | Available |
Key Product Feature Changes
Differences Between DDSU666-H and SmartPS-100A-S0
The following details compare the older DDSU666-H with the new SmartPS-100A-S0.
Appearance
The devices are single-phase smart power sensors. Orientation arrows indicate Height (H), Depth (D), and Width (W).
DDSU666-H: A compact, DIN rail mountable unit with a clear LCD display and input/output terminals. Features CE marking.
SmartPS-100A-S0 (YDS70-C16): Similar form factor to DDSU666-H, DIN rail mountable, with an LCD display and terminals. Features CE, UKCA, and other markings.
Label on Box (Single Product)
Labels contain product identification details including ITEM code, description (in English and Chinese), quantity, manufacturer code, lot number, date, MPN (Manufacturer Part Number), country of origin (CHINA), and remarks (e.g., ROHS, CE, UK, CA).
Label on Box (Multiple Products)
Labels for multi-product boxes contain similar identification details, along with Gross Weight (G.W) and Net Weight (N.W) in kilograms.
Dimensions (W×H×D)
| Model | Dimensions (W×H×D) |
|---|---|
| DDSU666-H | 36 × 100 × 65.5 mm |
| SmartPS-100A-S0 (YDS70-C16) | 36 × 101 × 66 mm |
Baud Rate
| Model | Baud Rate |
|---|---|
| DDSU666-H | 4800/9600 (Default 9600bps) |
| SmartPS-100A-S0 | 4800/9600/19200/115200 (Default 9600bps) |
Data Refresh Period
| Model | Data Refresh Period |
|---|---|
| DDSU666-H | <0.35s |
| SmartPS-100A-S0 | Power & Power Factor: ≤75ms; Other data: ≤200ms |
Dimension of CT
The Current Transformer (CT) dimensions are provided. For DDSU666-H, the CT is approximately 29.8 mm in diameter. For SmartPS-100A-S0, CT dimensions are approximately 32 mm and 47 mm.
Pallet Dimensions
| Model | Pallet Dimensions (L×W×H) | Products/Pallet |
|---|---|---|
| DDSU666-H | 1200 × 800 × 1391 mm | 144 |
| SmartPS-100A-S0 | 1200 × 800 × 1134 mm | 288 |
Differences Between DTSU666-H 250A/50mA and SmartPS-250A-T0
The following details compare the older DTSU666-H 250A/50mA with the new SmartPS-250A-T0.
Appearance
The devices are three-phase smart power sensors. Orientation arrows indicate Height (H), Depth (D), and Width (W).
DTSU666-H 250A/50mA: A DIN rail mountable unit with an LCD display and terminals. Features CE marking.
SmartPS-250A-T0 (YDS60-C24): Similar form factor, DIN rail mountable, with an LCD display and terminals. Features CE, UKCA, and other markings.
Label on Box (Single Product)
Labels contain product identification details including ITEM code, description (in English and Chinese), quantity, manufacturer code, lot number, date, MPN, country of origin (CHINA), and remarks (e.g., ROHS, CE, UK, CA).
Label on Box (Multiple Products)
Labels for multi-product boxes contain similar identification details, along with Gross Weight (G.W) and Net Weight (N.W) in kilograms.
Dimensions (W×H×D)
| Model | Dimensions (W×H×D) |
|---|---|
| DTSU666-H 250A/50mA | 72 x 100 x 65.5 mm |
| SmartPS-250A-T0 (YDS60-C24) | 72 ×101 × 66 mm |
Baud Rate
| Model | Baud Rate |
|---|---|
| DTSU666-H 250A/50mA | 4800/9600 (Default 9600bps) |
| SmartPS-250A-T0 | 4800/9600/19200/115200 (Default 9600bps) |
Data Refresh Period
| Model | Data Refresh Period |
|---|---|
| DTSU666-H 250A/50mA | <0.35s |
| SmartPS-250A-T0 | Power & Power Factor: ≤75ms; Other data: ≤200ms |
Dimension of CT
The Current Transformer (CT) dimensions are provided. For DTSU666-H 250A/50mA, CT dimensions are approximately 30mm x 47mm x 32mm. For SmartPS-250A-T0, CT dimensions are approximately 52mm x 42mm x 77mm.
Pallet Dimensions
| Model | Pallet Dimensions (L×W×H) | Products/Pallet |
|---|---|---|
| DTSU666-H 250A/50mA | 1200 × 800 × 1391 mm | 144 |
| SmartPS-250A-T0 | 1200 × 800 × 1130 mm | 192 |
Kind regards!
Huawei Digital Power Technologies Co.,Ltd
February, 2025
