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The Sungrow DTSU666-20 is a highly accurate 3-phase smart energy meter designed for real-time monitoring of electrical consumption. With Class 1 measurement accuracy and a dual-channel CT input, it provides precise data for solar and energy management systems. This meter supports RS485 Modbus communication for seamless integration with inverters and monitoring platforms.
Designed for durability and efficiency, the DTSU666-20 has an overall power consumption of just 1.5W and an IP20-rated enclosure for safe indoor installations. It operates within a voltage range of 85-485V AC and supports current measurement up to 3000A when using Rogowski coils. The LCD display allows easy access to electrical parameters, making it ideal for commercial and residential energy monitoring applications.
Q: What is the measurement accuracy of this energy meter?
A: The DTSU666-20 has Class 1 accuracy for highly precise energy monitoring.
Q: How does this meter communicate with inverters?
A: It uses an RS485 Modbus interface for seamless integration with monitoring systems.
Q: What current transformer (CT) options are compatible?
A: It supports split-core CTs (100A or 250A) and Rogowski coils (up to 3000A).
(DTSU666-20)
Warranty starts from Invoice Date
Domestic Use: 1 Years from installation date but no more than 2 years from manufacturing date.
Commercial Use: 1 Years from installation date but no more than 2 years from manufacturing date.
Warranty Method: Return to Sparky Direct
| Parameters | Specifications |
|---|---|
| Nominal voltage | 230/400Vac |
| Input voltage range | 57.7/100Vac ... 265/460Vac |
| Input current | 3x(5)80A |
| Grid frequency | 50Hz/60Hz |
| Operating temperature | -30°C ... +60°C |
| Relative humidity | < 75% |
| Dimensions (W x H x D) | 72 x 65 x 100 (mm) |
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | SUNGROW |
| SKU | DTSU666-20 |
| TYPE | VALUE |
|---|---|
| Type | Energy Meter |
| Brand | Sungrow |
| Colour | White |
| IP Rating | IP20 |
| Accuracy | Class 1 |
| Mounting Type | 35mm Din-rail |
| Terminal Holes Size | 1 - 6mm² |
| Insulation Resistance | ＞ 100MΩ |
| Rated Voltage (V) | 240/415 |
| Comm Terminal Size | 0.2 - 1mm² |
| CT Type | 100A, 250A |
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