# SUNGROW | DLM for EV chargers DTSU666 with 100A CT‘s included

- **Brand:** Sungrow
- **SKU:** Sungrow-DTSU666-DLM-100A
- **GTIN:** 2000001356098
- **MPN:** UT000132
- **Price:** 99.00 EUR
- **Availability:** In stock
- **Categories:** Accessories

The Sungrow DTSU666 is a high-accuracy Class 1 three-phase smart meter designed for EV chargers and solar systems. Equipped with a 100 A split-core CT for easy installation, it provides precise real-time measurement of voltage, current, power, and energy. Features RS485 Modbus communication, LCD display, and DIN-rail mounting.

The **Sungrow DTSU666 DLM for EV chargers with 100A CTs** is designed for accurate energy measurement and dynamic load management in photovoltaic and EV charging systems. It enables precise monitoring of electrical parameters and helps optimize energy distribution between loads and charging infrastructure.

The system includes a smart meter and split-core current transformers, allowing indirect current measurement without complex wiring. It ensures reliable data collection for energy management, grid interaction, and load balancing in residential and commercial installations.

### **Accurate Energy Measurement**

1. Measures voltage, current, power and energy
2. Class 1 measurement accuracy
3. Ensures reliable monitoring data
4. Supports precise current measurement via CTs

### **Dynamic Load Management**

1. Optimizes energy distribution for EV chargers
2. Prevents overload of electrical systems
3. Balances power between household and charging loads
4. Improves system efficiency

### **Smart Monitoring and Communication**

1. RS485 communication interface
2. Supports real-time energy monitoring
3. Compatible with energy management systems
4. Reliable data transmission

### **Easy Installation**

1. Split-core CT design for quick installation
2. No need to disconnect existing wiring
3. DIN rail mounting for meter
4. Simple setup in electrical panels

### **Energy Efficient Operation**

1. Low power consumption ≤ 1 W
2. Designed for continuous operation
3. Efficient performance in daily use

### **Typical Applications**

1. EV charger load management systems
2. Solar photovoltaic systems
3. Residential energy monitoring
4. Commercial energy management
5. Smart building energy systems

## Specifications

| Spec | Value |
| --- | --- |
| Thd | <1% |
| Weight | 0.76 kg |
| Cooling | Natural convection |
| Display | LCD digital display |
| Voltage | 230 V AC (L-N), 400 V AC (L-L) |
| Grid tie | Yes, with EV chargers and Sungrow energy management systems |
| Warranty | 120 months |
| Frequency | 50 / 60 Hz |
| Dimensions | 72 × 100 × 65 mm |
| Efficiency | 98.4% |
| Monitoring | Real-time energy monitoring via Sungrow systems (RS485-based) |
| Phase type | single-phase |
| Power factor | 0.2–1.0 |
| Communication | RS485 (Modbus-RTU) |
| Compatibility | Compatible with Sungrow EV chargers, Sungrow inverters, and most Modbus-RTU energy management systems |
| Input voltage | 184–276 V AC (L-N), 318–480 V AC (L-L) |
| Certifications | EN 61326-1, EN 61010-1 |
| Max pv voltage | 100 A (via CT) |
| Mounting options | Electrical panel |
| Installation type | DIN rail |
| Protection rating | IP20 |
| Parallel capability | Up to 3 CT inputs |
| Operating temperature | -25°C to +70°C |