# FoxESS - DDSU666 Smart Meter 

- **Brand:** FoxESS
- **SKU:** FOXESS-DDSU666-SINGLE-PHASE-DIN-RAIL-METER
- **GTIN:** 5905515606271
- **MPN:** ZTY0.464.1264
- **Price:** 79.00 EUR
- **Availability:** In stock
- **Categories:** Inverters, Accessories

The FoxESS DDSU666 is a single-phase DIN-rail smart meter with bidirectional measurement, LCD display, and high accuracy for energy monitoring in photovoltaic systems.

The **FoxESS DDSU666** is a compact and accurate single-phase smart meter designed for energy monitoring in photovoltaic systems. It enables precise measurement of energy consumption and export, helping optimize system performance and energy management.

Designed for DIN-rail installation, the meter is easy to integrate into electrical panels and suitable for both residential and commercial applications. Its compact size and simple installation make it a practical solution for modern energy systems.

The device features a clear LCD display, allowing users to quickly read key parameters and monitor system performance in real time. It supports bidirectional measurement, making it ideal for tracking both energy import and export in solar installations.

### **Core Electrical Characteristics**

1. Single-phase energy meter
2. Bidirectional energy measurement
3. High accuracy monitoring
4. Low power consumption
5. Reliable performance

### **Connectivity and Integration**

1. DIN-rail installation
2. Compatible with PV systems
3. Supports energy monitoring setups
4. Easy integration into panels
5. Works with smart energy systems

### **System Performance and Control**

1. Accurate energy tracking
2. Real-time measurement
3. Supports system optimization
4. Stable and reliable operation
5. Designed for daily monitoring

### **Design and Installation**

1. Compact DIN-rail design
2. Space-saving installation
3. Easy and quick setup
4. Clear LCD display
5. Suitable for control cabinets

### **Safety and Compliance**

1. Certified for energy measurement
2. Reliable long-term operation
3. Safe installation design
4. Complies with standards
5. Stable performance

### **Typical Applications**

1. Residential photovoltaic systems
2. Commercial solar installations
3. Energy monitoring systems
4. Load measurement
5. Smart energy management

## Specifications

| Spec | Value |
| --- | --- |
| Weight | 0.20 kg |
| Cooling | Passive |
| Display | LCD |
| Voltage | 176–276 V AC |
| Grid tie | Yes (measurement device) |
| Warranty | 60 months |
| Frequency | 50/60 Hz |
| Dimensions | 88 × 70 × 65 mm |
| Monitoring | Via inverter / monitoring system |
| Communication | RS485 (Modbus) |
| Compatibility | Photovoltaic systems, energy monitoring systems |
| Input voltage | 230 V AC |
| Certifications | CE, IEC |
| Max pv voltage | 100 A (direct connection) |
| Mounting options | DIN-rail mounting |
| Installation type | DIN-rail |
| Operating temperature | -25°C to +55°C |