

The SUN-SMART-CT01 is a high-precision smart energy meter designed to provide real-time monitoring of voltage, current, power, and energy consumption. It helps users clearly understand where their electricity is coming from and how it is being used, enabling more efficient energy management in both residential and commercial solar systems.
With built-in LoRa wireless communication and optional RS485 support, the device offers flexible and easy installation without complex wiring. It works seamlessly with hybrid inverters to enable zero-export control, ensuring compliance with grid regulations while maximizing self-consumption of solar energy.
Engineered for reliability, the SUN-SMART-CT01 operates stably even without an internet connection and performs in a wide range of environmental conditions. Its compact DIN-rail design and low power consumption make it a practical and dependable solution for modern energy storage and smart grid applications.
| Parameter Item | Specification |
| Connection Type | L1/N (Single phase), L1/L2/L3/N (Three phase) |
| CT Secondary Current | 50mA |
| Operating Voltage | 85~300V a.c. (L-N) |
| Rated Frequency/Range | 50Hz (45Hz-55Hz) / 60Hz (55Hz-65Hz) |
| Self Consumption Power | ≤2W |
| AC Voltage Withstand | 4KV/1min |
| Operating Temperature | -40 to +60℃ |
| Operating Humidity | 0-75% |
| Ingress Protection (IP) Rating | IP20 |
| Permissible Altitude | ≤4000m |
| Mounting Type | DIN-Rail Mounting |
| Dimensions (W×H×D) | 53×96×64mm |
| Weight | 0.15kg |
| Warranty Period | 5 Years |
| Certification Standard | IEC/EN 61010-1 |