Deye Smart METER 1-3Phase, 50mA

Deye SUN-SMART-CT01 – Wireless Smart Energy Meter for 1/3-Phase Systems

The Deye SUN-SMART-CT01 is a LoRa and RS485-based wireless current transformer (CT) that, when installed in the distribution panel, measures and transmits energy consumption data in real time. It is fully compatible with Deye hybrid invertersand is a key component of the Deye Wireless Energy Management System—suitable for both single-phase and three-phase systems.

What does it measure and display?

The SUN-SMART-CT01’s built-in LCD display continuously shows voltage, current, active and reactive power, frequency, power factor, and energy consumption. Measurement accuracy is outstanding: ±0.1V for voltage, ±0.01A for current, and ±1W for power—this precision is the foundation for effective zero-export control and energy bill optimization.

LoRa communication – why does it matter?

Unlike Wi-Fi-based solutions, the LoRa protocol operates with a response time of just 0.2 seconds, compared to Wi-Fi’s 3–5-second delay. This means that the CT reacts immediately to changes in consumption, and the inverter can regulate the power supply in real time. It works even without an internet connection, so local communication is not interrupted even in the event of a network outage. The range reaches 200 meters in an unobstructed environment.

Installation and Connection

The SUN-SMART-CT01 is DIN-rail mountable, with dimensions of 53×96×64 mm. It can be operated in both single-phase (L1/N) and three-phase (L1/L2/L3/N) configurations, within a mains voltage range of 85–300 V. The secondary CT current is 50 mA, and the power consumption is up to 2 W. The device can be paired with the inverter using the Deye Smart Transmitter (SUN-SMART-TX01), and the entire system communicates via the existing infrastructure without the need for additional cabling.

Durability and Warranty

The device operates from -40°C to +60°C, has an IP20 protection rating, and is certified to IEC/EN 61010-1. The warranty is valid for 5 years, which underscores the product’s long-term reliability. Thanks to its low power consumption (≤2W) and stable LoRa communication, the CT results in minimal annual operating costs for the system.

SOLARKIT Reviews

The Deye SUN-SMART-CT01 is one of the most important accessories for smart solar homes: accurate measurement, fast LoRa communication, and simple DIN-rail installation—all backed by a 5-year warranty. We recommend it to those who want to complement their hybrid solar system with true smart energy management and make the most of the solar energy they generate.