Transformer Terminal Unit（TTU)
FKXA23-HX5200
The China Southern Power Grid (CSG) Transformer Terminal Unit (TTU) is an intelligent endpoint device designed to monitor real-time distribution transformer operating parameters such as voltage and current, accurately measure energy data and upload it to the grid system, thereby optimizing distribution network O&M and power consumption management.
Product Description
The FKGA23-HX5200 Series Transformer Terminal Units (TTU) are powered by a high-performance ARM9 hardware platform and an embedded Linux operating system software platform. Utilizing modular design principles, the series integrates GPRS/4G/Ethernet remote communication and high-precision energy metering technologies, making it a state-of-the-art, stable, reliable, and powerful next-generation intelligent monitoring terminal for public distribution transformers. The product delivers robust functionalities including real-time monitoring of transformer operating parameters, data logging and statistics, voltage monitoring, remote automatic meter reading (AMR), and anomaly alerting. This product fully complies with the relevant technical standards of the China Southern Power Grid (CSG).
Product Advantages
Transformer Terminal Unit（TTU)
FKXA23-HX5200
| Technical Specifications | Specifications/Requirements |
| Communication Protocol | Q/CSG 11109004-2013 China Southern Power Grid Co., Ltd. Metering Automation Terminal Uplink Communication Protocol: 5.00.00.04/Q104-0028-0903-5210 Guangdong Power Grid Company Distribution Transformer Monitoring Metering Terminal Communication Protocol (0903 Version) |
| Rated Voltage | 3×220/380V Specified Operating Range: 0.8Un～1.2Un Extended Operating Range: 0.7Un～1.3Un |
| Current Specifications | 3×1(10)A/3×5(80)A |
| Accuracy Class | Active Energy: Class 1 Reactive Energy: Class 2 |
| Quiescent Power | Voltage Circuit Power Consumption ≤5W, 10VA Current Circuit Power Consumption <0.25VA |
| Communication Interfaces | 5 Communication/Pulse (Configurable) Input Interfaces 1 Door Contact Input Interface |
| Clock Accuracy | Daily Error ≤0.5s (Reference Temperature 23°C) Continuous Operation for Over 10 Years Without Power |
| Backup Battery Capacity | 4.8V/750mAh Rechargeable Battery Ensures Terminal Operation for Over 10 Minutes After Power Failure |
| Operating Temperature | -25°C～75°C |
| Storage & Transport Temp. Range | -40°C～70°C |
| Storage & Operating Humidity | ≤85% |
| Reliability | MTBF≥7.6×10⁴h |
| Outline Dimensions | Wall-Mounted: 290mm×180mm×95mm |
| Weight | Approx. 2.5kg |