ST-600E Intelligent Switchgear Control Device (with Meter)

Overview: This series of intelligent switchgear control devices is a multi-functional, intelligent switch simulation comprehensive dynamic indicator device developed in response to the development of medium-voltage switchgear technology. It is mainly applied to various indoor switchgears with voltage levels of 0.1~40.5 kV. The product centrally indicates primary circuit simulation state, handcart position, isolation switch position, grounding switch position, switch state, and operating mechanism energy storage state. It features high-voltage live indication, live interlock output, automatic heating and dehumidification, real-time digital display of temperature and humidity values with heater fault monitoring, over-temperature alarm with forced heating shutdown, intelligent voice error prevention prompts, infrared human body sensing, online temperature measurement of electrical contacts inside the cabinet, RS485 communication interface, 4~20mA transducer output, and many other functions. It simplifies the switchgear panel design, beautifies the layout, and improves the switch status indication function and safety performance of a new type of electrical device. This series of products has been widely used in many industries such as electric power, chemical, railway, mining, metallurgy, and cement. Technical Features: 1. The main components are all industrial-grade components. 2. The system uses MICROCHIP high-end PIC microcontroller. 3. The temperature at high-voltage electrical contacts is transmitted wirelessly via 2.4G, featuring complete isolation, safety and reliability, and strong anti-interference capability. 4. Switch input and communication interfaces use optocoupler + power isolation, output uses 12V relay isolation. 5. The software adopts redundancy, fault tolerance, digital filtering and other technologies, thereby ensuring high product reliability and long-term stable operation in strong interference and harsh environments. Structural Features: The housing of this series of intelligent switchgear control devices is specially made of special materials with strong anti-interference capability, anti-static and flame-retardant functions, and standard I2C bus structure is used between each chip in the device. With the use of high-performance industrial microprocessors combined with modern sensor and measurement technologies, the testing accuracy of various online measurement parameters, data transmission speed and overall anti-interference capability of the system have been significantly improved compared with ordinary switch status display devices. The device is simple in structure, greatly facilitating user installation, wiring and commissioning. Technical Parameters: Operating Environment Ambient Temperature | -10℃~+55℃ (normal operation) Ambient Humidity | ≤95% Atmospheric Pressure | 80~110KPa Altitude | ≤2500m Power Supply | AC/DC220, DC110V; 40~70Hz Power Consumption | ≤10W Isolation Withstand Voltage | 3KV Power Drop | 200ms Insulation Performance Dielectric Strength | Greater than AC2000V between housing and terminals Insulation | Greater than 100MΩ between housing and terminals Vibration Resistance | 10~55~10Hz 2G 1min Anti-interference | Conforms to GB/T17626.8-1998 standard Environmental Temperature/Humidity Measurement Temperature Measurement Range | 0℃~70℃ Humidity Measurement Range | 0~99.9%RH Control Accuracy | Temperature ±1℃, Humidity ±3%RH Contact Capacity | AC220V/5A (per channel) Electrical Parameters Measurement Function Phase Current Accuracy | ±0.2 Phase Voltage Accuracy | ±0.5 Active Energy Accuracy | ±0.5 Reactive Energy Accuracy | ±1.0 Active Power Accuracy | ±0.5 Reactive Power Accuracy | ±1.0 Energy Pulse Output | Pulse output interface Metering Voltage | 3-phase 3-wire 3×100V, 3×380V; 3-phase 4-wire 3×57.7V, 3×220V Basic Current (IB) | 5A