XJ Electric WGB-642A Microcomputer Capacitor Protection Device

1. Main Features
1. The device supports both AC and DC input power, with strong field adaptability:
The auxiliary power supply is compatible with both AC and DC, with a maximum input voltage of 500V, suitable for various complex power supply environments;
The operating circuit power supply is compatible with both AC and DC systems;
The switch input circuit power supply is compatible with both AC and DC systems.
2. The device has a wide current input range, supporting both 5A and 1A, making it convenient for user selection and use.
3. The device has powerful communication functions, with two Ethernet ports and two RS485 communication interfaces as standard, facilitating various networking methods. It supports multiple communication protocols such as IEC61850, IEC-103, TP-103, and MODBUS-RTU, offering flexible communication and easy integration with various microcomputer monitoring or protection management systems.

4. The device has powerful time synchronization functions, supporting various methods such as network time synchronization, PPS, PPM, or B code.
5. The device uses dual 32-bit high-performance embedded microprocessors, with large-capacity RAM and Flash Memory. Utilizing an SoC solution, it offers strong data processing, logical operation, and information storage capabilities, with fast operation speed and high reliability.
6. The device uses a 16-bit high-precision A/D converter for data acquisition, with 64 sampling points per cycle, ensuring high protection measurement accuracy.
7. Rear plug-in design with separation of strong and weak currents; the reinforced unit chassis is designed to resist strong vibration and interference, allowing for decentralized installation on switchgear.
8. It can store four groups of up to 400 recent event reports and operation reports, as well as waveform recording data for the last five faults.
9. Features a graphical LCD with Chinese display and menu-based operation.

10. Real-time multi-tasking operating system with modular programming; excellent real-time performance and high reliability.
11. Eight sets of protection settings, with safe and convenient setting zone switching.
12. The device is standardly equipped with three 4-20mA outputs and four 4-20mA inputs, facilitating analog signal acquisition and control function expansion for industrial customers.
13. Abundant input and output resources: up to 30 inputs, 16 outputs, with no less than 6 spare outputs, enabling signal expansion or control output.
14. Complete circuit breaker operating circuit with remote control functionality.
15. Integration of protection and measurement & control, with a single device performing the main functions of the bay.
2 Technical Specifications
2.1 Rated Data
a. Rated AC data:
AC voltage: 100/√3V, 100V
AC current: 5A or 1A
Rated frequency: 50Hz
b. Thermal stability:
AC voltage circuit: continuous operation at 1.4Un
10s at 2Un
AC current circuit: continuous operation at 2In
1s at 50In