ZJS-102 DC System Insulation Monitoring for detecting DC leakage current with RS485 comm.
Inquire NowDescription
The ZJS-102 DC System Insulation Monitor is an advanced device designed to detect DC leakage currents, ensuring the safety and reliability of high voltage industrial and utility substations. This essential component provides real-time online monitoring of the insulation status of DC bus and branch circuits. By integrating both balance bridge and unbalance bridge detection modes, it effectively minimizes the interference caused by distributed capacitance within the system. The ZJS-102 not only displays the leakage current of each circuit in real time but also meets the increasing demands for accuracy and safety in modern electrical monitoring systems.
This monitor is crucial for managing protective devices and high voltage components, allowing for safe isolation of electrical faults. Its capabilities are vital in various applications, including DC speed regulating motors, solar power generation, UPS systems, and DC charging stations for electric vehicles.
Specifications
| Feature | Specification |
|---|---|
| Monitoring range of insulation resistance to ground | Earth alarm: 0~50K, Pre-warning: 50~300K |
| Working voltage range | Positive pole to ground: 0~300V, Negative pole to ground: 0~300V, System voltage: 0~300V, AC injection voltage: 0~280V |
| Alarm history record | Record list quantities: 2000 lists, Each record alarm list volume: ≤32 branches |
| Real-time leakage current measurement | Screen display resolution: 0.01mA, Current sensor range: 10mA, 20mA, 50mA, 100mA optional |
| Instant event record | Capture sampling ratio: 1KHz, 500Hz, 250Hz, 125Hz configurable, Record quantities: 2000 |
| Passive digital output | 7 |
| Fault alarm indicator | 6 |
| Distributed capacitance range of the system | 0~200uF |
| Voltage monitoring error | ≤0.5% |
| Communication interface | RS485, Ethernet |
| Optional AUX | 220VAC |
Additional Information
This device supports hot-swapping of current sensors and automatic identification of slave devices, ensuring seamless integration into existing systems. With a 5.0-inch touch screen display, users can easily configure parameters and monitor systems efficiently. The ZJS-102 is ideal for environments with high leakage capacitances, providing comprehensive monitoring and diagnostics for enhanced safety.
