DC System Insulation Monitor
This device is designed for DC power systems. It detects DC leakage current and provides early warning of insulation faults.
Technical Specifications
Product Overview
Advanced Insulation Monitoring
The ZJS-102 DC System Insulation Monitor provides robust, real-time online monitoring of insulation status for DC bus and branch circuits in critical high-voltage environments. By combining balance and unbalanced bridge detection modes, it effectively mitigates interference from distributed capacitance to ensure accurate fault diagnosis. Designed for high reliability, it supports comprehensive data logging and remote communication, making it an essential component for power substations, UPS systems, and industrial automation.
Key Features
- Applications
- SubstationsUPS SystemsSolar PowerEV ChargingDC Speed RegulatingBattery Banks
Performance Metrics
System Capabilities
240 circuits
Max Branch Circuits
2,000 events
History Records
0.5 %
Voltage Monitoring Error
Technical Specifications
Operating Voltage Ranges
| Parameter | Range |
|---|---|
| Positive pole to ground | 0-300V |
| Negative pole to ground | 0-300V |
| System voltage | 0-300V |
| AC injection voltage | 0-280V |
Insulation Resistance Thresholds
- Earth alarm: 0-50K Ohm
- Pre-warning: 50-300K Ohm
Communication Interfaces
RS485Ethernet (Optional)USB
