DC 1500V Insulation Relay with LCD Display
This DC 1500V insulation relay is designed for high-voltage applications. It features an LCD display for easy monitoring of insulation resistance, ranging from 0-200Kohm.
Technical Specifications
Product Overview
High-Sensitivity Insulation Monitoring
The ZJJ-4SC DC insulation relay is a fully static circuit device engineered for real-time monitoring of DC busbar grounding resistance. Featuring an integrated LCD display, it provides direct, quantitative assessment of insulation levels, eliminating the need for manual calculations or external tables. Designed for durability and ease of use, it utilizes DIN rail mounting and pluggable terminals to ensure efficient maintenance in high-voltage industrial environments.
Electrical Specifications
Operating Voltage Range
1,500 V
Maximum Rated Voltage
220 V
Typical Operating Voltage
- Measurement Range
- 1999 KΩ
- Alarm Threshold Range
- 990 KΩ
Performance Data
Technical Performance Metrics
| Parameter | Value/Range |
|---|---|
| Measurement Accuracy | 5% @ 1000V |
| Grounding Short-circuit Current | 0.6 mA |
| Moves Back Coefficient | 95% - 98% |
| Power Supply | 85-265 Vac/dc |
Features
Core Product Features
- Direct LCD display of positive and negative grounding resistance
- Online alarm resistance threshold setting
- Bridge balance measurement method
- Pluggable terminals for easy maintenance
- Reinforced modular housing for DIN rail mounting
Applications
- Suitable Industry Applications
- Solar Power GenerationUPS SystemsElectric Vehicle Charging StationsSubstationsDC Speed Regulating MotorsBattery Systems
