LED Display Live Line Switchgear Indicator
This LED display indicator is designed for high-voltage switchgear to show live line status. It features LED indicators for phases A, B, and C, along with a stop/display button.




Technical Specifications
Product Overview
High-Voltage Live Display System
This high-voltage live display device is a sophisticated, non-contact detection system designed for medium-voltage switchgear. It provides continuous three-phase monitoring to ensure personnel safety by preventing accidental entry into live spaces. Meeting IEC 61243-5 and IEC 62271-213 standards, it features reliable locking functions, self-monitoring capabilities, and requires no auxiliary power, making it an essential component for power system safety.
Technical Specifications
- Rated Voltage
- 24V / 110V / 220V
- Voltage Level
- 1 - 52 kV
- Working Frequency
- 50 Hz
- Power Consumption
- 2 W
- Insulation Strength
- 2kV, 1min
- Passive Contact Capacity
- 8A, 250VAC/48VDC
- Compliance Standards
- IEC 61243-5IEC 62271-213
Operational Metrics
Voltage Thresholds
| Function | Threshold |
|---|---|
| Voltage Presence | U > 0.40 x Unmin |
| Voltage Absence | U < 0.15 x Unmin |
| Over-voltage Protection | U < 0.30 x Unmin |
Key Performance Metrics
Environmental & Mechanical
Protection Class
- Operating Temperature
- -25°C to 55°C
- Mounting Dimensions
- 92x45mm (Panel Window)
Features
Key Features
- Fail-safe voltage testing
- Integrated self-test function
- High voltage and disconnection alarms
- Three-phase live voltage indication
- Electromagnetic lock automatic locking
- Maintenance-free (no battery required)



