High Voltage Indicator for Medium Voltage Switchgear
This high voltage indicator is designed for medium voltage switchgear applications ranging from 3.6kV to 40.5kV. The device provides a clear indication of voltage presence, enhancing safety during maintenance and operation.
Technical Specifications
Overview
High Voltage Live Display Device
This non-contact high-voltage live detection device is designed for medium-voltage switchgear, offering essential safety monitoring for power systems. It utilizes an integrated three-phase continuous display to sense electric field signals without direct high-voltage contact, ensuring reliable voltage status reporting. The unit includes advanced features such as self-check, sound alarms, and forced locking circuits to prevent accidental entry into live spaces, meeting IEC 61243-5 and IEC 62271-213 standards.
Technical Specifications
Rated Voltage Options
- 24V
- 110V
- 220V
Interface Type
LRM
- Supported Voltage Levels
- 3-3.6kV6-7.2kV10-12kV20-24kV35-40.5kV
- Power Consumption
- 2 W
- Passive Contact Capacity
- 8A, 250VAC/48VDC
- Insulation Strength
- 2kV, 1min
- Operating Frequency
- 50Hz/60Hz
Operational Thresholds
Voltage Thresholds
| Condition | Threshold |
|---|---|
| Voltage Presence | U > 0.40 x Unmin |
| Voltage Absence | U < 0.15 x Unmin |
| Over-voltage Protection | U < 0.30 x Unmin |
Environmental & Mechanical
- Protection Class
- IP40IP65
- Operating Temperature
- -25°C to 55°C
- Storage Temperature
- -30°C to 75°C
- Mounting Dimensions (WxHxD)
- 92x45mm (Window), 130mm (Depth)
- Minimum Lifetime (MTBF)
- 31 years
Key Features
Core Functionalities
- Fail-safe voltage testing
- Integrated self-test function
- High voltage and disconnection alarms
- No battery or auxiliary voltage required
- Electromagnetic lock automatic locking
- Three-phase live voltage indication
