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DXN8-12-T8S Voltage Presence Indicator for Reliable RMU Monitoring
The DXN8-12-T8S High Voltage Presence Indicator is engineered specifically for Ring Main Units (RMU) and gas-insulated switchgear. As a critical safety component, it provides real-time visual status of the primary circuit’s energized state. Designed for the compact and rigorous environments of modern power distribution, the DXN8-12-T8S ensures that operators can verify line conditions with maximum clarity and zero latency.
DXN8-12-T8S Technical Parameters
| Feature | Specification |
| Model Number | DXN8-12-T8S |
| Luminous Type | Ultra-high Brightness Luminous Tube |
| Working Voltage | < DC 2.5V |
| Service Life | > 50,000 Hours |
| Phase Match Voltage | < AC 30V (between test points) |
| Phase Mismatch Voltage | > AC 60V (between test points) |
| Приложение | 12kV Gas Insulated Switchgear (RMU) |
Other types parameters
| Нет. | Model number | High Voltage Indication Luminous Parts | Voltage between phases when the phases match between test point (V) | Voltage between phases when the phases do not match between test point(V) | ||
| Type | Working voltage (V) | Service life (H) | ||||
| 1 | DXN8-7.2-40.5/T8 | Ultra-high brightness luminous tube | < DC2.5 | > 50000 | < AC30 | > AC60 |
| 2 | DXN8-12/T8S | |||||
Dimensional Drawing & Installation
Back wiring diagram
Long-Term Industrial Durability
Built with high-efficiency luminous components, the DXN8-12-T8S is designed for an extended service life exceeding 50,000 hours. The robust front panel design allows for flush mounting on RMU low-voltage compartments, providing stable performance even in environments with significant electromagnetic interference.
Quick Tech FAQ
Q1: Is the DXN8-12-T8S compatible with external phase checking tools?
A: Yes. The front panel includes standard test points. When used with a compatible phase comparator, it allows for safe phase verification between different circuits without opening the cabinet.
Q2: How does the “Ultra-high brightness” feature benefit RMU operation?
A: Gas-insulated switchgear is often located in poorly lit substations or outdoor cabinets. The ultra-high brightness tube ensures that the L1, L2, and L3 status is clearly visible from a distance, reducing the risk of accidental contact during maintenance.
Q3: Does this model require an external power supply?
A: No. The DXN8-12-T8S is a passive indicator that draws its energy directly from the high-voltage field through capacitive sensors, ensuring it remains functional even during secondary power outages.
