DXN8-12-T8S Voltage Presence Indicator for Gas Insulated Switchgear RMU

  • RMU Special Edition: Optimized for 12kV gas-insulated ring main units.
  • Extended Service Life: High-brightness LEDs rated for over 50,000 hours of operation.
  • Integrated Test Points: Supports phase matching and voltage verification from the front panel.
  • Passive Safety: Operates without external power for maximum reliability in power distribution.
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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

FeatureSpecification
Model NumberDXN8-12-T8S
Luminous TypeUltra-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)
Application12kV Gas Insulated Switchgear (RMU)

Other types parameters

No.Model numberHigh Voltage Indication Luminous PartsVoltage between phases when the phases match between test point (V)Voltage between phases when the phases do not match between test point(V)
TypeWorking voltage (V)Service life (H)
1DXN8-7.2-40.5/T8Ultra-high brightness luminous tube< DC2.5> 50000< AC30> AC60
2DXN8-12/T8S

Dimensional Drawing & Installation

DXN8-12-T8S Voltage Presence Indicator Dimensional Drawing and Installation Guide

Back wiring diagram

DXN8-12-T8S Voltage Presence Indicator Dimensional 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.

 

Technical Support & FAQs

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

We specialize in the medium-voltage range. Our vacuum circuit breakers and switchgear components are suitable for rated voltages from 7.2kV to 40.5kV. The normal current rating covers up to 4000A, and the short-circuit breaking capacity can be designed up to 40kA or higher to meet the demands of various applications, from simple distribution to heavy industrial use.

 Yes, customization is one of our core strengths. We understand that compatibility with existing equipment is critical. We offer OEM and ODM services and can customize components (like brackets, linkages, shutters) and modify breakers to be compatible with major switchgear brands such as Siemens, ABB, Schneider, GE, and others. Please provide your technical drawings or specifications for a precise solution.

Our quality assurance is embedded in every step of the process:

Material Sourcing: We use premium-grade raw materials and components from certified suppliers.

Manufacturing: Advanced CNC machinery and automated production lines ensure precision and consistency.

Testing: 100% routine tests (e.g., contact resistance, mechanical operation, HV withstand) are performed on every unit. We also conduct destructive and non-destructive tests on samples.

For standard products, our lead time is typically 1-4 weeks. For large or customized orders, the lead time will be confirmed based on the project's complexity and quantity.

Certainly. We provide comprehensive pre-sales and after-sales technical support. Our team of engineers can assist with product selection, technical drawings. We also offer detailed documentation, including manuals and drawings. In the rare event of an issue, we provide remote troubleshooting and have a efficient warranty claim process.

Our vacuum circuit breakers are engineered for superior performance and reliability, offering these key benefits:

High Breaking Capacity: Advanced vacuum interrupter technology ensures reliable interruption of high short-circuit currents.

Long Electrical and Mechanical Life: Designed for thousands of operations with minimal maintenance, significantly reducing life cycle costs.

Maintenance-Free Operation: The sealed vacuum interrupters eliminate the need for regular maintenance of the quenching medium, unlike oil or SF6 breakers.

Safety and Environmental Friendliness: They operate silently, are fire-safe, and contain no greenhouse gases (SF6), making them an eco-friendly choice.

Compact Design: Allows for space-saving switchgear designs, which is ideal for retrofitting or modernizing existing substations.

Our products are designed for global deployment. Please specify your environmental conditions for the most suitable product recommendation.

We stand behind our products with a standard 12-month warranty from the date of shipment, covering any defects in materials or workmanship under normal use and service conditions. Our warranty terms are clearly stated in our commercial contract.

 You can request a quote easily by clicking the Contact Us or  Request a Quote button. To provide you with the most accurate and competitive quotation, please have the following information ready:

Product name and model number (if known)

Technical specifications (such as Rated Voltage, Current, Short-circuit breaking current, etc.)

Quantity required

Any special requirements (customization, etc.)

Why Choose Us

technical support

Technical Support

From pre-sales consultation to after-sales service, we offer end-to-end technical support to maximize your project success. Our experts assist with product selection, system integration, troubleshooting, and maintenance, backed by continuous project tracking to keep your operations smooth and efficient.

customized solutions

Customized Solutions

We specialize in tailor-made solutions for switchgear and components, designed to fit your unique requirements. Our team collaborates closely with you to develop products optimized for performance, efficiency, and reliability—ensuring they excel in your specific application.

quality control

Quality Control

Quality is embedded at every stage. We rigorously test all materials prior to production and monitor manufacturing processes to ensure product stability. Before shipment, each unit undergoes comprehensive electrical, mechanical, and safety performance tests to comply with industry standards.

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Quick Response

Our experienced service team provides 24/7 support year-round. Thanks to streamlined processes and a dedicated staff, we deliver 90% of quotations within 24 hours.

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