The Eberry GN19 11KV 12KV Disconnect Switch Isolating Switch 12KV VCB is a high-voltage switching device designed for industrial substations, utility networks, and indoor/outdoor power distribution applications. This switch offers reliable circuit isolation, vacuum circuit breaker (VCB) protection, and durable construction, ensuring safety, operational efficiency, and low maintenance.

This guide provides detailed instructions on operation, maintenance, storage, and precautions, enabling engineers, operators, and procurement professionals to maximize device performance and longevity.

Table of Contents

1. Product Overview

2. Key Features and Advantages

3. Technical Specifications

4. Operation Guidelines

5. Safety Precautions and Notices

6. Maintenance Requirements

7. Storage and Environmental Conditions

8. Troubleshooting and Common Issues

9. Applications and Use Cases

10. After-Sales Support

11. Conclusion

1. Product Overview

The GN19 Disconnect Switch is suitable for medium-voltage networks with rated voltages of 11KV and 12KV. It features VCB technology for vacuum arc interruption, ensuring safe switching under load conditions.

• Disconnect Function: Isolates circuits for maintenance or fault handling.

• VCB Integration: Provides high arc-quenching capability.

• Indoor/Outdoor Design: Suitable for diverse installation environments.

• Durable Construction: Ensures long operational life.

2. Key Features and Advantages

3. Technical Specifications

4. Operation Guidelines

4.1 Pre-Operation Checklist

Before operating the GN19 VCB disconnect switch, ensure:

• All personnel are trained and authorized.

• Protective equipment (PPE) is worn.

• The installation site is free of debris and moisture.

• Circuit diagrams and labels are verified.

• Grounding is properly connected.

4.2 Operation Procedure

1. Verify OFF Position: Ensure the switch is open before any maintenance.

2. Control Panel Operation: Use manual or motor-assisted controls to operate the VCB.

3. Load Switching: Confirm rated load before closing.

4. Circuit Isolation: Engage disconnect function to isolate circuits safely.

5. Monitoring: Check indicators and alarms during operation.

4.3 Operational Checklist

5. Safety Precautions and Notices

Safety is paramount when handling high-voltage disconnect switches. Follow these guidelines:

• Do not operate with wet hands or in wet conditions.

• Always wear PPE: insulated gloves, helmets, boots.

• Confirm grounding before touching any components.

• Do not bypass interlocks or safety mechanisms.

• Keep a safe distance from energized circuits.

• Conduct periodic safety audits and inspection.

6. Maintenance Requirements

Proper maintenance ensures long operational life and prevents failures.

6.1 Routine Maintenance

6.2 Troubleshooting Common Issues

7. Storage and Environmental Conditions

Proper storage preserves the functional integrity of the GN19 VCB disconnect switch.

7.1 Storage Guidelines

• Store in a dry, ventilated indoor area.

• Avoid direct sunlight and moisture exposure.

• Maintain temperature range: -10°C to +40°C.

• Keep dust-free and away from corrosive gases.

• Inspect stored units periodically for signs of deterioration.

7.2 Environmental Considerations

• Ensure storage area has stable humidity ≤95%.

• Avoid mechanical shocks during transportation or handling.

• Store on level surfaces to prevent deformation.

8. Troubleshooting and Common Issues

8.1 Mechanical Problems

• Handcart misalignment: Adjust rails and guides.

• Stiff operation: Lubricate moving parts and check for obstructions.

8.2 Electrical Problems

• Failure to close/open: Inspect control wiring and auxiliary contacts.

• Insulation degradation: Conduct insulation resistance tests and replace components if necessary.

8.3 Operational Failures

• Trip under normal load: Verify load current, control circuit settings, and proper installation.

• Indicator failure: Check bulbs, sensors, and wiring.

9. Applications and Use Cases

• Industrial Substations: Reliable medium-voltage isolation.

• Utility Networks: Protects 11KV/12KV circuits efficiently.

• Commercial Buildings: Ensures safe and uninterrupted power supply.

• Renewable Energy Facilities: Integrates with solar and wind distribution systems.

• Indoor and Outdoor Deployments: Suitable for diverse installation conditions.

10. After-Sales Support

Reliable after-sales service ensures minimal downtime and long-term operational safety.

The Eberry GN19 Factory High Voltage 11KV/12KV Disconnect Switch Isolating Switch 12KV VCB provides safe, reliable, and IEC-compliant high-voltage switching. With handcart or fixed installation, vacuum interruption, low maintenance, and versatile deployment, it is ideal for industrial, utility, and indoor/outdoor substations. Following proper operation, safety, maintenance, and storage protocols ensures long-term reliability and optimal performance.