China GN19-12M Indoor High Voltage Disconnect Switch - Reliable Suppliers & Factory for 12kV Solutions
📋 Technical Specification
| Model | Rated Voltage (KV) | Rated Current (A) | 4s Thermal Stability Current (KA) | Dynamic Current (KA) |
|---|---|---|---|---|
| GN19-10CM/400-12.5 | 12 | 400 | 12.5 | 31.5 |
| GN19-10CM/630-20 | 12 | 630 | 20 | 50 |
| GN19-10CM/1000-31.5 | 12 | 1000 | 31.5 | 80 |
| GN19-10CM/1250-40 | 12 | 1250 | 40 | 100 |
🔖 Product Model
📐 Dimension
❓ Frequently Asked Questions
Q
What is the rated voltage of the GN19-10CM series indoor high-voltage isolating switch?
All models in the GN19-10CM series operate at a rated voltage of 12 KV, making them suitable for standard indoor medium-voltage power distribution applications.
Q
What current ratings are available for the GN19-10CM series?
The GN19-10CM series is available in four rated current configurations: 400A, 630A, 1000A, and 1250A, allowing selection based on specific load and circuit requirements.
Q
What does the 4-second thermal stability current rating indicate?
The 4-second thermal stability current indicates the maximum fault current the switch can withstand for 4 seconds without sustaining damage. For this series, values range from 12.5 KA to 40 KA depending on the model.
Q
Which model is recommended for high-load industrial applications requiring the highest dynamic current tolerance?
The GN19-10CM/1250-40 is the top-tier model in this series, offering a rated current of 1250A, a 4s thermal stability current of 40 KA, and a dynamic current of 100 KA — ideal for demanding industrial environments.
Q
Is the GN19-10CM series suitable for indoor installation only?
Yes, the GN19-10CM series is specifically designed for indoor use in medium-voltage switchgear and power distribution panels, ensuring safe and reliable operation in enclosed environments.
Q
How do I determine the correct GN19-10CM model for my application?
Selection should be based on your system's rated voltage, maximum continuous load current, expected short-circuit current levels, and installation space. Refer to the dimension diagram above for mechanical sizing, and consult the technical specification table to match the appropriate model to your requirements.















