Grounding Switch JN15 Model 24kV Indoor High Voltage Earthing Switch for Safe Maintenance Operations

When working on medium- and high-voltage equipment, one thing matters more than anything else—making sure the line is properly grounded before any maintenance begins. In many switchgear systems, that responsibility falls on a reliable Grounding Earthing Switch.

 

The JN15 series is one of those components that doesn’t always get attention, but is absolutely critical in daily operation. As a Model Indoor High Voltage Earthing Switch, it is designed to provide a clear and dependable grounding point for power systems ranging from 3kV up to 40.5kV.

 

Built for Practical Use in Switchgear Systems

This High Voltage AC Earthing Switch is typically installed inside switch cabinets or used alongside high-voltage equipment during inspection and maintenance. Its job is straightforward: safely discharge residual current and ensure the system is in a grounded state before personnel begin work.

 

The structure is relatively simple, which actually works in its favor. A compact design means easier installation and fewer complications during operation. At the same time, the mechanism is solid enough to handle repeated use without performance issues.

 

What Makes It Reliable in Daily Operation

 

From a user’s perspective, the value of this Grounding Earthing Switch comes down to stability and ease of handling.

 

Smooth and flexible operation, even after long-term use

Lightweight structure, making installation more convenient

Good thermal and dynamic stability under fault conditions

Consistent performance across different voltage levels

 

Because it’s used in environments where safety is non-negotiable, reliability isn’t just a feature—it’s the baseline expectation. This Model Indoor High Voltage Earthing Switch is built to meet that standard.

 

Technical Performance at a Glance

 

The JN15 series High Voltage AC Earthing Switch covers multiple voltage classes and operating requirements:

 

Rated voltage: 12kV / 24kV / 40.5kV

Rated frequency: 50 / 60Hz

Lightning impulse withstand voltage: up to 185kV

Power-frequency withstand voltage: up to 95kV

Short-time withstand current: up to 40kA

Peak withstand current: up to 100kA

These parameters ensure the switch can handle both normal operation and unexpected fault conditions without compromising safety.

 

Suitable Working Conditions

 

In real installations, equipment doesn’t always operate in ideal environments. This Grounding Earthing Switch is designed to handle typical indoor conditions found in substations and industrial facilities:

 

Ambient temperature range from -40°C to +40°C

High humidity tolerance (up to 95% daily average)

Installation altitude up to 1000 meters

 

As long as it’s used in a clean indoor environment without extreme contamination or vibration, the switch performs reliably over time.

 

Where It Is Commonly Used

 

You’ll usually find this High Voltage AC Earthing Switch in:

 

Indoor high-voltage switchgear

Substation distribution systems

Industrial power control rooms

Maintenance grounding for electrical equipment

 

It’s not a complex device, but it plays a key role in keeping maintenance work safe and controlled.

 

About Yueqing Aiso Electric Co., Ltd.

 

Yueqing Aiso Electric Co., Ltd. focuses on producing dependable electrical components that are designed for real working conditions. The goal isn’t to overcomplicate products, but to make sure they perform consistently where it matters.

 

With experience in high-voltage equipment manufacturing, the company supplies solutions like the Model Indoor High Voltage Earthing Switch and other essential components used in power systems worldwide.

 

Final Note

For anyone dealing with high-voltage systems, having a reliable Grounding Earthing Switch is not optional—it’s part of basic safety. The JN15 series offers a straightforward, durable solution that fits well into modern switchgear setups without adding unnecessary complexity.