Indoor High-Voltage grounding switch Manufacturer 35kV 38.5kV 40.5kV
Key attributes
| Brand | ROCKWILL |
| Model NO. | Indoor High-Voltage grounding switch Manufacturer 35kV 38.5kV 40.5kV |
| Rated voltage | 40.5kV |
| Rated frequency | 50/60Hz |
| Rated short-time withstand current | 31.5kA |
| Series | JN15 |
Product descriptions from the supplier
Description
Introduction
The JN15-40.5 Indoor High-Voltage grounding switch is a professional safety device designed to meet the requirements of IEC129 standard. It is widely applied in 12kV and below 50Hz AC power systems, serving as a critical earthing protection component that can be perfectly matched with various types of high-voltage switchgear cabinets, or used as an independent safety device.
Its primary function is to provide a reliable earthing path for high-voltage equipment during maintenance, discharging residual voltage and preventing accidental re-energization, thus maximizing the safety of maintenance personnel and protecting the integrity of power system equipment.
Product Highlights
Focusing on practicality and reliability, the JN15-40.5 earthing switch integrates advanced design concepts and mature manufacturing technology, with the following outstanding advantages that meet the needs of global procurement and industrial application:
- Compliant with International Standards: Fully meets the requirements of IEC129, ensuring consistent performance with global high-voltage electrical equipment standards and supporting seamless integration into international power projects.
- Advanced & Reliable Performance: Adopts cutting-edge design, with stable electrical and mechanical performance, ensuring long-term reliable operation even in harsh indoor working environments.
- Simple Structure & Easy Installation: Streamlined structural design reduces installation difficulty, enables quick debugging and assembly, saving time and labor costs for on-site construction.
- Rapid Making & Breaking Capacity: Equipped with a high-efficiency operating mechanism, capable of fast making and breaking operations, improving work efficiency and ensuring timely earthing protection.
- Cost-Effective Operation: Low maintenance requirements and long service life, reducing the total cost of ownership for users, which is highly favored by overseas procurement teams.
Technical Specifications
Operating Environmental Conditions
- Altitude: Not exceeding 1000m (customized insulation level available for higher altitudes)
- Ambient Air Temperature: Upper limit +40℃, lower limit -10℃
- Storage & Transportation Temperature: Allowable at 30℃
- Seismic Intensity: Not exceeding 8 degrees
- Installation Site: Indoor areas free from flammable, explosive, heavy dust, chemical corrosion and severe vibration
Application Fields & Scenarios
With its strong compatibility and reliable performance, the JN15-40.5 Indoor High-Voltage grounding switch is widely used in various 12kV and below AC power systems around the world, especially suitable for the following scenarios:
- Industrial High-Voltage Switchgear: Matched with various models of high-voltage switchgear cabinets, used in factories, mines, industrial parks and other industrial occasions for earthing protection during equipment maintenance.
- Indoor Substations: As a core safety component in indoor substations, ensuring the safety of maintenance operations and the stable operation of the power grid.
- Commercial & Public Facilities: Applied in high-voltage power distribution systems of shopping malls, office buildings, hospitals and other public places, providing reliable earthing protection.
- Power Grid Retrofits: A cost-effective upgrade product for legacy power distribution systems, helping to improve the safety level of the power grid without large-scale equipment replacement.
- Independent Earthing Protection: Used as a standalone device in small and medium-sized power distribution stations or temporary power supply systems, realizing flexible earthing protection.
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