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| Categories | Switches，Switching Mechanisms & Accessories |
|---|---|
| Model Number: | FLN36-12D |
| Certification: | ISO9001 |
| Place of Origin: | CHINA |
| Brand Name: | ChangYun |
| Company Info. |
| Jiangsu Changyun Intelligent Technology Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The FLN36-12D 12kV SF₆ Load Break Switch is a high-performance medium voltage load break switch designed for safe and reliable switching in 12kV power distribution systems.
As a key component of SF₆ insulated Ring Main Units (RMU) and medium voltage switchgear, the FLN36-12D provides reliable load current switching, isolation, and earthing functions. It is widely used in utility distribution networks, industrial power systems, commercial buildings, renewable energy projects, and compact substations.
Featuring advanced SF₆ gas insulation and arc extinguishing technology, this indoor load break switch delivers excellent dielectric performance, high breaking capability, and long mechanical service life for modern medium voltage applications.
The FLN36-12D adopts sealed SF₆ gas insulation technology to ensure stable electrical performance and safe operation.
Benefits include:
This 12kV load break switch is specially developed for medium voltage distribution applications with:
It is suitable for integration into:
The FLN36-12D provides a safe three-position operation:
The mechanical interlocking design prevents incorrect operation and improves personnel safety during maintenance and operation.
With its compact structure and reliable insulation system, the FLN36-12D is an ideal RMU load break switch solution.
It helps manufacturers and system integrators achieve:
| Item | Specification |
|---|---|
| Product Type | SF₆ Load Break Switch |
| Rated Voltage | 12kV |
| Rated Frequency | 50Hz |
| Rated Current | 630A |
| Power Frequency Withstand Voltage | 42/48kV |
| Lightning Impulse Withstand Voltage | 75/85kV |
| Rated Short-Time Withstand Current | 20kA |
| Rated Peak Withstand Current | 50kA |
| Short-Circuit Closing Current | 50kA |
| Cable Charging Breaking Current | 10A |
| SF₆ Gas Pressure | 0.4 bar |
| Mechanical Life | 5000 operations |
The FLN36-12D medium voltage load break switch is widely applied in:
Used in 12kV distribution networks for safe switching and isolation.
Provides reliable switching functions for SF₆ insulated RMU systems.
Suitable for factories, industrial parks, and large electrical facilities.
Applied in solar farms, wind power plants, and energy storage systems.
Supports safe medium voltage power distribution for large buildings and infrastructure.
| Feature | FLN36-12D |
|---|---|
| Voltage Level | 12kV |
| Insulation Medium | SF₆ Gas |
| Switching Function | Load Switching + Earthing |
| Installation | Indoor |
| Application | RMU & MV Switchgear |
| Maintenance | Low Maintenance Design |
A 12kV SF₆ load break switch is a medium voltage switching device that uses SF₆ gas insulation and arc extinguishing technology to safely switch load currents in 12kV distribution systems.
A load break switch is mainly designed for switching normal load currents and isolation, while a circuit breaker provides protection by interrupting fault currents.
Yes. The FLN36-12D is commonly integrated into SF₆ insulated RMU and medium voltage switchgear systems.
Yes. Changyun supports OEM and customized solutions for RMU manufacturers, panel builders, and electrical equipment suppliers.
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