FLN36-24D/T630-20-230 SF₆ load-break switch

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Rated Voltage	24kV
Breaking Times of LBS with Full Capacity	100Times
Mechanical Endurance	10000Times
Rated Short-circuit Making Current of Main Circuit and Earthing Circuit	63kA
Rated SF₆ Gas Pressure (Ambient Temp. 20℃)	0.045MPa
1 min Power Frequency Withstand Voltage	65/79kV
Main Circuit	≤75μΩ
Rated Frequency	50HZ
Breaking Current of Capacitor Bank	630A
Rated Current	630A
Rated Peak Withstand Current of Main Circuit and Earthing Circuit	63kA
Rated Transfer Current	1500A
Lightning Impulse Withstand Voltage	125/145kV
Rated Short-time Withstand Current of Main Circuit and Earthing Circuit	50/2kA/s
Brand Name	ChangYun
Model Number	FLRN36-1224
Place of Origin	China

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Product Specification


Rated Voltage	24kV	Breaking Times of LBS with Full Capacity	100Times
Mechanical Endurance	10000Times	Rated Short-circuit Making Current of Main Circuit and Earthing Circuit	63kA
Rated SF₆ Gas Pressure (Ambient Temp. 20℃)	0.045MPa	1 min Power Frequency Withstand Voltage	65/79kV
Main Circuit	≤75μΩ	Rated Frequency	50HZ
Breaking Current of Capacitor Bank	630A	Rated Current	630A
Rated Peak Withstand Current of Main Circuit and Earthing Circuit	63kA	Rated Transfer Current	1500A
Lightning Impulse Withstand Voltage	125/145kV	Rated Short-time Withstand Current of Main Circuit and Earthing Circuit	50/2kA/s
Brand Name	ChangYun	Model Number	FLRN36-1224
Place of Origin	China

Product Overview

The FLN36-24D/T630-20-230 SF₆ load-break switch is a compact, gas-insulated switching device designed for 12kV/50Hz three-phase power systems. Widely used in ring main units (RMUs), compact substations, and distribution networks, it performs core functions of load current switching, circuit isolation, and earthing, serving as a key component for power distribution control and protection.

Key Features & Advantages

SF6 Gas Insulation & Arc Extinguishing
- Utilizes SF6 gas as both insulating and arc-extinguishing medium, ensuring reliable arc quenching and stable performance under various load conditions.
- Fully sealed epoxy resin housing prevents gas leakage and internal condensation, enabling maintenance-free long-term operation.
Three-Station Design (Close/Open/Ground)
- Integrates closing, opening, and earthing functions in one unit, meeting the "five-prevention" safety requirements.
- Built-in mechanical interlocks prevent misoperations such as earthing with load or closing with earthing.
High Reliability & Durability
- Rated for 10,000+ mechanical operation cycles, with strong resistance to environmental factors like humidity and dust.
- Compact, modular design saves cabinet space and simplifies installation in ring main units.
Flexible Application Options
- Available in standard load switch (FLN36-12) and fuse-combination (FLRN36-12) versions, the latter providing overcurrent protection for distribution transformers.
- Supports both manual and motorized operation mechanisms for diverse control needs.

Use conditions

Ambient air temperature: -35℃~+40℃

Altitude: ≤1000m

Relative humidity: daily average of not more than 95%; the monthly average of not more than 90%

The ambient air does not contain corrosive gases, combustible gases or vapors.

There is no frequent vibration.

Applications

Ideal for use in:

Urban and rural distribution ring main units
Residential and commercial building power distribution
Industrial plant and mining power systems
Prefabricated compact substations
Secondary distribution network automation projects

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter,Seller 


Year Established:

2008 


Total Annual:

29460000-44190000


Employee Number:

120~130 


Ecer Certification：

Verified Supplier 

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Reach Us
Jiangsu Changyun Intelligent Technology Co., Ltd
No.18 Mingyang Road,Menghe Town,Changzhou City,Jiangsu Province,China
https://www.jscypower.com/

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