High Voltage Load Breaker Switch FK(R)N12-24D - 24kV Solutions from China Suppliers and Factory

Introducing the FK(R)N12-24D series, a cutting-edge indoor high-voltage switching device designed for 24kV, 50Hz AC systems. This reliable pressurized-air load switch and combined apparatus deliver exceptional technical performance, making it an ideal choice for various industrial applications. Manufactured with precision in China, this device features a spring-operated mechanism available in both manual and motorized options. Utilizing the innovative gas compression arc extinction principle, the FK(R)N12-24D series allows for multiple breaking operations without the need for replacement, As a top supplier in the industry, we ensure that this high-voltage switching device can effectively make, carry, and break load currents under normal operational conditions while withstanding short-circuit currents. Additionally, an optional earthing switch, which matches the making and withstand capacity, can be integrated to enhance safety, complete with a mechanical interlock to prevent misoperation. Trust in our factory to deliver reliable and high-performance solutions for your electrical needs

Product Details

Type & Meaning

1	Load Switch
2	Air
3	Fuse Protection Function
4	Indoor
5	Design Number
6	Rated Voltage
7	Earthing Switch
8	Rated Current

Operating Conditions

Altitude: Not exceeding 1000 meters
Ambient Temperature: Maximum: +40℃, Minimum: -10℃
Relative Humidity: Daily average not exceeding 95%, Monthly average not exceeding 90%
Seismic Intensity: Below intensity 8

Product Features

1Professional Structural Design: Reasonable structure with electric operation form, ensuring easy and efficient operation.
2Insulating and Flame-Retardant Material: High-grade insulating and flame-retardant material effectively extends service life and improves safety.
3Stable and Efficient Output: Stable and reliable output greatly improves work efficiency and ensures continuous operation.
4Wide Application Range: Suitable for various working conditions and installation scenarios with strong compatibility.
5Reliable and Stable Performance: Stable core components with low failure rate, reducing maintenance costs and safety risks.
6Direct Factory Supply: Factory direct sales with strict quality control, eliminating middlemen and ensuring fast after-sales response.

Product Display

Technical Parameters

NO.	Name	Unit	Value
1	Rated Voltage	kV	24
2	Rated Frequency	Hz	50
3	Rated Current	A	630
4	Fuse Maximum Rated Current	A	80
5	Rated Active Load Breaking Current, Rated Closed-loop Breaking Current	A	630
6	Rated Short-time Withstand Current [2S]	kA	20
7	Rated Short-circuit Making Current, Rated Peak Withstand Current	kA	50
8	1-minute Power-frequency Withstand Voltage, Phase-to-phase and Phase-to-earth / Across the isolating distance	kV	65/79
9	Lightning Impulse Withstand Voltage (Peak), Phase-to-phase and Phase-to-earth / Across the isolating distance	kV	125/145
10	Rated Cable-charging Breaking Current	A	16
11	Mechanical Endurance	time	2000
12	Rated Transfer Current	A	1050
13	Fuse Rated Short-circuit Breaking Current	kA	31.5

Outline and Installation Dimension

Frequently Asked Questions

Q What is the rated voltage of the FK-R-N12-24 HV Load Break Switch?

The rated voltage of this high-voltage load break switch is 24 kV, making it suitable for medium-voltage distribution systems.

Q What is the rated current capacity of this load break switch?

The switch has a rated current of 630 A, with a rated transfer current of 1050 A, ensuring reliable performance under high-load conditions.

Q What are the operating environment requirements for this switch?

The switch is designed for indoor use at altitudes not exceeding 1000 meters, with ambient temperatures between -10℃ and +40℃, relative humidity up to 95% (daily average), and seismic intensity below level 8.

Q What is the mechanical endurance of this load break switch?

The switch is rated for a mechanical endurance of 2000 operations, ensuring long service life and low maintenance requirements in regular use.

Q Does the switch include fuse protection?

Yes, this switch incorporates a fuse protection function. The fuse maximum rated current is 80 A, and the fuse rated short-circuit breaking current is 31.5 kA.

Q What are the key advantages of choosing this load break switch?

Key advantages include a professional structural design with electric operation, high-grade insulating and flame-retardant materials, stable and efficient output, wide application compatibility, low failure rate, and factory-direct supply with strict quality control and fast after-sales support.