KYN28-12 Air Insulated Switchgear

The KYN28-12 Air Insulated Switchgear (Metal-Clad Withdrawable AC Metal-Enclosed Medium Voltage Switchgear ) manufactured by Taili Electric is suitable for 3.6–12kV, 50/60Hz, three-phase AC power systems.

This series adopts a metal-clad, withdrawable, and air-insulated design, featuring flexible operation, high safety, and reliable performance with a “five interlock” protection system.
It is widely used in power plants, substations, industrial and mining enterprises, and large-scale infrastructure projects.

Taili Electric always puts product quality first, using high-quality components to ensure product stability and reliability.

We sincerely welcome your inquiries.

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Basic Info.

Item	Unit	Data
Rated voltage	kV	3.6, 7.2, 12
Rated frequency of circuit breaker	Hz	50/60hz
Rated current of circuit breaker	A	630, 1250, 1600, 2000, 2500, 3150
Rated current of switchgear	A	630, 1250, 1600, 2000, 2500, 3150
Rated short-time withstand current (4s)	kA	16, 20, 25, 31.5, 40, 50
Rated withstands current (peak)	kA	40, 50, 63, 80, 100, 125
Rated short-circuit breaking current	kA	16, 20, 25, 31.5, 40, 50
Rated short-circuit closing current (peak)	kA	40, 50, 63, 80, 100, 25
Rated insulation level (1 min power frequency withstands voltage)	kV	24, 32, 42
Rated insulation level (Lightening impulse	kV	40, 60, 75
withstands voltage)	kV	40, 60, 75
Enclosure Protection level		IP4X

Main Features of KYN28 10kV AIS Switchgear

1. Enclosure is made of high-quality aluminum-zinc coated plate, with a refined and elegant appearance.

2. Equipped with a reliable “Five-Prevention” interlock device to prevent misoperation.

3. Uses a vacuum circuit breaker handcart, which can be matched with PT handcart, isolation handcart, etc.

4. The cabinet supports wall-mounted installation and front maintenance, saving floor space.

5. The cable compartment is spacious, allowing connection of multiple cables for easy wiring.

Structure Diagram of KYN28 10kV Switchgear