KYN28A-24 Metal-enclosed High Voltage Drawer-type Switchgear is a new product developed by our company to meet the needs of the power grid. It is designed based on the KYN28A-12 switchgear and incorporates advanced domestic and international manufacturing technologies. It is suitable for the 24kV distribution system for incoming lines, feeder circuits, control, and distribution. The product is primarily used in 24kV power distribution systems.

Dimensions: 1000mm × 1810mm × 2450mm

Structural Features:

Metal-enclosed, fully-sealed design with withdrawable vacuum circuit breakers.
Reliable five-proof interlocking system to effectively prevent misoperation.
Advanced relay protection devices for power system automation.
Double-sided maintenance design for easy installation and maintenance.


Standards:

GB3906 3.6kV～40.5kV AC Metal-enclosed Switchgear and Controlgear
DL/T404 3.6kV～40.5kV AC Metal-enclosed Switchgear and Controlgear
GB/T11022 General Technical Requirements for High-voltage Switchgear and Controlgear
IEC60298 AC Metal-enclosed Switchgear and Controlgear for Rated Voltage Above 1kV up to and Including 52kV


Technical Parameters:

Rated Voltage: 24kV
Power Frequency Withstand Voltage: 42kV/1min
Impulse Withstand Voltage: 75kV
Rated Frequency: 50Hz
Rated Current: 630-4000A
Rated Thermal Stability Current: 16-50kA/4S
Rated Dynamic Stability Current: 40-125kA
Rated Short-circuit Breaking Current: 16-50kA
Rated Short-circuit Making Current: 40-125kA
Rated Voltage for Tripping and Auxiliary Circuits:
DC: 24, 30, 48, 60, 110, 220V
AC: 110, 220V
Protection Level: IP4X