EN
KYN28A-24 Armored Removable AC Metal-enclosed Switchgear
The KYN28A-24 metal-armored high-voltage withdrawable switchgear is a new product designed and developed by our company based on the KYN28A-12 switchgear, incorporating advanced domestic and international manufacturing technologies to meet the needs of the power grid. It is suitable for line input, feeder, control, and distribution in 24kV distribution systems. The product is mainly applied in 24kV power distribution systems.
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Product Overview:
The KYN28A-24 metal-armored high-voltage withdrawable switchgear is a new product designed and developed by our company based on the KYN28A-12 switchgear, incorporating advanced domestic and international manufacturing technologies to meet the needs of the power grid. It is suitable for line input, feeder, control, and distribution in 24kV distribution systems. The product is mainly applied in 24kV power distribution systems.
Specifications and 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 of Breaker and Auxiliary Circuits |
DC: 24V, 30V, 48V, 60V, 110V, 220V AC: 110V, 220V |
Protection Level |
IP4X for the enclosure, IP2X (when the circuit breaker door is open) |
Product Features:
❖ Metal-armored, fully enclosed design with a withdrawable vacuum circuit breaker.
❖ Five interlocking safety features to effectively prevent misoperation.
❖ Equipped with advanced protection and control devices, enabling automation of the power system.
❖ Dual-side maintenance scheme for convenient installation and maintenance work.
Compliant Standards:
❖ GB3906
❖ DL/T404
❖ GB/T11022
❖ IEC60298
