KYN28A-12
Product Features
- Product Description
- Performance characteristics
- Technical parameters
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- Commodity name: KYN28A-12
The KYN28A-12 high-voltage switchgear is a metal-clad, withdrawable switch device. It is mainly used in 3.6-12kV three-phase AC 50Hz power systems as power distribution equipment for power plants, substations, and industrial and mining enterprises. Its functions include receiving and distributing power, as well as controlling, protecting, and monitoring circuits.
Product Overview
The KYN28A-12 high-voltage switchgear is a metal-clad, withdrawable switchgear primarily used in 3.6-12kV three-phase AC 50Hz power systems. It serves as distribution equipment in power plants, substations, and industrial enterprises, accepting and distributing electrical energy, and controlling, protecting, and monitoring circuits.
Operating Conditions
Ambient air temperature: upper limit +40℃, lower limit -15℃;
Maximum installation altitude: 2000m (please specify when ordering);
Environmental humidity: daily average relative humidity ≤95%, monthly average relative humidity ≤90%;
Seismic intensity: not exceeding 8 degrees;
Surrounding air should be free from corrosive or flammable gases, water vapor, and other significant pollutants;
No serious pollution or frequent, violent vibrations.
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Item
Parameter
Rated Current
630A, 1250A, 1600A, 2000A, 2500A, 4000A
Rated Voltage
10kV
Branch Busbar
630A, 1250A, 1600A, 2000A
Rated Short-Circuit Breaking Current
20kA, 25kA, 31.5kA, 40kA
Rated Short-Time Withstand Current (4s)
20kA, 25kA, 31.5kA, 40kA
Rated Peak Withstand Current
50kA, 63kA, 100kA
Rated Power Frequency Withstand Voltage
Ground and phase-to-phase: 42kV (1min), Isolation break: 48kV (1min)
Rated Lightning Impulse Withstand Voltage
Ground and phase-to-phase: 75kV, Isolation break: 85kV
Ingress Protection Rating
IP2X
Permissible Ambient Temperature
-10～+40℃
Permissible Relative Humidity
≤95%
Permissible Maximum Altitude
≤1000 meters (Special design required for higher altitudes)
Product Dimensions (Length*Depth*Height)
1000mm*1600mm*2200mm
Product Weight
500~1500KG
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