Product Description
The KYN28A-12 type AC metal-encased with drawable switchgear is a three-phase AC 50Hz, rated voltage 3-12kV, single busbar and single busbar section system indoor complete switchgear. It is mainly used for power receiving and power distribution in power plants, substations, community power distribution, and industrial and mining enterprises' power distribution devices. It can also be used for starting control of high-voltage motors and is capable of achieving control, protection and detection of circuits. The switch cabinet can be equipped with imported brands such as VD4, EV12, HXV, AV3, etc., or domestic famous brands such as VS1, VEP, VBG, ZN73A.
Cautionary Notice
All the products are custom-made. Before placing the order, please communicate in detail with the customer service about your
specific requirements (such as specifications, parameters, functions, etc.). We will provide an exclusive solution based on your
needs and confirm the price. The production cycle of custom-made products depends on the complexity of the order. Thank you for
your understanding and cooperation!
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Rated Voltage (kV)
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3.6,7.2,12
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Rated short-circuit breaking current (kA)
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20,2,,31.5,40
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Rated Current (A)
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630,1250,1600,2000 2500,3150,4000
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Rated short-circuit closing current (kA)
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50,63,80,100
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Rated Frequency (Hz)
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50
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Operation sequence
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Split → 0.3 seconds → Merge → 180 seconds → Merge
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1-minute Power Frequency Withstand Voltage (kV)
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Alternately, relatively 25, 32, 42 isolated fracture sections 24, 32, 48
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Control circuit voltage (V)
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DC:110,220 alternating current:110,220,220
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Lightning Impact Withstand Voltage (kV)
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Alternately, respectively: 40, 60, 75 Isolated fracture sections: 46, 70, 85
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Enclosure protection class
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The enclosure is IP4X. The door of the circuit breaker compartment is IP2X when open.
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Rated Short-Time Withstand Current 4S (kA)
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20,25,31.5,40
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Overall dimensions (depth × width × height) (mm)
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800×1500(1600)×2300 1000×1500(1600)×2300
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Rated Peak Withstand Current (kA)
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50,63,80,100
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This switchgear complies with standards such as GB3906-2006 "3.6-40.5kV AC Metal Enclosed Switchgear and Control Equipment", GB/T11022 "Common Technical Requirements for High Voltage Switchgear and Control Equipment", IEC62271:200 "AC Metal Enclosed Switchgear and Control Equipment with Rated Voltage Above 1kV and Below 52kV", and DL/T404 "Ordering Technical Requirements for Indoor AC High Voltage Switchgear".
Product Tags:
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China Factory Direct Sales High-Voltage Complete Power Distribution Cabinet/Switchgear For Industrial And Mining Enterprises Images
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