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KYH12 MV Switchboard
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Product Profile

Product application: AIS MV switchgear suitable for motor starting and distribution systems of industrial and commercial buildings, heavy industries, mines, railway and other fields.

Special model KYH12S-1250K has same technical data with KYH12-1250, the width of enclosure is 550mm.

Rated operating voltage (Ue): 12kV

Rated current (In): 1250/3150/4000A

Rated frequency: 50Hz

Rated short-duration power frequency withstand voltage: 42kV in compliance with IEC 62271-200

Rated lightning impulse withstand voltage: 75kV

Rated short-time withstand current: 31.5/40/40kA 4s

Rated peak withstand current: 80kA 

Rated short-circuit breaking current: 31.5/40/40kA

Rated short-circuit making current: 80kA

Internal arcing classification:

Accesibility (Front, Rear, Lateral): Type A

Test current: 31.5/40/40kA

Arc duration: 1/0.5/0.5 second

Partition Class: PM (metallic partition)

Loss of service continuity category: LSC2B (metal-clad)

Design specification: Designed and tested in compliance with IEC 62271-200 and GB 3906

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  • KEIYIP Engineering Co., Ltd.
  • Tel : (852)2563 4211
  • Fax : (852)2565 7010 
  • E-mail : info@keiyip.hk
  • Address : G/F, 37 Kam Ping Street, North Point, Hong Kong
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Contact us
Address: G/F, 37 Kam Ping Street, North Point, Hong Kong
Tel:(852)2563 4211      Fax:(852)2565 7010
E-mail : info@keiyip.hk
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