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KYH12-1250 MV Switchboard
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Product Profile

Product application: suitable for industrial and commercial buildings, distribution systems and other fields


Rated operating voltage (Ue): 12kV

Rated current (In): 1250A

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: 31.5kA 4s

Rated peak withstand current: 80kA 

Rated short-circuit breaking current: 31.5kA

Rated short-circuit making current: 80kA


Internal arcing classification:

Accesibility (Front, Rear, Lateral): Type A

Test current: 31.5kA

Arc duration: 1 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

KYH12-1250K Report.jpg

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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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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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