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