HB3 Generator Switchgear for 63 - 110 kA
Siemens HB3 is world’s first and unique generator switchgear taking advantage from vacuum switching technology for application up to 12.500 A and short circuit ratings up to 100 kA.

Siemens HB3 is world’s first and unique generator switchgear taking advantage from vacuum switching technology for application up to 12.500 A and short circuit ratings up to 100 kA.