MV Metal Enclosed Withdrawable Switchgear 8BK81, desgined by Siemens and manufactured by ZHEBAO Electrical.
● Model: Siemens 8BK81-12
● Name: AC medium voltage metal enclosed withdrawable switchgear
● Rated voltage (Ue): 12kV;
● Power frequency withstand voltage (1min): 42/48kV for VCB, 32/42kV for F-C;
● Rated impulse withstand voltage (Uimp): 75/85kV for VCB, 60/75 for F-C;
● Rated busbar current (Ir): 4000A;
● Short time withstand current (Icw): 63kA/3s for VCB, 4kA/4s for F-C;
● Short circuit drop-out c (F-C): 50kA;
● Short circuit making current (F-C): 100kA;
● Peak withstand current: 160kA/ 10kA;
● Protect Degree: IP4X, door open IP2x;
● Standard: IEC62271-200;
● Dimension: (VCB) 2200H *800 / 1000W *1800D (mm) ,(F-C) 2200H*500 / 650W*1800D