Switch disconnector with fuse 400 A, size 4, 4-pole for
switch disconnector with fuse 400 A, frame size 4, 4-pole for LV HRC fuse size 1 and 2 front operating mechanism left complete unit with direct operating mechanism flat connector without fuses 3KF switch disconnectors with fuses are optimized for complex applications in which LV HRC fuses are used. Switch disconnectors with fuses from Siemens provide reliable protection against electrical accidents by means of locking functions, touch protection and automatically interlocked fuse cover in the switched-on state. Efficient engineering is possible with extensive CAx data. The robust technology with high short-circuit strength ensures high availability and offers reliable protection even for wind turbines up to 690 V + 10%. End-to-end safety for users and systems.