For mounting to the side of EFD 14 and EFD 22 switch disconnectors of all versions (1p, 2p, 2p+N, 3p, 3p+N for cylinder inserts CH... ). Apparatus width - 9 mm, other dimensions are compatible with EFD 14 and EFD 22 disconnectors. PS EFD auxiliary contacts are used for remote signaling of CH14/P or CH 22/P fuse-link activation - with striker.