| SHOP › X20BM13 - X20 Bus safety 12.5mm, Power Bus connec. Image 1 of 1 X20BM13 - X20 Bus safety 12.5mm, Power Bus connec. $36.20 X20 bus module, for X20 SafeIO modules, internal I/O supply continuous, single-width Add To Cart Added! X20 bus module, for X20 SafeIO modules, internal I/O supply continuous, single-width You Might Also Like X20BM11 - X20 Bus Module with Power Bus connection $25.40 X20TB12 - X20 standard terminal block 12x $14.60 X20BB80 - X20 bus controller base $54.20 X20TB1F - X20 Terminal Block, 16x $18.00 X20BM01 - X20 Bus Module with Power Bus seperation $25.40