3BSE017427R1
Replaced by NBIO-21CU
If NAMC-51C for AC80 or AC800 or MVAC drive:
NBIO-21CU -> code
42000601If drives equipped with standard software and NAMC-11C:
NBIO-21CU + standard software -> code 42000640
If drives equipped with system software and NAMC-11C:
NBIO-21CU + system software -> code 42000638