What does the number on a Lenze BFK458 brake actually tell you?
A BFK458 on a Lenze brake may look complicated, but its identification number can tell you quite a lot. It helps identify the brake size and, alongside the rest of the specification, the braking torque and electrical requirements. Start with the size You may see BFK458 followed by a number such as 06, 08, 10, 12, 14, 16, 18 or 20. This is the brake size. The size gives an indication of the physical dimensions and performance range. It should not be treated as the braking torque on its own. For example, the available BFK458 sizes include: ● Size 06: 4 Nm ● Size 08: 8 Nm ● Size 10: 16 Nm ● Size 12: 32 Nm ● Size 14: 60 Nm ● Size 16: 80 Nm ● Size 18: 150 Nm ● Size 20: 260 Nm These are the characteristic torque values liste...