VLT® MCB141 external Safe Option extends the Safe Torque Off feature of VLT® frequency converters with additional safety functions. These are Safe Stop 1 (SS1), Safely Limited Speed (SLS), Safe Maximum Speed (SMS) and Safe Speed Monitor (SSM). Code No. 130B6447 Name VLT® Safety Option MCB 141 VLT® MCB141 external Safe Option EAN 5710107608324 Net Weight 0.400 KG Gross Weight 0.400 KG