Allen Bradley 20-750-S PowerFlex 750 Safe Torque Off Module Option Module, designed to help safely remove power from the gate firing circuits of the drive’s output power devices (IGBT’s) to prevent the drive’s output power devices from switching in the pattern necessary to generate AC power to the motor
Allen Bradley 20-750-S1 Safe Speed Monitor Option Module for PowerFlex 750 Series AC Drives, Features Five Inputs, Three Sets of Safety Outputs, and One Bipolar Safety Output
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