Motoman / Yaskawa CACR-IR050505FB Servo Amplifier. This unit is used on a few MRC robot models. This unit is tested and guaranteed for 90 days. MRC servo amplifiers are rare, and are no longer available from Motoman. Most repairs will take up to 12 weeks as the amps are sent to Japan. Save money and time - we have MRC servo amps of all sizes in stock!!