ALPHA MOTORThe Alpha i series offers the option of regenerative braking. The ac servo motors are available with a specified input voltage of 400 V as an alternative to the input voltage of 200 V. The motors’ special features include the small pulse encoder with extra-high resolution (1,000,000 pulses/revolution as standard, 16,000,000 optional). The maximum torque of the various models ranges 1-500 Nm and can extend to 3000 Nm in the 400 V version. Speeds go to a maximum of 6,000 rpm.