01376 333333

RTA - X-PLUS B4.1 - Boxed Stepping Motor Drive

Stepping motor drive boxed X-PLUS B4.1 ( ADVANCED )
( 110 - 230 VAC 2.4 - 4.0 Amp )


  • New series bipolar microstep stepping motor drive with power input directly from the main AC supply (110 VAC to 230 VAC), specifically developed for applications requiring high performance with reduced acoustic noise and low vibrations .
  • Target: advanced applications requiring high precision, low noise and smoothness of movement.
  • The perfect choice for combining high power and low acoustic noise.


  • Full digital microstepping drive.
  • Adaptive microstepping up to 3,200 step/rev.
  • Intelligent management of the current profile that achieves good results in terms of smoothness of movement, low noise and vibration control.
  • A highly sophisticated control system, preserving anyhow the traditional ease of use of R.T.A. drives.

Technical Specifications

  • Version: drive housed in a metallic box 152 x 129 x 46 mm, equipped with plug-in connectors.
  • Range of operating voltages: 110-230 VAC.
  • Range of current: 2.4-4 Amp. Easy setting of values by means of dip-switch.
  • Microstepping: 400, 800, 1.600, 3.200 steps/revolution. Setting by means of a dip-switch.Automatic current reduction at motor standstill.
  • Management of the current profile setting by means of a dip-switch.
  • Protections:
    -Protection against under-voltage and over-voltage.
    -Protection against a short-circuit at motor outputs.
    -Overtemperature protection with thermal sensor.
  • Electronic damping facility for further acoustic noise and mechanic vibrations reduction.
  • Optoinsulated inputs to ensure best EM noise immunity.
  • External fans not needed.
  • Coupling with stepping motors rated for high voltage and equivalent or bigger than NEMA 34 is mandatory.
  • Warranty: 24 months.

 X-Plus B4.1 Series


RTA Drive Overview 

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