PSTX softstarter


The PSTX Softstart is ABB’s latest range of soft starters. This line innovates in terms of engine protection and control, offering several new features, including increased reliability.
Its installation is simple and fast thanks to numerous customization options.

Main benefits

Secure motor reliability

Full engine protection

The PSTX manages to deal with load and network irregularities while offering complete motor protection in one device. Many functions available to preserve the safety of your motor: PT-100 probe, protection against ground faults and protection against over / undervoltage.

Improve installation efficiency

Removable and user-friendly man-machine interface

The PSTX provides, among other things, efficient installation with built-in features, avoiding additional peripherals and capitalizing on space and cost. A clear and easy-to-use interface saves time and resources during setup and operation.

Increase application productivity

Full control of the pumps

The “pump cleaning” function can reverse the flow of the pump and clean the pipes, thus ensuring that your pumping system runs smoothly over time. The starter also has several application enhancement features, especially torque control.

Main features

  • Three-phase controlled
  • Operational voltage: 208-690 V AC
  • Wide rated control supply voltage: 100-250 V, 50/60 Hz
  • Rated operational current: 30…1250 A (inside delta: 2160 A)
  • Coated circuit boards
  • Torque control for excellent control of pumps

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