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Products

PST Series

The Advanced Range, 9 to 1050A

The PST(B) softstarter is the most advanced softstarter in the ABB product portfolio and is equipped with almost all imaginable features. This makes the PST(B) ideal for almost every application.

  • Wide rated operational voltage 208 - 690 V AC
  • Wide rated control supply voltage 100 - 250 V, 50/60 Hz
  • Rated operational current 30 to 1050 A (Up to 1810 A inside delta)
  • Both in line and inside delta connection
  • Coated circuit boards available, for reliable operation even in harsh environments
  • Full text display in 14 languages and 4 button keypad for easy set-up and operation
  • Optional external keypad, IP66
  • Built-in by-pass contactor on PSTB (from 370 A) for energy saving and easy installation
  • Prepared for external by-pass on PST (30 - 300 A)
  • Torque Control for excellent control of pumps
  • Current limit, adjustable between 1.5 - 7 x Ie
  • Fieldbus communication using Profibus, Modbus, Devicenet or CANopen
  • Dual motor overload protection with classes 10A, 10, 20 and 30
  • Adaptable motor under load protection to detect pumps running dry
  • Adaptable locked rotor protection to detect jammed pumps
  • PTC protection to protect the motor from overheating
  • Adjustable kick start to start jammed pumps
  • Programmable output signal relays
  • Programmable pre-warning functions
  • Event log with time stamp
  • Analog output showing current, voltage, power factor etc. 0 - 10 V, 0 - 20 mA, 4 - 20 mA

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