The PST softstarter range is the second most advanced softstarter in ABB's offering after the recently announced PSTX and combines application enhancing functionality with protections for both motor and load. It is equipped with almost all imaginable features making it the ideal choice for most applications. Pre-warnings will even let you act on problems before you need to stop the motor, to avoid unnecessary downtime.

Main features
• Rated operational current: 30 to 1050 A (Up to 1810 A inside delta)
• Operational voltage: 208–690 V AC
• Control supply voltage: 100–250 V, 50/60 Hz
• 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 improves control of pumps and prolongs equipment lifetime
• Full text display in 14 languages and 4 button keypad for easy setup and operation
• Supports most communication protocols with the accessory FieldBusPlug