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
ABB PSTB1050-690-70 softstarter Product ID: 1SFA895020R7000, PSTB softstarters