ABB Soft Starters PST(B) Series

• Built-in motor protections keep your motor safe
• Full-text LCD display in your own language makes installation and setup simple and quick
• Supports most communication protocols with the accessory FieldBusPlug
• Torque control improves control of pumps and prolongs equipment lifetime
• Bigger sizes feature built-in bypass which reduces energy consumption during application full speed

Distinctive features:

• 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 setup 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, Mod-bus, 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

Model Range

• PST30-600-70
• PST37-600-70
• PST44-600-70
• PST50-600-70
• PST60-600-70
• PST72-600-70
• PST85-600-70
• PST105-600-70
• PST142-600-70
• PST175-600-70
• PST210-600-70
• PST250-600-70
• PST300-600-70
• PSTB370-600-70
• PSTB470-600-70
• PSTB570-600-70
• PSTB720-600-70
• PSTB840-600-70
• PSTB1050-600-70