Technical Specifications:
Parameter Specification
Product Code PST105-600-70
Series ABB PST Medium Voltage Soft Starters
Rated Voltage 3300 V / 6000 V (switch-selectable)
Rated Current 105 A (continuous)
Starting Current Adjustable, typically 200-400% of motor full load current
Motor Power Range Approx. 500 - 800 kW (depending on voltage and motor characteristics)
Control Voltage 110-120V AC or 220-240V AC (configurable)
Cooling Method Natural convection or forced air (depending on configuration)
Enclosure Typically IP00 or IP20 (cabinet-mounted)
Starting Time Adjustable from 1 to 60 seconds
Stopping Time Adjustable from 1 to 60 seconds (optional soft stop)
Pulse Frequency Typically 400-800 Hz
Ambient Temperature -10°C to +40°C (14°F to 104°F) for full rating
Altitude Up to 1000 m (3280 ft) without derating
Standards IEC, UL, CSA, CE compliant
The ABB PST105-600-70 is a medium-voltage soft starter from ABB's PST (Perfect Starting Technology) series, designed for controlled starting and stopping of medium-voltage three-phase induction motors. This unit combines advanced thyristor technology with comprehensive motor protection features to reduce mechanical stress, minimize electrical disturbances, and extend equipment life in demanding industrial applications.