Parameters:
Rated Voltage: 380-690 V AC (Three-phase)
Rated Current: 600 A
Motor Power:
Up to 1050 kW at 690 V
Up to 750 kW at 400 V
Input Control Voltage: 24 V DC (external supply)
Output Frequency: 0 to 500 Hz
Cooling: Forced air cooling (with fan)
Protection Class: IP00 (standard)
Ambient Temperature Range: -10°C to +50°C (with derating above 40°C)
Overload Capacity:
150% of rated current for 60 seconds
110% of rated current for 1 minute
Dimensions (H x W x D): Approx. 1,020 x 740 x 500 mm
Weight: Approx. 115 kg (depends on configuration)
Degree of Protection: IP20 (for indoor use, optional higher protection classes available with kits)
Mounting: Wall-mountable
Control Method: Soft start with adjustable ramp-up and ramp-down, with full motor protection features.
Key Features:
Smooth Motor Start/Stop: The PSTX1050-600-70 ensures a smooth motor start, reducing mechanical shock and inrush current, which extends motor and system life.
Advanced Protection Features:
Overload protection
Phase loss and phase imbalance protection
Motor and system diagnostics
Overvoltage and undervoltage protection
Ground fault protection (depending on configuration)
Short-circuit protection
The ABB PSTX1050-600-70 is part of ABB’s PSTX series of advanced soft starters, designed for controlling the start and stop of large industrial motors. The PSTX series is known for its high performance, reliability, and ability to handle demanding motor control applications, ensuring smooth motor starts, improved energy efficiency, and extended equipment lifespan. The PSTX1050-600-70 model, specifically, is a high-power soft starter suitable for large motors in various industrial environments.