ABB PSTX250-600-70 Soft Starter - Advanced Motor Control for Medium to Large Three-Phase Motors, 250 A, 208-600 V AC, IP66 Display, Modbus RTU & Optional ANYBUS Protocols

The ABB PSTX250-600-70 Soft Starter is designed for optimal motor control and energy efficiency. With a rated maximum operational current of 250 A and an operating voltage range of 208 to 600 V AC, this soft starter is ideal for medium to large-sized three-phase motors. It supports a control voltage between 100 to 250 V AC at 50/60 Hz, ensuring versatile application across various systems. The PSTX250-600-70 features a three-phase control soft start and stop mechanism, utilizing either a voltage or torque ramp. Its built-in bypass simplifies installation and enhances energy savings. The device offers a range of functions, including current limit, kickstart, analog output, end-of-life (EOL) monitoring, motor heating, and pump cleaning. Additional features such as jog, braking, stand-still brake, diagnostics, sequence start, and emergency/fire pump mode are standard. For user interaction, the PSTX is equipped with a detachable full graphic display rated IP66 and 4x for outdoor use. Communication with the PSTX is flexible, with options including hardwire inputs for Start/Stop/Reset of faults, three programmable digital inputs, and built-in Fieldbus communication via Modbus RTU. Optional ANYBUS modules support major protocols like Profinet, Profibus, Modbus TCP, and Ethernet IP. An external adaptor and Fieldbus plug offer further communication possibilities. The PSTX250-600-70 is a comprehensive solution for motor starting applications, suitable for pumps, fans, compressors, and conveyors. It supports nominal currents from 30 to 1250 A in inline connection or 52 to 2160 A in inside delta connection, making it a versatile choice for various industrial applications.