ABB PSTX720-600-70 Soft Starter - 720A, 600V, Advanced Motor Control Solution with Built-in Bypass and Fieldbus Communication

The ABB PSTX720-600-70 Soft Starter is engineered for optimal performance in motor starting applications, accommodating medium to large-sized three-phase motors. With a rated maximum operational current of 720 A and an operating voltage range of 208 to 600 V AC, this soft starter is versatile and robust. It features a control voltage range of 100 to 250 V AC at 50/60 Hz, ensuring compatibility with various systems. The PSTX720-600-70 offers a three-phase control soft start and stop through a voltage or torque ramp, enhancing motor longevity and efficiency. Its built-in bypass simplifies installation and promotes energy savings. Relay outputs provide RUN, TOR, and Event signals in a normally open state, while advanced functions like current limit, kickstart, analog output, EOL, motor heating, and pump cleaning are standard. For user interaction, the PSTX includes a detachable full graphic display with IP66 and 4x outdoor rating, ensuring durability and ease of use. Communication with the PSTX is flexible, with options including hardwire inputs for Start/Stop/Reset of fault, 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 additional communication methods. The PSTX is ideal for applications such as pumps, fans, compressors, and conveyors, supporting nominal currents from 30 to 1250 A in inline connection or 52 to 2160 A in inside delta connection. With features like jog, braking, stand-still brake, diagnostics, sequence start, and emergency/fire pump mode, the PSTX720-600-70 is a comprehensive solution for efficient and reliable motor control.