ABB PSTX300-600-70 Soft Starter - 300A, 208-600V AC, Advanced Motor Control & Energy Efficiency

The ABB PSTX300-600-70 is a robust soft starter designed for optimal motor control and energy efficiency. With a maximum operational current of 300 A and an operating voltage range of 208 to 600 V AC, this device is ideal for medium to large-sized three-phase motors. It supports a control voltage between 100 and 250 V AC at 50/60 Hz. The PSTX300-600-70 features a three-phase control soft start and stop, utilizing either a voltage or torque ramp, and includes a built-in bypass for straightforward installation and energy savings. This soft starter is equipped with advanced functionalities such as current limit, kickstart, analog output, end-of-life (EOL) monitoring, motor heating, and pump cleaning. Additional features include jog, braking, stand-still brake, diagnostics, sequence start, and emergency/fire pump mode. The device offers a detachable full graphic display with IP66 and 4x outdoor rating for user-friendly interaction. Communication with the PSTX300-600-70 is versatile, offering 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 provide further communication options. The PSTX300-600-70 is the comprehensive solution for motor starting applications, suitable for pumps, fans, compressors, and conveyors, with nominal currents ranging from 30 to 1250 A in inline connection or 52 to 2160 A in inside delta connection.