Softstart PSTX142-600-70 1SFA898110R7000

Advanced motor starter – Softstarter PSTX142-600-70

Softstarter PSTX142-600-70 is an advanced device designed for smooth starting and stopping of three-phase motors. It provides optimization of the starting process, reduction of mechanical and electrical loads, and increased lifespan of connected motors. The device is particularly recommended for applications requiring precise control of starting torque and full motor protection.

Functionality and application

PSTX142-600-70 offers a wide range of functions, including torque control, built-in overload protection, and Modbus RTU communication. This makes it ideal for applications such as pumps, fans, compressors, conveyors, and other equipment requiring controlled starting. The built-in bypass minimizes energy losses and ensures reliable operation. The ability to operate in "line" or "internal delta" configuration increases installation flexibility.

Key advantages

• Versatility: Designed for motors with a voltage of 208…600 V AC and a rated current of up to 142 A. Supports motor power up to 75 kW at 400V and up to 132 kW with internal delta connection.
• Full protection: Built-in overload protection protects the motor from damage caused by overload. Additionally, the device offers protection against short circuits, phase loss and other irregularities.
• Torque control: Torque control allows precise adjustment of starting parameters to the specifics of the application, minimizing hydraulic shocks in pumps or mechanical stresses in gearboxes.
• Communication: The built-in Modbus RTU interface enables integration with control and monitoring systems, providing remote access to data and device parameters.
• Durability: Printed circuit boards coated with a special coating provide resistance to corrosion and the action of aggressive chemical environments.
• Easy operation: Removable control panel with a graphic display facilitates configuration and diagnostics of the device.
• Wide range of applications: Possibility of use in standard applications (star connection) as well as in delta configuration (delta connection).

Technical parameters – what you should know

The device is characterized by high reliability and durability, confirmed by compliance certificates with IEC 60529 and IEC 60947-1 standards. The IP00 protection class provides protection against touch, and the release class is adjustable, allowing you to adapt the device's characteristics to the needs of a specific application. Control voltage can range from 100 to 250 V AC (50/60 Hz). A built-in relay indicates the device's operating status (ready to start / operation / protection / failure). Additionally, analog outputs (0…10 V, 0…20 mA, 4…20 mA) are available for feedback signals.