Softstarter PSR85-600-70 / 45kW a 400V 1SFA896114R7000

Soft starters – smooth start and motor protection

This compact PSR85-600-70 soft starter, with a power of 45kW at 400V, is an ideal solution for smooth starting and stopping of three-phase motors. The device minimizes electrical and mechanical loads, which translates into a longer motor life and reduced operating costs. The built-in bypass contactor reduces energy losses, and the ability to adjust parameters allows you to adapt the soft starter's operation to the specifics of the application.

Application and functionality

The PSR soft starter is an advanced device designed to work with motors with currents from 3 to 105A. Thanks to its compact size, installation is simple – both on a DIN rail and on a mounting plate. The device finds application in a wide range of industrial applications where smooth starting, limitation of inrush currents and protection of the motor against overloads are required. The ability to operate in the range of voltages 208…600V ensures versatility and compatibility with various installations.

Key features and benefits

• Smooth start and stop: Reduces mechanical and electrical loads, extending motor life and reducing repair costs.
• Built-in bypass contactor: Minimizes energy losses during motor operation in a steady state.
• Wide voltage range: The ability to operate in 208…600V networks ensures installation flexibility.
• Compact dimensions: Make installation easy even in tight spaces.
• Parameter adjustment: Allows for optimal adaptation of the soft starter's operation to a specific application.
• Operation at low temperatures: The device maintains full functionality even down to -25°C, which is particularly important in harsh environmental conditions.
• Versatility: Suitable for both new installations and modernization of existing systems.
• Compliance with standards: Ensures safe and reliable operation of the device.

Technical specifications – key parameters:

• Rated power of three-phase motor (400V): 45 kW
• Rated operating current (40°C): 85 A
• Control voltage range: 100…240 V AC
• Operating voltage range: 208…600 V
• Degree of protection: IP10
• Release class: Adjustable, which allows for precise tuning of the starting characteristics to the needs of the application.

The PSR85-600-70 soft starter is a reliable solution for professionals and end users looking for an effective way to protect motors and optimize their operation.