Softstarter PSR9-600-70 / 4kW at 400V 1SFA896105R7000

Compact soft starters – smooth start and motor protection

This soft starter, model PSR9-600-70, is a compact device designed for the smooth start of three-phase motors. Designed to work with motors up to 4 kW at 400V, it minimizes current and mechanical shocks during start-up, which translates to extending the life of both the motor and the connected installation elements. This solution is ideal for both professional installers and end-users looking for reliable protection of their devices.

Construction and application

The PSR9-600-70 soft starter is characterized by a compact design, which facilitates installation even in tight spaces. The built-in bypass contactor allows for reducing energy losses after the start-up is completed, and also simplifies electrical connections. The device is intended for a wide range of applications – from simple industrial applications to advanced automation systems. It can be used in pumps, fans, conveyors and many other devices powered by induction motors.

Key features and benefits

• Wide voltage range: The ability to operate in networks with a voltage of 208 to 600 V ensures compatibility with various electrical installations.
• Adjustable triggering characteristics: Allows you to adjust the start-up parameters to the specifics of the load and application requirements.
• Built-in bypass contactor: Ensures efficient operation of the device after the start-up is completed, minimizing energy losses and extending the life of components.
• Compact dimensions: Facilitate installation in limited space.
• Operation at low temperatures: The device maintains full functionality even at temperatures down to -25°C, making it an ideal solution for outdoor or cold room applications.
• Universal control voltage: The ability to power control with AC 100-240V voltage provides flexibility when integrating with various control systems.
• Overload protection: Although it does not have a built-in motor overload protection, its operation limits inrush currents during start-up, indirectly protecting the motor from overload.

Operating parameters and compliance with standards

The PSR9-600-70 soft starter is designed to operate in an ambient temperature of up to 40°C and has a protection class of IP20, which provides basic protection against contact and ingress of solid objects. The device meets the appropriate safety and quality standards, guaranteeing reliable operation and long life. The rated current of the device is 9A at an ambient temperature of 40°C.