abb softstarter PSTX470-600-70 pstx (600v) range 470 amp

Why Choose the ABB PSTX470-600-70 Softstarter?

The ABB PSTX470-600-70 is a high-performance soft starter designed for demanding industrial motor starting applications requiring advanced protection, energy efficiency and smooth motor control. Part of the premium ABB PSTX softstarter series, this unit delivers reliable starting and stopping performance for medium and large three-phase motors used in heavy industrial systems.

Engineered with intelligent motor control technology, the PSTX470-600-70 reduces mechanical stress, minimises electrical peak currents and extends equipment life. It includes advanced motor protection functions, integrated bypass, adaptive current control and comprehensive diagnostics, making it suitable for pumps, compressors, conveyors and process automation systems.

With a rated operational current of 470 A and support for 208–600 V AC three-phase systems, this ABB softstarter is ideal for high-power industrial motor applications. The integrated graphic display, communication flexibility and robust industrial design simplify commissioning and maintenance in modern automation environments.

Key Advantages

• Advanced soft starting and stopping for industrial motors.
• 470 A operational current for medium and large motor applications.
• 208–600 V AC three-phase operation.
• Integrated bypass contactor improves energy efficiency.
• Built-in motor protection and diagnostics functions.
• Supports communication via Modbus RTU and optional fieldbus modules.
• Reduces mechanical wear and electrical stress during startup.

Key Features

• ABB PSTX advanced softstarter series.
• 470 A rated operational current.
• 208–600 V AC operating voltage range.
• Integrated electronic overload protection.
• Built-in bypass for reduced heat generation.
• Torque control and voltage ramp starting methods.
• Detachable full graphic display with IP66 rating.
• Built-in Modbus RTU communication interface.
• Support for optional Profinet, Profibus, Ethernet/IP and Modbus TCP modules.
• Emergency mode and pump cleaning functionality.

Technical Specifications

• Manufacturer: ABB
• Series: PSTX Softstarters
• Model: PSTX470-600-70
• Product ID: 1SFA898116R7000
• Product type: Softstarter
• Rated operational current: 470 A
• Operational voltage: 208–600 V AC
• Control supply voltage: 100–250 V AC
• Control circuit voltage: 24 V DC
• Frequency: 50 / 60 Hz
• Inline motor power at 400 V: 250 kW
• Inline motor power at 500 V: 315 kW
• Protection rating: IP00
• Mounting type: Panel mounting
• Dimensions (H × W × D): approx. 493 × 361 × 282 mm
• Weight: approx. 25 kg

Advanced Motor Starting and Protection

The ABB PSTX softstarter series is designed to deliver smooth motor acceleration and deceleration while reducing stress on electrical and mechanical systems. By controlling voltage and torque during startup, the PSTX470-600-70 helps minimise inrush current, prevent water hammer in pump systems and improve process reliability.

Its advanced protection and communication functions allow seamless integration into industrial automation systems. Features such as current limit control, motor heating, sequence start and event logging provide operators with enhanced visibility and operational security for critical machinery.

Typical Applications

• Industrial pumps and water treatment systems.
• Compressors and HVAC equipment.
• Conveyors and material handling systems.
• Fans and ventilation systems.
• Mining and heavy industrial processing.
• OEM machinery and automation systems.

Trusted by Industrial Engineers Worldwide

ABB PSTX softstarters are trusted across industrial automation sectors for delivering reliable motor starting, advanced protection and reduced mechanical stress in demanding process applications.