ABB 1SFA898118R7000 PSTX720-600-70 720A 208-600V AC 3P 400kW Soft Starter

The ABB PSTX720-600-70 soft starter (SKU: 1SFA898118R7000) is a heavy-duty 720A, 400kW three-phase soft starter designed for controlled motor starting and stopping across a wide supply voltage range of 208–600V AC. Part of ABB's advanced PSTX series, this unit delivers precise torque and current control for demanding industrial motor applications, reducing mechanical stress and extending equipment lifespan. With a control voltage range of 110–250V and a robust build weighing 58.5 kg, the PSTX720-600-70 is engineered for large-scale automation and process environments.

Technical Specifications

Certifications & Standards

• IEC 60529: Degrees of protection provided by enclosures (IP Code)
• IEC 60947-1: Low-voltage switchgear and controlgear — general rules
• EN 60529: European harmonised standard for enclosure protection ratings
• CSA: Canadian Standards Association certification for North American market compliance
• REACH: EU regulation on chemical safety and substance restrictions
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• WEEE: Waste Electrical and Electronic Equipment Directive compliant
• CCC: China Compulsory Certification for the Chinese market
• CE: Conformité Européenne — meets EU safety, health, and environmental requirements

Applications & Use Cases

• Large industrial pump and fan motor starting in water treatment and HVAC systems
• Compressor motor control in oil & gas and petrochemical plants
• Conveyor and materials handling equipment in mining and heavy industry
• High-power centrifugal machinery requiring smooth ramp-up and ramp-down control
• Process automation panels where reduced inrush current is critical for power quality