ABB 1SFA898119R7000 PSTX840-600-70 840A 208-600V AC 3P 450kW Soft Starter

The ABB PSTX840-600-70 soft starter (SKU: 1SFA898119R7000) is a high-performance 840 A, 3-phase soft starter rated for 208–600 V AC supply voltage and up to 450 kW motor power, designed for demanding industrial motor control applications. Part of ABB's advanced PSTX series, the PSTX840-600-70 provides smooth motor starting and stopping, reducing mechanical stress and energy peaks in heavy-duty automation systems. With a control voltage range of 110–250 V and a robust 58.5 kg build, this unit is engineered for reliability in large-scale industrial installations.

Technical Specifications

Certifications & Standards

• IEC 60529: International standard for degrees of protection provided by enclosures (IP rating)
• IEC 60947-1: International standard for low-voltage switchgear and controlgear — general rules
• EN 60529: European harmonised standard for enclosure protection degrees (IP rating)
• CSA: Canadian Standards Association certification for North American market compliance
• REACH: EU regulation on the registration, evaluation, authorisation and restriction of chemicals
• RoHS: Restriction of Hazardous Substances — compliant with EU Directive 2011/65/EU
• WEEE: Waste Electrical and Electronic Equipment Directive compliance
• CCC: China Compulsory Certification for sale and use in the People's Republic of China
• CE: European Conformity marking confirming compliance with applicable EU directives

Applications & Use Cases

• Heavy-duty pump and compressor motor starting in water treatment and oil & gas facilities
• Conveyor and crusher drives in mining and bulk material handling
• Fan and blower applications in HVAC and industrial ventilation systems
• Large industrial motor control panels requiring smooth acceleration and deceleration
• Process industries such as cement, paper, and steel where controlled ramp-up reduces mechanical wear