ABB 1SFA898113R7000 PSTX250-600-70 250A 208-600V AC 3P 132kW Soft Starter

The ABB PSTX250-600-70 soft starter (SKU 1SFA898113R7000) is a 250 A, 3-pole electronic reduced voltage starter designed for 208–600 V AC supply systems, delivering controlled motor ramp-up and ramp-down for loads up to 132 kW. Part of ABB's advanced PSTX series, the PSTX250-600-70 provides precise torque and current control to eliminate mechanical stress during starting, protect driven machinery, and reduce peak demand on the supply network.

Technical Specifications

Certifications & Standards

• IEC 60529: Degrees of protection provided by enclosures (IP rating)
• IEC 60947-1: Low-voltage switchgear and controlgear — general rules
• EN 60529: European harmonised standard for enclosure protection (IP)
• CSA: Canadian Standards Association approval for North American markets
• REACH: EU regulation on chemical substance compliance
• RoHS: Restriction of hazardous substances — compliant for EU markets
• WEEE: Waste electrical and electronic equipment directive compliance
• CCC: China Compulsory Certification for the Chinese market
• CE: European conformity marking for free movement within the EEA

Applications & Use Cases

The PSTX250-600-70 is engineered for demanding industrial motor starting applications where controlled acceleration and deceleration are critical. Typical applications include:

• Pumps and fans requiring smooth ramp-up to prevent water hammer and mechanical shock
• Compressors and conveyors where reduced starting current protects supply infrastructure
• Crushers and mills benefiting from adjustable torque control during starting
• HVAC systems requiring progressive motor acceleration to extend equipment service life
• Process lines where bypass contactors or integrated bypass functionality reduce heat dissipation

The PSTX series' wide voltage range (208–600 V AC) makes the PSTX250-600-70 suitable for both 400 V European and 480 V North American industrial networks within a single unit, simplifying global procurement and spare-parts management.

Frequently Asked Questions

Q: What is the maximum motor power the PSTX250-600-70 can handle?
A: The PSTX250-600-70 supports motors up to 132 kW at its rated 250 A current and within the 208–600 V AC supply range.

Q: What control voltage does the PSTX250-600-70 require?
A: The control circuit accepts 110–250 V, accommodating both 110 V and 230 V control supplies without requiring a separate transformer in most installations.

Q: Is the PSTX250-600-70 suitable for use in North America?
A: Yes. The unit carries CSA certification and its supply voltage range covers 208 V, 480 V, and 600 V systems common in Canadian and US facilities.

Q: Does this soft starter comply with RoHS and REACH directives?
A: Yes. The PSTX250-600-70 is both RoHS and REACH compliant, as well as CE marked for the European market and CCC certified for China.