ABB 1SFA898109R7000 PSTX105-600-70 105A 208-600V AC 3P 55kW Soft Starter

The ABB PSTX105-600-70 soft starter (SKU 1SFA898109R7000) is a 105 A, 3-pole electronic soft starter rated for 208–600 V AC supply voltage, designed to provide smooth motor starting and stopping with precise torque and current control. Part of ABB's advanced PSTX series, it supports up to 55 kW motor power, a control voltage range of 110–250 V, and is built to reduce mechanical stress, starting current peaks, and wear on driven equipment in demanding industrial applications.

Technical Specifications

Certifications & Standards

• IEC 60947-1: Compliant with the international standard for low-voltage switchgear and controlgear
• CSA: Certified to Canadian Standards Association requirements for North American markets
• CE: Meets European Union safety, health, and environmental protection requirements
• CCC: China Compulsory Certification for sale and use in the People's Republic of China
• REACH: Compliant with EU REACH regulation on chemical substances
• RoHS: Restriction of Hazardous Substances — free from restricted materials per EU directive
• WEEE: Compliant with the Waste Electrical and Electronic Equipment directive for responsible disposal

Applications & Use Cases

• Pump and fan motor starting where water hammer and mechanical shock must be minimised
• Conveyor and compressor drives requiring controlled ramp-up and ramp-down
• HVAC systems where reduced voltage starting limits inrush current and grid disturbance
• Industrial production lines with frequent start-stop cycles needing reliable motor protection
• Applications spanning a wide voltage range (208–600 V AC) across global installations